The Neurobiology of Addiction Addiction 101 in Olson

County of Summit ADM Board
19 Sept 201723:14

Summary

TLDRThis lecture delves into the neurobiology of addiction, emphasizing its status as a brain disease rather than a behavioral one. It outlines the disease model of addiction, affecting key brain areas like the frontal cortex and midbrain, leading to compulsive drug-seeking despite negative outcomes. The discussion highlights how drugs hijack the brain's reward system, causing a dysregulation in dopamine levels and resulting in a perpetual cycle of craving and use. The speaker advocates for a comprehensive treatment approach, including therapy, medication, and spiritual growth, to strengthen the frontal cortex and reestablish control over the midbrain's survival instincts.

Takeaways

  • 🧠 Addiction is a brain disease, not a psychological one. It involves actual changes in the brain, particularly in the frontal cortex and midbrain.
  • 🚫 The disease model of addiction fits the medical definition of a disease, with an organ (brain), a defect (neurological changes), and symptoms (loss of control, cravings).
  • 👶 The midbrain, responsible for survival, is hijacked by drugs. It starts to believe it needs high levels of dopamine to survive, leading to addiction.
  • 💊 Drugs of abuse, regardless of type, work in the midbrain and trigger the release of dopamine, which is the same neurotransmitter involved in natural rewards.
  • 🔄 The brain's pleasure system gets dysregulated in addiction, causing a decrease in dopamine receptors and a higher threshold for experiencing pleasure.
  • 🔄 Stress and trauma can lead to similar neurobiological changes as addiction, increasing the risk for addiction and relapse.
  • 💭 Cravings are not just psychological; they are the result of an active midbrain sending physiological signals that the body interprets as needing the drug to survive.
  • 🧘‍♂️ Treatment for addiction involves strengthening the frontal cortex through therapy, 12-step programs, and spirituality to overpower the midbrain's drive for drugs.
  • 💊 Medication-assisted treatment helps to quiet the midbrain's cravings, allowing individuals to engage in therapy and recovery programs more effectively.
  • 👥 Addiction treatment requires a team approach, combining therapy, support groups, and medication when appropriate, to address the complex nature of the disease.

Q & A

  • What is the main reason for discussing the neurobiology of addiction?

    -The main reason for discussing the neurobiology of addiction is to address the misconception that addiction is not treated as a disease despite being referred to as one. The lecture aims to reduce stigma and promote appropriate treatment by explaining the biological basis of addiction.

  • How does the disease model of addiction apply to the brain?

    -The disease model of addiction applies to the brain by identifying the organ affected as the brain itself, with a defect in its neurological functioning leading to addiction. This model is typically used in medicine to define diseases, where there's an organ, a defect in that organ, and symptoms resulting from that defect.

  • What are the two major parts of the brain involved in addiction according to the script?

    -The two major parts of the brain involved in addiction are the frontal cortex and the midbrain. The frontal cortex is associated with personality, values, ethics, morals, willpower, and conscious decision-making, while the midbrain is linked to survival instincts and is not under conscious control.

  • Why does the midbrain play a critical role in addiction?

    -The midbrain plays a critical role in addiction because it is responsible for the brain's reward system and survival instincts. Drugs of abuse work in the midbrain, releasing dopamine and creating a false sense of needing the substance to survive, which leads to addiction.

  • How does the brain's response to drugs of abuse differ from natural rewards like food?

    -The brain's response to drugs of abuse differs from natural rewards like food in the amount of dopamine released. While food releases dopamine to ensure survival, drugs of abuse release massive amounts of dopamine,远超 the brain's normal threshold for pleasure, leading to a dysregulation of the reward system and addiction.

  • What happens in the brain when someone is addicted that causes them to continue using despite negative consequences?

    -When someone is addicted, the midbrain erroneously believes it needs a high level of dopamine to survive, leading to cravings and loss of control. This results in persisting use despite negative consequences as the brain's reward system is dysregulated.

  • How does the script explain the role of dopamine in addiction?

    -The script explains that dopamine is the neurotransmitter responsible for the brain's reward system and pleasure. Drugs of abuse cause a massive release of dopamine,远超 the brain's normal threshold, leading to a downregulation of dopamine receptors and an increased threshold for pleasure, which is a key factor in addiction.

  • What is the significance of glutamate in the context of addiction as described in the script?

    -Glutamate is significant in addiction because it is responsible for memory formation. It acts like an executive assistant to dopamine, helping to create and store memories associated with dopamine release, which can lead to cravings and relapse when exposed to similar environments or cues.

  • How does stress relate to addiction according to the script?

    -Stress is related to addiction as it can lead to a downregulation of dopamine receptors, similar to the process in addiction. Chronic severe stress can increase the threshold for pleasure, making individuals more susceptible to the effects of drugs and potentially leading to addiction.

  • What are the three main factors that cause relapse in addiction as mentioned in the script?

    -The three main factors that cause relapse in addiction are dopamine exposure, stress, and exposure to drug cues. These factors can trigger the midbrain to seek out dopamine, leading to cravings and potentially relapse.

  • How does the script suggest treating addiction effectively?

    -The script suggests treating addiction effectively by using a combination approach that includes therapy, 12-step programs, group therapy, and medication if appropriate. The goal is to strengthen the frontal cortex to overpower the midbrain's cravings and to restore the brain's normal pleasure set point.

Outlines

00:00

🧠 Understanding Addiction as a Brain Disease

The speaker introduces the topic of addiction, emphasizing the need to treat it as a disease. They discuss the discrepancy between how addiction is viewed as a disease and how it is actually treated. The speaker is a board-certified expert in family and addiction medicine, with extensive experience in treating addiction. They explain the disease model of addiction, which is a framework used in medicine to define diseases based on organ defects and resulting symptoms. Using diabetes as an example, the speaker illustrates how addiction fits into this model as a brain disease, affecting the frontal cortex and midbrain. The frontal cortex is associated with personality, values, ethics, morals, and willpower, while the midbrain is linked to survival instincts. The speaker clarifies that addiction is a neurological issue, not a psychological one, and that the brain undergoes actual changes that result in addictive behavior.

05:01

🐭 The Neurological Basis of Addiction

The speaker delves into the neurological aspects of addiction, explaining how drugs of abuse affect the midbrain, which is responsible for survival instincts. They use the example of mice that will self-administer cocaine directly into their brains until death, demonstrating that addiction is not influenced by socioeconomic or cultural factors but is purely neurological. The midbrain's role is to ensure survival, and with repeated drug use, it starts to rely on high levels of dopamine to function, leading to addiction. The speaker explains that all drugs of abuse, regardless of their type, affect the same part of the brain and the same neurotransmitter system, hence there is no such thing as a specific drug addiction, but rather addiction in general. They also discuss how the brain's reward system is hijacked by drugs, leading to a constant search for the high levels of dopamine that drugs provide.

10:02

🧪 Dopamine, Pleasure, and the Brain's Set Point

This section explores the role of dopamine as the brain's pleasure chemical and how it is central to the brain's reward system. The speaker explains that the brain has a set point for pleasure, similar to how the body has a set point for temperature regulation. Drugs and alcohol can release excessive amounts of dopamine, causing the brain to down-regulate dopamine receptors, which in turn raises the threshold for pleasure. This leads to a decreased ability to experience joy from natural rewards, as the brain requires more dopamine to feel the same level of pleasure. The speaker also discusses the impact of chronic stress on dopamine receptors, which can lead to a similar down-regulation and increased pleasure threshold, setting the stage for addiction. They highlight the role of glutamate in memory formation and how it reinforces dopamine's effects, creating associations that can trigger cravings and relapse.

15:04

🚑 The Role of Cravings and the Midbrain in Addiction

The speaker discusses the concept of cravings as a manifestation of the midbrain's activation, which sends physiological signals to the body to seek relief. These signals can include sweating, chills, nausea, and restless legs, among others. The midbrain, in its quest for survival, will tap into the cortex to find reasons to use drugs, even if they are not warranted. This can lead to rationalizations and justifications for drug use, as the brain seeks to alleviate the discomfort caused by cravings. The speaker emphasizes that the outward behaviors associated with addiction, such as lying and manipulation, are symptoms of the underlying neurological changes and not simply a reflection of the person's character. They stress the importance of understanding these processes to effectively treat addiction.

20:04

🛑 Treatment Approaches and the Path to Recovery

The final paragraph outlines various treatment approaches for addiction, focusing on the need for a combination of therapies, 12-step programs, and medication when appropriate. The speaker emphasizes the importance of strengthening the frontal cortex to regain control over the midbrain's cravings and survival instincts. They discuss the role of abstinence in quieting the midbrain and the use of medications to manage cravings and reduce harm. The speaker also highlights the need for coping skills and stress relief, as well as spiritual growth, to empower individuals in their recovery journey. They conclude by stating that no single person can treat addiction alone and that a team approach, including therapy, support groups, and medical intervention, is necessary for success.

Mindmap

Keywords

💡Neurobiology of Addiction

The neurobiology of addiction refers to the study of how addiction affects the brain and the underlying neurological processes that contribute to addictive behaviors. In the video, the speaker emphasizes that addiction is a brain disease, not just a psychological issue, and discusses the changes in the brain that result in addiction, such as alterations in the frontal cortex and midbrain.

💡Disease Model

The disease model is a framework used in medicine to conceptualize conditions as diseases, which typically involves identifying an organ affected by a defect that leads to symptoms. The speaker argues for addiction to be understood within this model, suggesting that the brain is the organ affected, with defects leading to compulsive drug-seeking behavior as the symptoms.

💡Frontal Cortex

The frontal cortex is a part of the brain associated with higher cognitive functions such as personality, decision-making, and willpower. In the context of the video, the speaker explains that addiction can impair the frontal cortex's function, leading to a 'weak Superman' analogy to describe how addicts might struggle with decision-making and impulse control.

💡Midbrain

The midbrain is described as the 'survival brain,' responsible for basic functions like eating, drinking, and procreation. The speaker notes that drugs of abuse hijack the midbrain's reward system, leading to a false belief that the brain needs drugs to survive, which is a core component of addiction.

💡Dopamine

Dopamine is a neurotransmitter associated with the brain's reward system and pleasure. The video explains how drugs of abuse artificially stimulate the release of dopamine, leading to a dysregulation of the brain's pleasure system and contributing to addiction. The speaker uses the example of how babies become addicted to food due to dopamine release to illustrate the mechanism.

💡Relapse

Relapse in the context of addiction refers to the recurrence of drug use after a period of abstinence. The speaker discusses various triggers for relapse, including exposure to drug cues, stress, and dopamine exposure, highlighting the complexity of maintaining sobriety for individuals with addiction.

💡Coping Skills

Coping skills are strategies individuals use to manage stress, negative emotions, or challenging situations. The video emphasizes the importance of developing and strengthening coping skills as part of addiction treatment to help individuals resist cravings and avoid relapse.

💡Spirituality

Spirituality in the video is presented as a key component of recovery, particularly within 12-step programs. It is described as a strength of the frontal cortex that can help overpower the midbrain's drive for drugs, providing a sense of purpose and meaning beyond the addictive cycle.

💡Medication-Assisted Treatment

Medication-assisted treatment (MAT) is a therapeutic approach that uses medications alongside counseling and behavioral therapies to treat substance use disorders. The speaker discusses how MAT can help quiet the midbrain's cravings, allowing individuals to engage in therapy and strengthen their frontal cortex to resist addiction.

💡Harm Reduction

Harm reduction is a public health approach that aims to minimize the negative consequences of drug use, rather than seeking to eliminate drug use entirely. The speaker mentions harm reduction in the context of medication, suggesting that while medications may not 'cure' addiction, they can reduce the harm caused by drug use, such as overdoses.

💡Prevention

Prevention in the context of addiction refers to strategies aimed at stopping the development of addiction before it starts. The speaker concludes the video by emphasizing the importance of prevention, suggesting that focusing on adolescents could be a key strategy in reducing the prevalence of addiction.

Highlights

Addiction is discussed as a disease that is not treated as such, highlighting the need to address the stigma and treat people with addiction appropriately.

The speaker is board certified in family medicine and addiction medicine, with extensive experience in various treatment facilities.

The disease model of addiction is explained, requiring a defect in an organ leading to symptoms, with addiction being a brain disease.

The frontal cortex and midbrain are identified as the key brain areas involved in addiction, with the former being responsible for personality and the latter for survival instincts.

Drugs of abuse are shown to work in the midbrain, not the frontal cortex, contrary to previous beliefs.

The midbrain's role in addiction is to seek out high levels of dopamine, leading to a hijacking of the brain's reward system.

Addiction is described as a stress-induced hedonic dysregulation, causing a decrease in dopamine receptor activity and an increase in the pleasure threshold.

The importance of glutamate in memory formation and its role in reminding the brain of situations surrounding dopamine release is discussed.

Relapse triggers are identified as dopamine exposure, stress, and exposure to drug cues, which can cause a small release of dopamine and trigger cravings.

The midbrain's activation during cravings is described as sending physiological signals to the body to motivate drug-seeking behavior.

The need to strengthen the frontal cortex through therapy, 12-step programs, and medication is emphasized to help overpower the midbrain's drive for drugs.

Medication-assisted treatment is presented as a way to quiet the midbrain and reduce cravings, allowing for better engagement in therapy.

The ultimate goal of addiction treatment is described as a combination approach, including therapy, 12-step groups, and medication when appropriate.

Prevention is highlighted as a key strategy in addressing addiction, with a focus on adolescents to prevent the development of addiction.

The definition of addiction is summarized as a dysregulation in the pleasure system, leading to loss of control and persistent use despite negative consequences.

Transcripts

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so I'm going to talk about the

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neurobiology of addiction or addiction

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101 and the reason that I do this

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lecture specifically is because we talk

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about addiction as a disease but we

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don't treat it as a disease and we

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talked about how addiction affects

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everyone and you know and we're saying

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it's a disease process but nobody really

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treats it like a disease process and

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they say things to me like oh it's not

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as bad as cancer right well known

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disease as a disease and I think that

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people need to understand that if we're

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gonna get rid of the stigma and start

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treating people with addiction

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appropriately so essentially I am the

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board certified in family medicine as

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well as addiction medicine and I work in

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a whole bunch of different treatment

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facilities dealing with addiction all

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day every day these are just some

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objectives and disclosures you can read

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at your own risk so it's the disease

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model of addiction the disease model is

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what we use in medicine so the disease

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model essentially says that there is an

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organ there's a defect defect in that

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organ and there are symptoms because of

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that defect so in order for something to

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qualify as a disease it has to fit this

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model diabetes the organ is the pancreas

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the defect is a decrease in beta islet

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cells the symptoms are high blood sugar

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coma retinopathy etc so but all diseases

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if we're calling them diseases fit this

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model they have to fit this model and

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there is no continuum it's just it's a

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disease or not a disease so the question

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becomes how do we get addiction to fit

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this model so addiction is a brain

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disease

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we're starting at a disadvantage it is

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not a purely psychological disease or

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illness which is what everyone believed

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previously it is a neurological disease

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there's actual change in the brain that

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occurs that results in addiction so

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we're starting at a disadvantage because

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the brain diseases often manifest this

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behavior so you see someone with a brain

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tumor or a lesion in the

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brain they have personality changes they

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behave differently they can become

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impulsive or angry or difficult but we

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excuse it because we know they have some

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kind of tumor here they got hit in the

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head or something but with addiction we

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have a tendency to point at the addict

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and say you're bad and this was your bad

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choice but the disease is occurring in

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the brain so in addiction we deal with

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two major parts of the brain the frontal

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cortex and the midbrain so the frontal

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cortex is the part of our brain that

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makes us us it makes you you it's where

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your superpowers are it's your

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personality your values your your ethics

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your morals your willpower your sense of

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choice it's all conscious that's where

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you think and I use Superman to

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represent it because it's your

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superpower

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a fully functioning frontal cortex like

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everyone in this room right now is like

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a fully functioning Superman an addict

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or someone who is front frontal cortex

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is not working properly is like weak

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Superman I just need to simplify it with

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pictures so the midbrain is the other

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part of the brain we deal with and the

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midbrain is your survival brain and it's

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kept us alive for thousands and

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thousands of years so it's doing a good

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job but it is not conscious you have no

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control over it you can't fix it or

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change it or tell them what to do its

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role in life is to keep you alive

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that's it it doesn't wait consequences

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it doesn't be like oh maybe this thing

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no it says we're in danger we're gonna

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die I have to take action to save the

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life so I use the tiger it's more

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primitive part of the brain so an angry

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tiger no one in this room has right now

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angry tiger is you're in the bear in the

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woods and the Bears chasing you and

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you're scared you're gonna die okay

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angry tiger is an active midbrain so the

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midbrain has three functions eat and

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drink water to get nutrients fight or

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flee from predator and procreate that's

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it those are the only things it does so

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when a baby is born one of the first

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things we do is we feed it and the

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reason that we feed it is because giving

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the baby the nutrients releases dopamine

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in the midbrain that active

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the reward system and the baby

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essentially becomes addicted to food we

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have to get the baby addicted to food

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because if the brain doesn't think it

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needs it to survive the baby won't crave

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food and it will die drugs of abuse work

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in the midbrain and drugs and alcohol

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for all intents and purposes are exactly

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the same thing and I will explain why

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okay but drugs the people abuse work in

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the midbrain for years we thought they

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worked in the frontal cortex because we

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thought addictions of behavioral disease

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but what we found is that if you put

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probes into mice brains into the cortex

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and into the midbrain and you give them

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the option to hit a lever to administer

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cocaine directly into their brain only

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the mice that have the probes in the

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midbrain will actually do it and they

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will do it to the point of death they

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will do it they will not eat they will

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not sleep they won't do anything else

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they will just administer cocaine until

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they die so mice get addicted to drugs

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but mice don't have you know like bad

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families and they don't live in bad

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neighborhoods and they didn't grow up in

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the foster system and they don't have no

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money

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so this is not about you know anything

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socioeconomically this is not about race

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or culture this is simply about

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neurology so what happens with repeated

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use of a substance that's activating the

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midbrain the midbrain starts to believe

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erroneously that it now needs a high

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level dopamine producing substance just

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to survive so it gets hijacked basically

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by drugs and so once it believes it

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needs high level dopamine just to

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survive it will seek out the high level

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dopamine in any form which is why it

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doesn't matter alcohol marijuana cocaine

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and heroin there's no such thing as

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heroin addiction or alcohol addiction

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there's just addiction because if heroin

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is what caused the change in the brain

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alcohol will cause you to go back to

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heroin that's it there's no it doesn't

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matter that in the past you never had a

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problem with alcohol it will lead to

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relapse because it works in the same

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exact place with the same exact chemical

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so the example I always use for people

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who are not addicts is if you're dying

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of thirst in the desert and you're on

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day 5 and your organs are shutting down

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and you are about to die and I hand you

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a bottle of water and I tell you I'm

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gonna take your kids and your job and

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your house and your family if you drink

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the water you would take the water

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everyone in this room would I don't care

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how much you love your kids and your job

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your house you would take the water

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because the part of your brain that

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values your children and your family and

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your career is your cortex during times

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of survival that's shut down your

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midbrain is what has to keep you alive

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and that doesn't care about your kids in

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your job in your house and whatever so

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you'll take the water drink it satiate

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your midbrain and then your cortex comes

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back online and goes oh my god I can't

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believe it just gave up everything for

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water and you try and manipulate me into

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giving back your stuff so we can see on

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a brain scan the difference between an

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addict and someone who's just using

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drugs there are people that just abuse

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drugs they're not necessarily addicted

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in order to be addicted bad things have

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to happen because of your use and you

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have to be unable to stop if you can put

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it down and walk away

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you were never addicted you've just used

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drugs and maybe are a great choice maker

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so if you put both people in a brain

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scanner what you will see is for a true

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addict you show them you put them in a

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PET scan show them their drug of choice

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brain scan will show midbrain lit up

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frontal cortex dark take someone else

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who just uses drugs put them in the

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brain scan or show them the drug that

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they like the most cortex lights up

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their thinking about it I love it I hate

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it whatever but their midbrain is dark

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so you can see this you can actually see

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this in brain scans and here's just some

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examples of it so a non-user has a very

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much more active cortex than an addict

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and you can also see that it doesn't

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matter even a hundred days abstinent

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from a drug there's still less activity

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in the cortex so the damage is is

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long-standing and it takes a while to

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get better

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dopamine receptor activity is decreased

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in the addicts so in the Attic the

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midbrain dopamine receptors are down

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regulated I'll explain why so addiction

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is this broken pleasure sense it's our

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reward system out of whack so here's how

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our brains work in simple terms we

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receive a signal from the environment

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either chemical or electrical it comes

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into neuron a he tells neuron a to

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release neurotransmitter neuron a

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releases the neurotransmitter into the

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synapse and then that neurotransmitter

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binds to neuron C which exerts an effect

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I see a hole in the floor

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I the electrical signal from the light

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comes into my eyeball goes to my retina

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it sends the signal it releases

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acetylcholine or some other

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neurotransmitter and then that tells

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neuron C to move my leg so I step over

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the hole whatever that's really simple

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but that's essentially how our brains

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work so with drugs the drug comes in it

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binds to neuron a it releases dopamine

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into the synapse dopamine binds to

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neuron C and it says oh I'm really happy

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or I'm really for a car I'm joyful or

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whatever the effect of the drug is but

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essentially it's not the drug that

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matters it's the dopamine the dopamine

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that was released into the synapse is

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all that matters and it's the same

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dopamine whether it was from alcohol

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marijuana heroin crack methamphetamine

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doesn't matter so it's not the drug that

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matters its dopamine so the brain has

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ten perceptual systems number ten is the

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pleasure system that goes back to that

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baby we have to become addicted to

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certain things to survive so the reward

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system is part of the pleasure system

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also if you had no pleasure in life you

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would have no desire to continue living

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so things have to give you joy and

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pleasure on a regular basis or we'd be

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depressed and suicidal dopamine is the

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pleasure chemical dopamine is what says

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life is awesome this is great we're

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having a great time I love this dopamine

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is the neurotransmitter

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mitr that we are addicted to or that

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addicts are addicted to our brain has a

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set point for pleasure just like we have

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a set point for temperature for our body

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regulation my body is the 98.5 degrees

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because that's how I'm best most

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optimally functioning I get exposed to a

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bacteria or a virus my setpoint moves up

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to 101 degrees because it knows it's

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gonna kill off the bacteria at that

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level once the bacteria is dead drops

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back down to where it's happy 98.5

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that's a fever that's how our bodies

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work we have a set point in the brain

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for pleasure the setpoint says that

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things that release a certain amount of

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dopamine are going to be viewed as

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pleasurable so I can release dopamine

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doing other things but if it doesn't

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cross that threshold

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I will not enjoy it so we have our

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normal things like winning the lottery

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or like getting married or something

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exciting we release dopamine and we

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think that's great drugs and alcohol

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release massive amounts of dopamine just

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massive amounts more than the brain

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needs or really can tolerate so what

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happens is the brain says we have all

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this dopamine we don't need all these

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receptors for dopamine so it starts

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pulling off receptors they down

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regulates receptors and what happens

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when you down regulate receptors is you

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move the threshold up so as the

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threshold moves up you need more

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dopamine just to feel the same amount of

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joy you used to which means that you

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know going on family vacation winning

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the lottery playing the guitar things

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that used to give you pleasure they're

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still releasing the same amount of

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dopamine but it's not enough to cross

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the threshold so you don't actually

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experience pleasure anymore

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and this is why addicts will tell you

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all the time they used to love to play

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the guitar they used to love to knit so

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do stuff and they don't anymore

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they really biologically don't anymore

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they can't you joy from it stress works

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just like addiction in the brain in that

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with chronic severe stress there is a

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release of corticotropin-releasing

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factor which causes a down regulation of

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dopamine receptors so essentially

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chronic severe stress leads to the same

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exact process as addiction it increases

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the

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thresholds now when we consider that one

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out of every four addicts has a history

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of trauma that's chronic severe stress

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over time we can see that they're primed

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for the first time when they use a drug

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but that's the first time they're

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experiencing any real joy because the

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first time anything's crossing their

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threshold and then continuing use of the

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drug just exacerbates the process and it

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becomes a vicious cycle and eventually

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old pleasures just don't show up anymore

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so addiction is a stress induced hedonic

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dysregulation so it's a stress induced

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pleasure deafness basically they can't

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experience pleasure the other

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neurotransmitter I talk about is

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glutamate and glutamate is responsible

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for memory formation and I always say

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glutamates like the executive assistant

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of dopamine so anytime you do something

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enjoyable and dopamine comes out and

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says yeah this is awesome glutamate

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comes out and says I'll take note of it

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and I'll keep it filed away and so

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glutamate will start reminding you of

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situations surrounding dopamine release

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so you go on vacation in the same place

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every year you enjoy it now when you're

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packing your back sore that trip

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glutamate is going whenever we pack our

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bags like this we wind up in Disneyworld

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and we like that and there's a lot of

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dopamine so you start to get excited

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even before you go right

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so when addicts use drugs or alcohol in

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the same exact place or environment and

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with the same people in the same house

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they drive down the same street to get

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their drugs they go to the same bar

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every day to get their alcohol glutamate

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is taking know that that's where they

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get the most dopamine so even driving

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past their favorite bar can cause a

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small amount of dopamine release and

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trigger them 20 use the three things

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that cause relapse in humans dopamine

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exposure so go into an ER go into the

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doctor getting a prescription for a

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medication that releases a lot of

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dopamine can trigger a relapse any

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exposure heroin addict that goes out and

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drinks alcohol at a family picnic gets a

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lot of dopamine and suddenly can't

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remember why they feel so Restless and

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irritable and discontent and why am I

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even clean and they wind up relapsing

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stress anyone who ever knows an addict

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who is

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relapsed after a period of time clean

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you ask him what happened they say

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something stressful dog died wife left

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lost my job something stressful happened

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and exposure to drug cues people places

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and things so running into an old dealer

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an old friend used to use with running

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into an old relationship where you used

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to use these can cause relapse so the

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midbrain knows it needs high-level

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dopamine to survive how does it motivate

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the person to behave in a way that's

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counterintuitive to what they know how

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does it get a soccer mom to bunt and

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shoot heroin how does it get the prom

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queen to go out and smoke crack

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crazy craving is an active midbrain

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that's really all it is the merge brain

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is active thinks it's dying so it's

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going to send out physiological signals

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to the body so that the body thinks I

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got to do something to make this go away

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so it'll send out physical signals

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sweating chills nausea restless legs

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obsession tunnel vision inability to

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think about anything but the discomfort

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that I'm in that is what craving truly

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is the craving will then tap into the

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cortex and find a reason to use it'll go

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into the library that is the cortex and

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it will find a past reason that is

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enough to make that person want to use

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hey soccer mom remember when you have

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that herniated just three years ago we

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never took care of I think it's really

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bad right now I think your pains awful

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all right

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hey prom queen remember you had social

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anxiety in kindergarten I think we have

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social anxiety again it's really bad

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you're anxious you know you want to

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leave the house and the craving the

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midbrain will actually bring to the

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consciousness these things causing the

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person to now have give themselves

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permission to want to use something I

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can't live in this much pain I can't

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live with this kind of anxiety they

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don't know that's what's happening all

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they know is they suddenly have worse

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pain worse anxiety worse stress than

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they ever did before and that's when

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they start acting the way we see them

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act the loss of control lying

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manipulating well I have to manipulate I

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have to see four different doctors if

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none of them are going to treat

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I paint we don't see all the other stuff

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we don't see the down regulation of the

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dopamine receptors or the craving or the

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the suffering that's going on we see

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this and we think that they're bad

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people so the question becomes how do we

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fix it how do we bring this cortex back

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online well after we get through the

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medical part of detoxing them we have to

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focus on strengthening the cortex so we

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have to change this idea that the drug

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is survival that the drug is the only

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thing that will keep us alive and so we

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have a couple of tasks going on one we

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have to remain abstinent because that's

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what's gonna quiet the midbrain over

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time and two we have to work on coping

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skills and stress relief and we have to

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work on spiritual growth spirituality in

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the frontal cortex is the only part of

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the brain that is capable of becoming

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strong enough to overpower in a midbrain

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so that's why we focus on spirituality

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in the 12-step programs and in in most

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treatment centers because we know that

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that part of the brain has the ability

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to overpower a midbrain not religion I'm

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not talking about religion talking about

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spirituality but coping skills stress

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truth the second you use a drug that

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releases dopamine you instantly forget

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all of your coping skills and stress

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release instantly so we have to reteach

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those behavioral therapy and 12-step

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meetings they work on the frontal cortex

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they are strengthening that frontal

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cortex which is the ultimate goal in

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addiction treatment medications work in

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the midbrain okay we need sometimes to

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quiet the midbrain because they can take

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up to a year for the thresholds for

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pleasure to come back down to normal

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with just abstinence and most people

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can't live a year never experiencing any

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joy or pleasure they just can so unless

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they're in jail they're probably not

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going to make it that year so how do we

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accelerate the process well we work on

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the frontal cortex the harder we work on

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that the quicker the process occurs but

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in the meantime we may need to quiet the

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midbrain

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so the idea of a high-end traditional

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therapy 12-step therapy group therapy

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behavioral therapy is simply to take a

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weak frontal cortex and strengthen it in

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the face of cravings in an active

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midbrain that's the idea so over time

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with abstinence and even with medication

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because the medication that we use keeps

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us consistent level of dopamine in the

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system with overtime that threshold will

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move back down now it's friable meaning

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that the second it's exposed to dopamine

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again it'll move back up okay it's not

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even if it took twenty five years for it

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to get here in the first place it will

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only take one use for it to start moving

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back up again

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the idea behind medication assisted

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treatment is simply to quiet the tiger

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in the face of a weak frontal cortex so

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I always say that back eighty years ago

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when Alcoholics Anonymous was founded

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you had a bunch of 65 year-old gentleman

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who had been through several career

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changes lost their wives their children

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they're desperate and they walk into a

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room and they sit sit down shut up and

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listen and they go alright I'll do

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whatever you say because I've lost

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everything you know I'll do whatever

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today we have 19 year olds who lost

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their job at Taco Bell and mom will let

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them drive the car anymore they don't

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understand desperation how do you get

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them to sit into in a room with a bunch

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of old guys go and sit down shut up and

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listen it's almost impossible unless you

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can quiet their midbrain if you can

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quiet that craving and keep that under

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control they will listen they will do

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what you tell them so the medications we

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use obviously for alcohol and abuse

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Carol now trucks on these help with

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cravings nothing really stops drinking

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antabuse is a negative reinforcement

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they'll throw up if they take this and

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then drink alcohol we know negative

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reinforcement does not work for a long

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term but it may be helpful in the

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beginning stages of recovery and the

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other ones help cravings which may or

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may not reduce drinking for opiates we

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replace them or we block them those are

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our choices we can replace them which

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quiets the midbrain or we can block them

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prevents the midbrain from getting them

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but the problem with opiate with these

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medications obviously is they do nothing

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for cocaine or benzos or marijuana or

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alcohol and so for not actively working

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in the frontal cortex we're not actively

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reminding them that they're addicts the

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drugs useless and that's what I just

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talked about and so basically the idea

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behind medication is harm reduction we

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have to reduce the amount of harm

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they're doing decrease the amount of

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overdoses by giving them this medication

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saying this is not the treatment this is

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simply helping you get to the treatment

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so the definition of addiction is

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essentially a dysregulation in the

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pleasure system a broken reward system

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and it results in loss of control which

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is that foolish behavior we see the

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craving and the persisting use despite

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negative consequences something bad

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happens you keep using it's a problem

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and that is how we get it to fit into

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the disease model so the organ is the

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midbrain the defect is this

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dysregulation of the pleasure system and

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the symptoms are loss of control

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cravings and persisting use despite

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negative consequences and the ultimate

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toolbox is really a combination approach

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we look at therapy we look at 12-step

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groups we look at medication if it's

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appropriate and we and we work together

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as a team

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nobody can treat addiction on their own

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nobody not one single person can't do it

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you need a team and the only way we're

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ever gonna really fix this is to prevent

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it so we really need to start at the

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level of the adolescents we're now we're

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going to treat it to extinction I don't

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know how we do that I don't have an

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answer for that but that's how what we

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have to focus on that's that

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yeah a lot of information

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Связанные теги
NeurobiologyAddictionDisease ModelBrain FunctionTreatmentRecoveryMental HealthDopamineRelapseSpirituality
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