Saturday, February 19, 2011

[I293.Ebook] Free Ebook The Addictive Brain, by The Great Courses

Free Ebook The Addictive Brain, by The Great Courses

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The Addictive Brain, by  The Great Courses

The Addictive Brain, by The Great Courses



The Addictive Brain, by  The Great Courses

Free Ebook The Addictive Brain, by The Great Courses

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The Addictive Brain, by  The Great Courses

Addiction is a problem that affects everyone - even if we haven't experienced addiction ourselves, we all know someone who has. Unfortunately many sources of information about addiction seem inaccessible or irrelevant because they present vague or false science, they present accurate science in an excessively complicated way, or they are more moralistic than informative.

Addiction is sometimes viewed as a failure of character or will or morality. But neuroscience offers a very different picture - one that can inform how we, as individuals and as a society, treat addicts and the problems caused by addiction. These 12 eye-opening lectures will show you that addiction is a scientifically understandable problem that has its origins in neurobiology and genetics.

The Addictive Brain is a fair and balanced investigation of addiction, backed by hard science and behavioral science. Most of us have probably seen the old antidrug commercial in which an actor compares your brain on drugs to an egg sizzling in a hot frying pan. That's a powerful image, but it doesn't tell us what actually happens when drugs enter your body and interact with neurochemical processes.

Professor Polk gives you a comprehensive but concise survey of addiction and the major drugs of abuse, highlighting the differing neurological effects of stimulants, opioids, and more. He also delves into the world of behavioral addictions, such as gambling and compulsive video gaming, which, neurologically, operate very similarly to drug addiction. This course will clearly and compassionately inform you on what addiction means scientifically, socially, and behaviorally.

  • Sales Rank: #5583 in Audible
  • Published on: 2015-03-06
  • Format: Original recording
  • Original language: English
  • Running time: 383 minutes

Most helpful customer reviews

10 of 10 people found the following review helpful.
Excellent audio and very instructive!
By Erik Johnson
I listened to the audio version on Audible so I missed the visuals. But Dr. Polk's descriptions were super helpful in understanding the roles of different parts of the brain. I'm new to the subject of neurology. According to Wiki the brain has hundreds of components but this audio book gave me an introductory grasp of the nucleus accumbens, VTA, and prefrontal cortex (not to mention dopamine and cortisol). Polk speaks clearly, intelligently, not too fast, and with empathy for the vexing problem of addiction. Highly recommended for learning. One struggling with addiction needs, as Polk suggests, treatment, groups, therapy, etc. No magic cures here but an informed brain is a good thing to have.

5 of 5 people found the following review helpful.
Presented professionally and in a manner easy to understand for everyone
By Kimberly A. Hunt
As a mental health & chemical dependency counselor, this audiobook is interesting and a helpful tool in explaining the different components involved in recovery and addiction. Presented professionally and in a manner easy to understand for everyone.

5 of 6 people found the following review helpful.
Good stuff
By Piaw Na
The Addictive Brain is an audio course about how addiction works, how it affects the brain chemistry (and why addiction occurs) and (to a lesser extent) how addicts can break their dependency. I picked it up as a "daily deal" for $2, and it was a good deal.

The lecturer, Professor Polk, speaks at a slow pace, so I sped up the course by accelerating his speech to 1.25 times normal. I can tell you there were several professors at the Cal I wish I could have done that to! Nevertheless, the material is great. He goes into the neurochemistry of the brain in order to give you an idea of how the brain works, and then walks you through each drug to analyze which receptors the drug binds to in the brain, and how and why it has the effect it does, as well as how and why it has the effect it does. As he does so, he frequently provides a history of the drug as used in human society, as well as the process by which it became isolated, refined, used, and then (almost invariably) abused.

The drugs covered are:

Alcohol
Caffeine
Nicotine
Cocaine
Amphetamine (and meta-Amphetamine)
Marijuana
Morphine (& Opiates)
Gambling, Porn, and Video Games
Of course, the last 3 aren't drugs, but of course, can also be abused and result in addiction. I'm surprised TV watching and internet addiction isn't on the list, as I'm sure you and I can think of people who exhibit withdrawal symptoms when either of those aren't available.

Fundamentally, addiction is an unintended consequence of our brain's ability to learn. You can call it a bug o a security hole if you like. Addictive substances (and behaviors) create a feedback loop which makes use of the dopamine feedback loop to trigger "this was better than expected!" learning. This leads to an unconstrained craving simultaneous with a reduction of the inhibition circuits in the brain. Each drug potentially triggers this in a different way, but your vulnerability to addiction is also highly genetic.

Each section also discusses ways for the addict to break his or her addiction. It's by no means easy and the success rate is dismaying low (none of the drugs appear to have a surefire way to achieve better than 40% quit rates!), but Professor Polk speaks with compassion about how the process works.

All in all, I learned quite a bit in this audio course, and can recommend it.

See all 4 customer reviews...

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