Showing posts with label dopamine. Show all posts
Showing posts with label dopamine. Show all posts
Friday, January 23, 2015

The Losing Battle For Perpetual Reward

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Or why you can't stay high forever. The amphetamine high, like the cocaine high, is a marvel of biochemical efficiency. Stimulants ...
3 comments:
Monday, July 21, 2014

Hunting For the Marijuana-Dopamine Connection

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Why do heavy pot smokers show a blunted reaction to stimulants? Most drugs of abuse increase dopamine transmission in the brain, and ...
8 comments:
Thursday, December 27, 2012

The Year in Drugs

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Top Posts at Addiction Inbox. By the look of it, readers had marijuana on their minds in 2012. Of the posts at Addiction Inbox with the h...
1 comment:
Tuesday, January 31, 2012

Reward and Punish: Say Hello to Dopamine’s Leetle Friend

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  Dopamine recruits a helper to track drug rewards. Ah, dopamine. Whenever it seems like researchers have finally gotten a bead on how th...
1 comment:
Monday, January 2, 2012

A Few Words About Glutamate

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Meet another major player in the biology of addiction. The workhorse neurotransmitter glutamate, made from glutamine, the brain’s most ab...
Monday, December 12, 2011

A Six-Pack of Prior Posts

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Don’t fear the chemistry.  This isn’t a top 10 list, just a compilation of five previous posts here at Addiction Inbox that have continue...
Tuesday, September 6, 2011

On Chemical Imbalances in the Brain

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Maybe it’s not such a bad theory after all. The brain, as always, bats last. It compensates, reregulates, and adjusts. One of the major w...
9 comments:
Friday, June 4, 2010

Gambling and Parkinson’s Disease

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An addendum to the previous post. Today, a group of Australians taking medications for Parkinson's Disease have filed a class action ...
Wednesday, June 2, 2010

Triple Play for Addicts

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Why cigarettes, alcohol and gambling are such a perfect fit. The newer views of addiction as an organic brain disorder cast strong doubt ...
6 comments:
Tuesday, April 6, 2010

Impulsivity and Addiction

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The perils of a hypersensitive dopamine system. The brooding, antisocial loner, the one with impulse control problems, a penchant for ris...
1 comment:
Wednesday, February 10, 2010

The Nucleus Accumbens

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Final destination for addictive drugs. The release of dopamine and serotonin in the nucleus accumbens lies at the root of active drug addi...
3 comments:
Wednesday, January 13, 2010

The Addiction Inbox Top Ten

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A rundown of the most popular posts . What are readers of Addiction Inbox interested in? Although scarcely scientific, a look at the most...
Tuesday, July 7, 2009

What’s a Neurotransmitter, Anyway?

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A brief guide for the perplexed. A neurotransmitter is a chemical substance that carries impulses from one nerve cell to another. Neurotrans...
Monday, June 8, 2009

A Drug for Kleptomania?

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Naltrexone curbs shoplifting . It seems like such an unlikely finding: In a University of Minnesota study of kleptomania—the compulsion to s...
Friday, May 1, 2009

Guest Post: Things Go Better with Meth

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The Pepsi Challenge with controlled substances. [Today’s post comes to us from Neurological Correlates , a blog devoted to the neuroscience...
1 comment:
Wednesday, March 18, 2009

Modafinil May Be Addictive

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NIDA study casts doubt on safety of “brain booster” drug. Despite the headlines, most new drugs are not addictive. Very few medications show...
3 comments: