University of Texas at Austin

Posts Tagged ‘dopamines’


Wednesday, April 13, 2011

Your brain, on drugs, learns too much

Hitoshi Morikawa want to find ways to interfere with the brain's capability to "overlearn" drug-associated behavior.One of the most famous science experiments is the one involving Pavlov and his dog in which Ivan Pavlov conditioned the dog to salivate at the sound of a bell.

Addictive drugs affect the brain in a similar but more powerful way, says Hitoshi Morikawa, a neurobiologist in the Waggoner Center for Alcohol and Addiction Research.

“We think addiction is a form of pathological overlearning in which the brain remembers too much the association between certain environmental stimuli and drug-seeking or drug-taking
Read More …