An excellent animation on the mechanisms of drug addiction

The Genetic Science Learning Center at University of Utah developed an excellent animation depicting the mechanisms of addiction of most drugs of abuse. They use a cartoon-like approach to show molecular changes in mouse brains.
drug_addiction_mechanisms

Watch animation

They approach the following topics related to the neurobiology of drug addiction.

  • Methamphetamine actions on dopamine vesicles.
  • LSD action on serotonin receptors.
  • Heroin effects on opioid receptors .
  • How marijuana interacts with the cannabinoid system and its receptors.
  • Activation of the GABA-A ionotropic receptor by alcohol.
  • Cocaine action on dopamine reuptake.

This blog has a related post that explains nicotine addiction mechanism through a 3-D video animation.

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