Dopamine Triggers Drug-Abuse Memories | September 14, 2009 Issue - Vol. 87 Issue 37 | Chemical & Engineering News
 
 
0
Facebook
Volume 87 Issue 37 | p. 28 | Concentrates
Issue Date: September 14, 2009

Dopamine Triggers Drug-Abuse Memories

In a newly discovered role, neurotransmitter signaling in the brain sparks memories that reinforce the allure of addictive drugs
Department: Science & Technology
Keywords: addiction, dopamine, nicotine

Experiments with mice are providing new details about how dopamine signaling in the brain sparks memories that reinforce the allure of addictive drugs (Neuron 2009, 63, 673). John A. Dani and Jianrong Tang of Baylor College of Medicine injected mice with nicotine, the addictive component of tobacco. The researchers showed that multiple doses of nicotine increase long-term potentiation at synapses in the hippocampus, a process that underlies memory formation and learning. They further . . .

You Do Not Have Access to C&EN Protected Content.



 
Chemical & Engineering News
ISSN 0009-2347
Copyright © American Chemical Society