Light found in cocaine addiction tunnel

Light found in cocaine addiction tunnel

Lasers that stimulate targeted neurons ease drug compulsion in rats

By Puneet Kollipara, 13:41 PM April 4, 2013

Rats that will go to great lengths to get a cocaine fix might blame a group of sluggish neurons. Controlling the problem may come down to a flick of a light switch: Stimulating those brain cells with lasers reduces the addicted rats’ cocaine use, researchers report in the April 4 Nature.

“It's an outstanding piece of work,” says neuroscientist A.J. Robison of Michigan State University, who wasn’t involved in the study. The findings could help researchers better understand the role of neural...

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