This is your (mouse) brain on drugs

August 25, 2013 8:24 PM

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This is your (mouse) brain on drugs

Just a couple of doses of cocaine can change the composition of the part of the brain associated with memory-based decision making, according to a team of researchers at the Ernest Gallo Clinic and Research Center at UC San Francisco.

Almost immediately, mice that were administered cocaine grew far more new dendritic spines, which can form synapses and create new connections, than did mice that just got saline, according to a study published online Sunday in Nature Neuroscience.

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