A decrement in probabilistic category learning in cocaine users after controlling for marijuana and alcohol use.

Abstract

Aspects of stimulus-response (S-R) learning, mediated by striatal dopamine signaling, have been found to be altered in cocaine users relative to healthy controls. However, the influence of cocaine users' marijuana and alcohol use has not been accounted for. This study evaluated S-R learning and other neurocognitive functions in cocaine users while… (More)
DOI: 10.1037/a0034506

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