https://www.selleckchem.com/pr....oducts/pf-06463922.h
BACKGROUND The differential utility of neurocognitive impulsivity and externalizing/internalizing traits as putative endophenotypes for dependence on heroin vs. amphetamine is unclear. OBJECTIVE This exploratory study aims to determine (1) whether neurocognitive impulsivity dimensions and externalizing/internalizing traits are correlated between siblings discordant for heroin and amphetamine dependence; and (2) which of these associations are common across substances and which are substance-specific. METHODS Pearson correlations bet
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