Abstract:We examined the differences in neurocognitive functions in individuals dependent on heroin ( n = 120), pharmaceutical ( n = 52), and natural opioids ( n = 66) and compared with healthy controls (HC, n = 94). We estimated independent effects of the opioid groups on cognitive tests, adjusted for effect modifiers. Pharmaceutical opioid dependent group performed worse than HC in Wisconsin Card Sorting Test in conceptual level response and trials to complete first category. Pharmaceutical and heroin groups had high… Show more
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