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Neuropsychological functioning in college students who misuse prescription stimulants. | LitMetric
Background And Objectives : Relatively little is known about the neuropsychological profiles of college students who misuse prescription stimulant medications.Methods : Data presented are from college students aged 18-28 years who misused prescription stimulants prescribed for attention-deficit/hyperactivity disorder and controls (no prescription stimulant misuse). Students were assessed neuropsychologically using the self-report Behavioral Rating Inventory of Executive Functioning (BRIEF-A), the Cambridge Automated Neuropsychological Test and Battery (CANTAB), and other tests of cognitive functioning. The analyses included 198 controls (age 20.7 ± 2.6 years) and 100 prescription stimulant misusers (age 20.7 ± 1.7 years).Results : On the BRIEF-A, misusers were more likely than controls to endorse greater dysfunction on 8 of 12 measures including Inhibition, Self Monitor, Initiation, Working Memory, and Plan/Organize, when adjusting for race and sex (all p's < .05). Similarly, when dichotomizing the BRIEF-A as abnormal (T score ≥ 65), misusers had more abnormalities on five of nine subscales, as well as all major indices (p's < .05). Misusers also performed worse on several subtests of the CANTAB and standardized cognitive battery (p's < .05). A proxy of prescription stimulant misuse frequency was positively correlated with greater executive dysfunction on the BRIEF-A.Discussion And Conclusions : These data demonstrate elevated risk for neuropsychological dysfunction among students who misuse prescription stimulants compared to non-misusing peers. The presence of ADHD contributed significantly to these cognitive findings. Students who misuse prescription stimulants should be screened for neuropsychological dysfunction.Scientific Significance : These data may better elucidate the neuropsychological profile of college-aged prescription stimulant misusers. (Am J Addict 2017;26:379-387).
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