Abstract

Adolescent risk-taking has been attributed to earlier-developing motivational neurocircuitry that is poorly controlled by immature executive-control neurocircuitry. Functional magnetic resonance imaging (fMRI) findings of increased ventral striatum (VS) recruitment by rewards in adolescents compared to adults support this theory. Other studies found blunted VS recruitment by reward-predictive cues in adolescents compared to adults. Task features may explain this discrepancy, but have never been systematically explored within-subject in age-group comparison.

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