Agrawal Lab

Washington University

PSYCHOLOGY

Saint Louis · United States

NIH-funded
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NIH R01 · 2025

Neurobehavioral pathways of polygenic and polyenvironmental effects on the onset and maintenance of substance involvement

PROJECT SUMMARY/ABSTRACT Problematic substance use is associated with significant personal and socioeconomic costs (accounting for approximately 5% of global disease burden and worldwide deaths). Substance use initiation, progression to heavy use, and early onset substance use disorders (SUDs) commonly emerge during adolescence and young adulthood. This developmental period of risk is theorized to result from typical patterns of regionally asynchronous brain maturation (i.e., rapid and early development of limbic regions alongside relatively immature prefrontal and multimodal association cortices) resulting in a diminished ability to suppress inappropriate emotions, desires, and actions…

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