Journal
DEVELOPMENTAL COGNITIVE NEUROSCIENCE
Volume 25, Issue -, Pages 29-44Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dcn.2016.10.004
Keywords
Abuse; Adolescence; Addiction; Substance dependence; Sensitive periods; Vulnerability
Categories
Funding
- National Institutes of Drug Abuse [DA-10543, DA-026485]
- John A. Kaneb Young Investigator Award
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Early adolescent substance use dramatically increases the risk of lifelong substance use disorder (SUD). An adolescent sensitive period evolved to allow the development of risk-taking traits that aid in survival; today these may manifest as a vulnerability to drugs of abuse. Early substance use interferes with ongoing neurodevelopment to induce neurobiological changes that further augment SUD risk. Although many individuals use drugs recreationally, only a small percentage transition to SUD. Current theories on the etiology of addiction can lend insights into the risk factors that increase vulnerability from early recreational use to addiction. Building on the work of others, we suggest individual risk for SUD emerges from an immature PFC combined with hyper-reactivity of reward salience, habit, and stress systems. Early identification of risk factors is critical to reducing the occurrence of SUD. We suggest preventative interventions for SUD that can be either tailored to individual risk profiles and/or implemented broadly, prior to the sensitive adolescent period, to maximize resilience to developing substance dependence. Recommendations for future research include a focus on the juvenile and adolescent periods as well as on sex differences to better understand early risk and identify the most efficacious preventions for SUD. (c) 2016 The Authors. Published by Elsevier Ltd.
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