During young adulthood, drinking dramatically increases, with binge-level drinking peaking at age 22 and nearly half of individuals reporting binge-level alcohol use2. Frequent binge alcohol use during the protracted neuromaturation spanning into the mid-20s may result in greater brain and cognitive effects than similar alcohol use in later adulthood. In response to RFA-AA-17-003, this application proposes a Research Project Site of the National Consortium on Alcohol and Neurodevelopment in Adolescence second phase (NCANDA-2) to determine the predictors and effects of heavy adolescent alcohol use in adolescence and young adulthood. To achieve this, the OHSU site of NCANDA-2 will continue to follow a cohort of 150 Portland-area (n=831 across all 5 sites) participants (ages 12-21 at baseline first visit) to acquire the necessary data to advance our understanding of adolescent development and the effects of alcohol use during adolescence on the adult brain. NCANDA-2 will use multimodal neuroimaging, cognitive testing, behavioral assessment, biospecimen collection, and ecological momentary assessment. The examination of alcohol consequences will focus on structural and functional maturation of brain areas that actively develop during adolescence, are involved in psychological regulation, respond to rewards, and appear vulnerable to neurotoxic effects of alcohol. In addition, the OHSU site will collaborate with the Duke and USCD sites to study recovery of these abnormalities. Specifically, we will examine the degree to which targeted heavy drinking related neurocognitive and brain integrity deficits remit over 4 weeks of monitored abstinence. Sex differences in development, alcohol use patterns, impact of alcohol use on the brain, and sex-differentiating psychosocial factors (e.g., depression symptoms) will be considered in analyses. With the additional longitudinal data provided by this renewal, we will determine the effects of alcohol exposure on the developmental trajectory of the adolescent human brain, and identify preexisting psychobiological vulnerabilities that may put an adolescent or young adult at elevated risk for an alcohol use disorder.

Public Health Relevance

The additional longitudinal data provided by this renewal, NCANDA-2, will determine the extent to which structural and functional deficits in neuromaturation precede, are caused by, or are exacerbated by variations in adolescent alcohol use.

Agency
National Institute of Health (NIH)
Institute
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Type
Research Project--Cooperative Agreements (U01)
Project #
5U01AA021691-08
Application #
9732294
Study Section
Special Emphasis Panel (ZAA1)
Program Officer
Matochik, John A
Project Start
2012-09-15
Project End
2022-06-30
Budget Start
2019-07-01
Budget End
2020-06-30
Support Year
8
Fiscal Year
2019
Total Cost
Indirect Cost
Name
Oregon Health and Science University
Department
Other Basic Sciences
Type
Schools of Medicine
DUNS #
096997515
City
Portland
State
OR
Country
United States
Zip Code
97239
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