Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 45, Issue -, Pages 1-8Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2014.04.012
Keywords
Adolescent; Ethanol; Persisting effects; Cognitive; Behavior; Electrophysiological; Neural
Categories
Funding
- NADIA Projects [U01 AA019925, U01 AA019972]
- VA Senior Research Career Scientist award
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Alcohol use is typically initiated during adolescence, which, along with young adulthood, is a vulnerable period for the onset of high-risk drinking and alcohol abuse. Given across-species commonalities in certain fundamental neurobehavioral characteristics of adolescence, studies in laboratory animals such as the rat have proved useful to assess persisting consequences of repeated alcohol exposure. Despite limited research to date, reports of long-lasting effects of adolescent ethanol exposure are emerging, along with certain common themes. One repeated finding is that adolescent exposure to ethanol sometimes results in the persistence of adolescent-typical phenotypes into adulthood. Instances of adolescent-like persistence have been seen in terms of baseline behavioral, cognitive, electrophysiological and neuroanatomical characteristics, along with the retention of adolescent-typical sensitivities to acute ethanol challenge. These effects are generally not observed after comparable ethanol exposure in adulthood. Persistence of adolescent-typical phenotypes is not always evident, and may be related to regionally specific ethanol influences on the interplay between CNS excitation and inhibition critical for the timing of neuroplasticity. (C) 2014 Elsevier Ltd. All rights reserved.
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