Cited by 46Neural and Behavioral Psychology StudiesSubstance Abuse Treatment and OutcomesPrenatal Substance Exposure Effects

Attention, impulsivity, and cognitive flexibility in adult male rats exposed to ethanol binge during adolescence as measured in the five-choice serial reaction time task: the effects of task and ethanol challenges

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Semenova, Svetlana·2012·Psychopharmacology

Abstract

Rationale Alcohol abuse is prevalent in adolescent humans, but the long-term behavioral consequences of binge alcohol drinking are unknown. Objectives This study investigated the long-term effects of adolescent intermittent ethanol (AIE) exposure on attention and impulsivity. Methods Adolescent male rats were exposed to 5 g/kg of 25% (v/w) ethanol every 8 h for 4 days. During adulthood, rats were tested in the five-choice serial reaction time task (5-CSRTT) assessing attention, impulsivity and cognitive flexibility. Results There was no metabolic tolerance to ethanol in adolescent rats during AIE exposure. In the 5-CSRTT under baseline conditions, there were no differences between AIE-exposed and control rats in accuracy, omissions, or premature responses, although AIE-exposed rats tended to make more timeout responses than control rats. The short-duration stimulus challenge decreased accuracy and increased omissions and timeout responses in both AIE-exposed and control rats. The long intertrial interval challenge increased premature responses in all rats. An ethanol challenge decreased correct responses, and increased omissions in control, but not in AIE-exposed, rats. Control, but not AIE-exposed, rats exhibited decreased premature and timeout responses after ethanol administration. Response latencies were not affected in AIE-exposed or control rats indicating no sedative effects of ethanol challenge. Conclusions The results indicate that ethanol binge exposure during adolescence has long-lasting neurobehavioral consequences, which persist into adulthood and can be revealed after re-exposure to ethanol. AIE-induced diminished responses to the disruptive effects of ethanol on attention, impulsivity and cognitive flexibility may lead to increased alcohol drinking and other maladaptive behaviors in adulthood.

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Authors
Semenova, S.
Affiliations
University of California San Diego (US)
Corresponding author
Semenova, Svetlana
Venue
Psychopharmacology
Published
2011-09-01
Volume
219
Issue
2
Pages
433-442
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W1977773866
Cited by
46
References
69
Citations by year
2025: 2 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 1 · 2020: 5 · 2019: 6 · 2018: 4 · 2017: 3 · 2016: 4 · 2015: 1 · 2014: 6 · 2013: 4 · 2012: 1
FWCI
1.79
Type
journal article
Language
en
Open access
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Alcohol Abuse and Alcoholism (U01AA019970)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
Keywords
adolescent intermittent ethanol exposure, binge drinking, attention, impulsivity, cognitive flexibility, 5-choice serial reaction time task, ethanol challenge, ethanol tolerance, adult male rats, premature responses, response latency
MeSH terms
Ethanol, Animals, Attention, Choice Behavior, Cognition, Drug Administration Schedule, Impulsive Behavior, Male, Reaction Time, Serial Learning, Time Factors, Rats, Wistar, Rats

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