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Alcohol use disorders and neuropsychological functioning in first-year undergraduates
K J Sher1, E D Martin, P K Wood
1Department of Psychology, University of Missouri-Columbia 65211, USA. psycsher@showme.missouri.edu
Experimental and Clinical Psychopharmacology
|August 1, 1997
Summary
Alcohol use disorders are linked to poorer visuospatial ability and motor speed in college students. These cognitive deficits persist even when accounting for other factors, suggesting a direct impact of alcohol use disorders.
Area of Science:
- Neuroscience
- Psychology
- Addiction Research
Background:
- Alcohol use disorders (AUDs) are prevalent among college students.
- Understanding the cognitive impact of AUDs is crucial for early intervention.
- Previous research suggests links between heavy alcohol consumption and cognitive impairments.
Purpose of the Study:
- To investigate the relationship between alcohol use disorders and neuropsychological functioning in first-year undergraduates.
- To identify specific cognitive domains affected by AUDs.
- To examine if these deficits are independent of other potential factors.
Main Methods:
- A cohort of 489 first-year undergraduates was assessed.
- Neuropsychological functioning was evaluated using 17 tests, analyzed via factor analysis into 5 domains: Language/Verbal Memory, Visuospatial Ability, Motor Speed, Booklet Category Performance, and Attention.
- Statistical analyses controlled for potential confounding variables.
Main Results:
- Participants with AUDs exhibited deficits in visuospatial ability.
- Individuals with alcohol dependence showed impairments in both visuospatial ability and motor speed compared to alcohol abusers.
- These cognitive differences remained significant after controlling for confounding variables.
Conclusions:
- Alcohol use disorders in college students are associated with measurable deficits in visuospatial ability and motor speed.
- The observed neuropsychological impairments are not explained by several potential third-variable factors.
- Findings highlight the cognitive consequences of AUDs in a young adult population.