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Published on: February 6, 2019

Executive functioning and alcohol binge drinking in university students.

María Parada1, Montserrat Corral, Nayara Mota

  • 1Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Spain. maria.parada@usc.es

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Summary

Binge drinking (BD) in university students is linked to impaired executive functions, particularly in males. These cognitive deficits may indicate developmental delays or frontal lobe dysfunction, not enhanced female vulnerability.

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Area of Science:

  • Neuroscience
  • Psychology
  • Addiction Research

Background:

  • Binge drinking (BD) is common in college students.
  • Alcohol's neurotoxic effects impact the prefrontal cortex, crucial during young adulthood.
  • Sex differences exist in brain development and alcohol-related damage.

Purpose of the Study:

  • To investigate the relationship between binge drinking and prefrontal cortex-dependent cognitive functions.
  • To examine potential sex differences in these effects among university students.

Main Methods:

  • 122 undergraduates (62 BD, 60 non-BD) participated.
  • Executive functions assessed using WMS-III, SOPT, Letter Fluency, BADS, and WCST-3.

Main Results:

  • Binge drinkers performed worse on Backward Digit Span and SOPT abstract designs.
  • Binge drinking males showed lower scores on Backward Digit Span compared to binge drinking females and non-binge drinking males.

Conclusions:

  • Binge drinking is associated with diminished executive functions linked to the dorsolateral prefrontal cortex.
  • Findings do not support greater alcohol neurotoxicity in women.
  • Observed difficulties may suggest delayed development or frontal lobe dysfunction.