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Related Experiment Video

Updated: May 8, 2026

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

fMRI response during figural memory task performance in college drinkers.

Alecia D Dager1, Sharna Jamadar, Michael C Stevens

  • 1Department of Psychiatry, Yale University, New Haven, CT, USA, alecia.dager@yale.edu.

Psychopharmacology
|August 17, 2013
PubMed
Summary
This summary is machine-generated.

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Heavy drinking in young adults impacts brain activity during memory tasks. Despite similar memory performance, heavy drinkers showed altered neural responses, suggesting different memory strategies.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Addiction Research

Background:

  • Young adults (18-25) exhibit high rates of alcohol use disorders (AUD) and heavy drinking.
  • Heavy alcohol consumption poses risks to neurocognitive functions, particularly memory systems.
  • Adolescence and young adulthood represent a critical period for brain development and vulnerability to alcohol's effects.

Purpose of the Study:

  • To investigate the neural correlates of visual memory encoding and recognition in heavy-drinking college students using fMRI.
  • To compare brain activation patterns between heavy drinkers and light drinkers during memory tasks.
  • To explore potential differences in memory performance and neural responses associated with heavy alcohol consumption.

Main Methods:

  • Utilized blood oxygen level-dependent (BOLD) functional magnetic resonance imaging (fMRI).

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Last Updated: May 8, 2026

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  • Recruited 23 heavy drinkers and 33 demographically matched light drinkers (aged 18-20).
  • Administered a figural encoding and recognition task, analyzing BOLD response related to subsequent memory performance.

    • Main Results:

    • No significant group differences in behavioral memory performance were observed.
    • Heavy drinkers exhibited greater hippocampal and prefrontal activation during correct memory encoding.
    • Heavy drinkers showed altered activation in frontal and parietal regions during incorrect encoding and reduced insula response during recognition.

    Conclusions:

    • Heavy drinkers demonstrated compensatory hyperactivation in memory-related brain regions during successful encoding.
    • Altered default mode network deactivation during failed encoding suggests different cognitive strategies in heavy drinkers.
    • Findings indicate distinct neural processing of memory in young adults with heavy alcohol consumption, despite intact behavioral performance.