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Evolution of the binge drinking pattern in college students: neurophysiological correlates
Eduardo López-Caneda1, Socorro Rodríguez Holguín1, Montserrat Corral1
1Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, 15782 Galicia, Spain.
Alcohol (Fayetteville, N.Y.)
|May 20, 2014
Summary
Adolescent binge drinking impairs brain inhibitory control, as shown by altered brain activity during a Go/NoGo task. Cessation of binge drinking may help reverse these neurophysiological impairments in young adults.
Area of Science:
- Neuroscience
- Developmental Psychology
- Addiction Research
Background:
- Adolescence is a key period for brain development, particularly for cognitive functions like inhibitory control.
- Binge drinking during adolescence negatively impacts brain maturation and cognitive function.
- The effects of discontinuing binge drinking on adolescent brain function are not well understood.
Purpose of the Study:
- To investigate brain activity during response inhibition in young binge drinkers.
- To examine the relationship between drinking patterns and neural function over time.
- To explore the impact of binge drinking cessation on cognitive control.
Main Methods:
- Used a Go/NoGo task to record event-related potentials (ERPs) in undergraduate students.
- Recorded ERPs twice over a 2-year period in control, binge drinker, and ex-binge drinker groups.
- Analyzed NoGo-P3 amplitude in relation to drinking habits and changes over time.
Main Results:
- Frontal NoGo-P3 amplitude correlated with earlier drinking onset and higher alcohol consumption.
- Regression analysis indicated speed of alcohol intake and age of onset predicted NoGo-P3 amplitude.
- Binge drinkers showed larger NoGo-P3 amplitudes than controls; ex-binge drinkers were intermediate.
Conclusions:
- Young binge drinking can impair neural mechanisms of inhibitory control.
- Discontinuing binge drinking may mitigate neurophysiological deficits in response inhibition.
- Findings highlight the potential for recovery of cognitive function after cessation.
Keywords:
AdolescenceAlcoholBinge drinkingEvent-related potentialsInhibitory controlResponse inhibitionMore Related Videos
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