High-intensity binge drinking is associated with alterations in spontaneous neural oscillations in young adults

Alcohol
Rifqi O AffanK Marinkovic

Abstract

Heavy episodic alcohol consumption (also termed binge drinking) contributes to a wide range of health and cognitive deficits, but the associated brain-based indices are poorly understood. The current study used electroencephalography (EEG) to examine spontaneous neural oscillations in young adults as a function of quantity, frequency, and the pattern of their alcohol consumption. Sixty-one young adults (23.4 ± 3.4 years of age) were assigned to binge drinking (BD) and light drinking (LD) groups that were equated on gender, race/ethnic identity, age, educational background, and family history of alcoholism. EEG activity was recorded during eyes-open and eyes-closed resting conditions. Each participant's alpha peak frequency (APF) was used to calculate absolute power in individualized theta and alpha frequency bands, with a canonical frequency range used for beta. APF was slower by 0.7 Hz in BD, especially in individuals engaging in high-intensity drinking, but there were no changes in alpha power. BD also exhibited higher frontal theta and beta power than LD. Alpha slowing and increased theta power in BD remained after accounting for depression, anxiety, and personality characteristics, while elevated beta power covaried with se...Continue Reading

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Citations

Jul 25, 2019·Journal of Psychopharmacology·Brandon J LewTony W Wilson
Sep 5, 2020·Addiction Biology·Angeles CorreasKsenija Marinkovic
Nov 30, 2019·The Clinical Neuropsychologist·Briana D CassettaIvan J Torres

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