Exploratory Analysis of Power Spectrum and Functional Connectivity During Resting State in Young Binge Drinkers: A MEG Study

International Journal of Neural Systems
A CorreasFernando Maestú

Abstract

Binge Drinking (BD) is a pattern of intermittent intensive alcohol intake which has spread among young adults over the last decades. Adolescence constitutes a critical neuromaturation period in which the brain is particularly sensitive to the effects of alcohol. However, little is known about how BD affects the brain activity. This study aimed to characterize the brain's functional organization in BD and non-BD young population by means of analyzing functional connectivity (FC) and relative power spectra (PS) profiles measured with magnetoencephalography (MEG) during eyes-closed resting state. Our sample composed 73 first-year university students (35 BDs and 38 controls). Results showed that the BD subjects displayed a decreased alpha FC in frontal-parietal regions, and conversely, an enhanced FC in the delta, theta and beta bands in fronto-temporal networks. Besides the FC differences, the BD group showed a decreased PS within alpha range and an increased PS within theta range in the brain's occipital region. These differences in FC and PS measurements provide new evidence of the neurophysiological alterations related to the alcohol neurotoxicity and could represent an initial sign of an anomalous neural activity caused by a B...Continue Reading

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Citations

Jul 25, 2019·Journal of Psychopharmacology·Brandon J LewTony W Wilson
Sep 30, 2017·International Journal of Neural Systems·David López-SanzFernando Maestú
Mar 3, 2020·International Journal of Neural Systems·Yongjie ZhuFengyu Cong
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Sep 30, 2017·Frontiers in Behavioral Neuroscience·Eduardo López-CanedaSocorro Rodríguez Holguín
Feb 9, 2017·Journal of Psychopharmacology·Eduardo López-CanedaFernando Cadaveira

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