Long-range temporal correlations in resting EEG: Its associations with depression-related emotion regulation strategies.

In this study we applied detrended fluctuation analysis to the amplitude envelope of broad band and narrow band (theta and alpha) spontaneous EEG oscillations of a sample (N = 56) of young nondepressed adults to whom several emotion regulation and depression questionnaires were administered. Linear positive correlations between the scaling exponents of both broad band and theta band oscillations and negative emotion regulation strategies and depression scores were found. These results suggest that previously found differences between depressed and nondepressed individuals may exist before depression manifests, as differences could be linked to a negative emotion regulation style that in some cases could lead to the development of a depressive disorder. (PsycINFO Database Record (c) 2013 APA, all rights reserved)
Source: Journal of Psychophysiology - Category: Psychiatry & Psychology Authors: Source Type: research