Covariation of spectral and nonlinear EEG measures with alpha biofeedback

Fell J., , Elfadil H., , Klaver P., , Röschke J., , Elger C.E., and Fernández G., (2002) Covariation of spectral and nonlinear EEG measures with alpha biofeedback International Journal of Neuroscience, 112 (9). pp. 1047-1057.

Full text not available from this repository.

Abstract

This study investigated how different spectral and nonlinear EEG measures covaried with alpha power during auditory alpha biofeedback training, performed by 13 healthy subjects. We found a significant positive correlation of alpha power with the largest Lyapunov-exponent, pointing to an increased dynamical instability of the EEG accompanying alpha enhancement. Alpha power amplification, moreover, was significantly correlated with a decrease of spectral entropy within the alpha range. This outcome reflects a sharpening of the alpha peak during biofeedback training. The fact that the sharpening effect clearly preceded the increase of alpha amplitude could be exploited in future biofeedback settings.

Item Type:	Article
Authors :	Name Email ORCID Fell J., Elfadil H., Klaver P., Röschke J., Elger C.E., Fernández G.,
Date :	2002
Identification Number :	10.1080/00207450290026049
Uncontrolled Keywords :	Alpha, Biofeedback, EEG, Nonlinear measures, Spectral measures
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 10:41
Last Modified :	17 May 2017 10:41
URI:	http://epubs.surrey.ac.uk/id/eprint/828786

Actions (login required)

View Item

Downloads