Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

The Effect of Double Biofeedback on Functional Hemispheric Asymmetry and Activity: A Pilot Study

Version 1 : Received: 30 March 2021 / Approved: 1 April 2021 / Online: 1 April 2021 (10:52:07 CEST)

How to cite: Demareva, V.; Mukhina, E.; Bobro, T. The Effect of Double Biofeedback on Functional Hemispheric Asymmetry and Activity: A Pilot Study. Preprints 2021, 2021040011 (doi: 10.20944/preprints202104.0011.v1). Demareva, V.; Mukhina, E.; Bobro, T. The Effect of Double Biofeedback on Functional Hemispheric Asymmetry and Activity: A Pilot Study. Preprints 2021, 2021040011 (doi: 10.20944/preprints202104.0011.v1).

Abstract

In the current pilot study, we attempt to find out how double neurofeedback influences functional hemispheric asymmetry and activity. We examined 30 healthy participants (8 males; 22 females, mean age = 29; SD= 8). To measure functional hemispheric asymmetry and activity, we used computer laterometry in the ‘two-source’ lead-lag dichotic paradigm. Double biofeedback included 8 minutes of EEG oscillation recording with five minutes of basic mode. During the basic mode, the current amplitude of the EEG oscillator gets transformed into feedback sounds while the current amplitude of alpha EEG oscillator is used to modulate the intensity of light signals. Double neurofeedback did not directly influence the asymmetry itself but accelerated individual sound perception characteristics during dichotic listening in the preceding effect paradigm. Further research is needed to investigate the effect of double neurofeedback training on functional brain activity and asymmetry taking into account participants’ age, gender, and motivation.

Subject Areas

laterality; brain; hemisphere; asymmetry; activity; biofeedback

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