Directionality in Hyperbrain Networks Discriminates Between Leaders and Followers in Guitar Duets

Overview

Journal Front Hum Neurosci

Specialty Neurology

Date 2013 Jun 14

PMID 23761745

Citations 50

Authors

Johanna Sanger

Viktor Muller

Ulman Lindenberger

Affiliations

Soon will be listed here.

Abstract

To investigate whether directionality in hyperbrain networks reflects different roles during interpersonal action coordination (IAC), we recorded EEG data from pairs of guitarists playing together as musical leaders versus followers. We used an asymmetric index of in-phase synchronization to analyze hyperbrain networks of directed functional connectivity in the alpha and beta frequency ranges for time segments around coordinated play onsets. After exploring the small-world characteristics of the networks at different thresholds, we examined the directed connection strengths within and between brains. As predicted, we found evidence suggesting that the musical roles of leader and follower are associated with different patterns of directed between-brain couplings. The functional significance of these differences for IAC requires further study.

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