Functional segregation of Self and Other in Joint Action. A dual-EEG study with piano duos.
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1
The Marcs Institute, University of Western Sydney, Music Cognition and Action, Australia
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2
Max Planck Institute for Human Cognitive and Brain Science, Germany
Real-time joint action requires the brain not only to integrate representations of one's own and other's movements, but also to maintain a level of autonomy between the two (segregation). This capacity for simultaneous integration and segregation was explored in a dual-EEG study in which pairs of pianists played complementary musical phrases under conditions where co-performers were familiar or unfamiliar with each other's part. We observed a suppression of alpha power (8-12 Hz) over centro-posterior scalp regions that varied as a function of interpersonal synchrony at the millisecond timescale. This suppression was: 1) stronger when interpersonal keystroke synchrony was high, 2) particularly when pianists were familiar with each others' parts, and 3) negatively correlated with indices of mutual adaptation and perspective taking (empathy). Thus, alpha suppression might constitute a neuromarker for the functional segregation (rather than integration) of self and other, determining the success of joint performance, cognitive autonomy and leadership.
Keywords:
Empathy,
Music,
integration,
Joint Action,
social neuroscience,
hyperscanning,
segregation,
Leadership,
Alpha power,
dual-EEG,
inter-personal coordination
Conference:
XII International Conference on Cognitive Neuroscience (ICON-XII), Brisbane, Queensland, Australia, 27 Jul - 31 Jul, 2014.
Presentation Type:
Oral Presentation
Topic:
Motor Behaviour
Citation:
Novembre
G,
Sammler
D and
Keller
P
(2015). Functional segregation of Self and Other in Joint Action. A dual-EEG study with piano duos..
Conference Abstract:
XII International Conference on Cognitive Neuroscience (ICON-XII).
doi: 10.3389/conf.fnhum.2015.217.00035
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Received:
19 Feb 2015;
Published Online:
24 Apr 2015.
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Correspondence:
Dr. Giacomo Novembre, The Marcs Institute, University of Western Sydney, Music Cognition and Action, Sydney, Australia, giacomo.novembre@iit.it