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  Endogenous sources of interbrain synchrony in duetting pianists

Gugnowska, K., Novembre, G., Kohler, N., Villringer, A., Keller, P. E., & Sammler, D. (2022). Endogenous sources of interbrain synchrony in duetting pianists. Cerebral Cortex, 32(18), 4110-4127. doi:10.1093/cercor/bhab469.

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 Creators:
Gugnowska, Katarzyna1, 2, 3, Author           
Novembre, Giacomo4, Author
Kohler, Natalie1, 2, 3, Author           
Villringer, Arno2, Author           
Keller, Peter E.5, 6, Author
Sammler, Daniela1, 3, 7, Author           
Affiliations:
1Otto Hahn Group Neural Bases of Intonation in Speech, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_1797284              
2Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
3Research Group Neurocognition of Music and Language, Max Planck Institute for Empirical Aesthetics, Max Planck Society, ou_3277646              
4Neuroscience of Perception & Action Lab, Italian Institute of Technology (IIT), Rome, Italy, ou_persistent22              
5Center for Music in the Brain, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark, ou_persistent22              
6The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Sydney, Australia, ou_persistent22              
7Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634551              

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Free keywords: Interactional synchrony; Joint action; Temporal anticipation; Attention; EEG hyperscanning
 Abstract: When people interact with each other, their brains synchronise. However, it remains unclear whether interbrain synchrony (IBS) is functionally relevant for social interaction or stems from exposure of individual brains to identical sensorimotor information. To disentangle these views, the current dual-EEG study investigated amplitude-based IBS in pianists jointly performing duets containing a silent pause followed by a tempo change. First, we manipulated the similarity of the anticipated tempo change and measured IBS during the pause, hence, capturing the alignment of purely endogenous, temporal plans without sound or movement. Notably, right posterior gamma IBS was higher when partners planned similar tempi, it predicted whether partners’ tempi matched after the pause, and was modulated only in real, not in surrogate pairs. Second, we manipulated the familiarity with the partner’s actions and measured IBS during joint performance with sound. Although sensorimotor information was similar across conditions, gamma IBS was higher when partners were unfamiliar with each other’s part and had to attend more closely to the sound of the performance. These combined findings demonstrate that IBS is not merely an epiphenomenon of shared sensorimotor information, but can also hinge on endogenous, cognitive processes crucial for behavioural synchrony and successful social interaction.

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Language(s): eng - English
 Dates: 2021-11-182022-01-142022-09-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1093/cercor/bhab469
PMID: 35029645
PMC: PMC9476614
 Degree: -

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Title: Cerebral Cortex
Source Genre: Journal
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Publ. Info: New York, NY : Oxford University Press
Pages: - Volume / Issue: 32 (18) Sequence Number: - Start / End Page: 4110 - 4127 Identifier: ISSN: 1047-3211
CoNE: https://pure.mpg.de/cone/journals/resource/954925592440