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Related Experiment Video

Updated: Aug 24, 2025

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Musical Meter Induces Interbrain Synchronization during Interpersonal Coordination.

Yinying Hu1, Min Zhu2, Yang Liu1

  • 1Shanghai Key Laboratory of Mental Health and Crisis Intervention, School of Psychology and Cognitive Science, East China Normal University, Shanghai 200062, China.

Eneuro
|October 24, 2022
PubMed
Summary
This summary is machine-generated.

Music enhances brain-to-brain synchronization (IBS) during coordinated actions, particularly with a musical beat and meter. This synchronization in the frontal cortex is linked to better performance in cooperative tasks.

Keywords:
fNIRS hyperscanninginterbrain synchronizationinterpersonal coordinationmusical meter

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Music Psychology

Background:

  • Music is known to facilitate social coordination and cooperation among individuals.
  • Interbrain synchronization (IBS) reflects coupled neural activity between interacting brains.
  • Understanding the neural mechanisms of music-induced cooperation is crucial for social neuroscience.

Purpose of the Study:

  • To investigate the role of musical beat and meter in inducing interbrain synchronization (IBS) during interpersonal coordination.
  • To explore the relationship between IBS and performance in coordinated tasks under musical influence.
  • To examine how different metrical contexts (strong vs. weak meters) affect IBS during action coordination.

Main Methods:

  • Two experiments utilizing functional near-infrared spectroscopy (fNIRS) hyperscanning to record brain activity from dyads.
  • Participants performed finger-tapping coordination and independence tasks with and without musical meter.
  • Experiment 2 manipulated metrical contexts (strong vs. weak meters) during coordination tasks.

Main Results:

  • Enhanced IBS was observed in the left-middle frontal cortex during coordinated tapping with musical beat and meter.
  • IBS levels positively correlated with coordination task performance.
  • Strong musical meters elicited significantly higher IBS compared to weak meters in the middle frontal cortex.

Conclusions:

  • Musical beat and meter play a significant role in modulating brain-to-brain coupling during interpersonal action coordination.
  • These findings highlight the interbrain mechanisms through which music influences cooperation.
  • The study provides insights into the neural basis of music-enhanced social interaction and synchrony.