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Brain-to-brain communication during musical improvisation: a performance case study.

Mauricio A Ramírez-Moreno1,2, Jesús G Cruz-Garza2, Akanksha Acharya2

  • 1School of Engineering and Sciences, Mechatronics Department, Tecnologico de Monterrey, Monterrey, Nuevo Leon, 64849, Mexico.

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|October 9, 2023
PubMed
Summary
This summary is machine-generated.

Professional musicians exhibit enhanced brain-to-brain communication during live jazz performances. Increased synchronization in beta and gamma bands predicts coordinated musical actions, revealing preparatory neural activity.

Keywords:
Brain on artsbrain-to-brain synchronyhyperscanningmusical improvisation

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Area of Science:

  • Neuroscience
  • Social Neuroscience
  • Music Cognition

Background:

  • Understanding human interaction in naturalistic settings is crucial for social neuroscience.
  • Predicting others' actions requires insight into inter-brain communication.

Purpose of the Study:

  • To investigate inter-brain communication among professional musicians during a live jazz performance using mobile brain-body imaging (MoBI).
  • To analyze neural synchronization patterns predictive of coordinated musical improvisation.

Main Methods:

  • Mobile brain-body imaging (MoBI) and scalp electroencephalography (EEG) were used.
  • Bispectral analysis assessed EEG signal synchronization between musician dyads.
  • Analysis covered five frequency bands during a 45-minute jazz performance with a changing ensemble size.

Main Results:

  • Higher bispectrum (synchronization) was observed in beta and gamma bands (13-50 Hz) with more musicians and during synchronous musical phrases.
  • Positive bispectrum amplitude changes preceded synchronized performance events by approximately three seconds.
  • Increased EEG synchrony, particularly between temporal, parietal, and occipital regions, correlated with ensemble size.

Conclusions:

  • Enhanced brain-to-brain synchrony in musicians reflects shared processing and intention during improvisation.
  • Pre-performance neural activity predicts coordinated group action in ecological settings.
  • MoBI methodology offers a powerful tool for studying neural dynamics in real-world social interactions.