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Audio-visual concert performances synchronize audience's heart rates
Anna M Czepiel1,2,3, Lauren K Fink2,4, Mathias Scharinger5,6
1Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario, Canada.
Annals of the New York Academy of Sciences
|January 3, 2025
Summary
Live music concerts reveal how seeing musicians perform enhances audience engagement, particularly during key musical moments. Cardiorespiratory synchrony, especially inter-subject correlation of heart rate, effectively measures this dynamic engagement in real-world settings.
Area of Science:
- Neuroscience
- Psychology
- Musicology
Background:
- Live music concerts offer a naturalistic setting to study real-world music engagement.
- Neurophysiological synchrony, particularly cardiorespiratory measures, can quantify dynamic audience engagement.
- The sensory experience (audio-only vs. audio-visual) may influence engagement levels.
Purpose of the Study:
- To assess audience engagement during live concerts using cardiorespiratory synchrony.
- To compare engagement levels between audio-only (AO) and audio-visual (AV) musical performances.
- To investigate the effectiveness of different synchrony measures (correlation, phase coherence) for assessing engagement.
Main Methods:
- Assessed engagement using cardiorespiratory measures (heart rate, respiration) during live piano performances.
- Compared synchrony metrics including inter-subject, stimulus-response, correlation, and phase coherence.
- Analyzed both time-averaged and time-resolved synchrony patterns for audio-only and audio-visual conditions.
Main Results:
- Correlation synchrony measures were significantly above chance levels.
- Audio-visual performances showed higher inter-subject correlation of heart rate (ISC-HR) compared to audio-only.
- Time-resolved analysis revealed synchronized heart rate patterns (orienting responses) at music section boundaries, enhanced by visual performance.
Conclusions:
- Multisensory information, specifically visual cues from performers, dynamically shapes audience engagement in live music settings.
- Inter-subject correlation of heart rate (ISC-HR) is a robust measure for holistic musical listening experiences.
- Synchronized cardiorespiratory patterns at salient musical events indicate heightened attention and engagement.
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