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How background music rhythm modulates time perception: Evidence from the estimation of collision time
Chang Lu1, Linxin Zhang1, Li Li1
1Department of Psychology, Research Center for Psychology and Behavioral Sciences, Soochow University, Suzhou, China.
Attention, Perception & Psychophysics
|April 28, 2026
Summary
Fast-tempo music improves time-to-collision (TTC) estimation accuracy, especially in near-field conditions. Auditory rhythms influence visual perception by adjusting attention and internal timing for better motor behavior regulation.
Area of Science:
- Multisensory perception
- Cognitive neuroscience
- Motor control
Background:
- Time-to-collision (TTC) estimation is crucial for regulating motor behavior.
- Existing research highlights velocity and distance effects on TTC, but the impact of auditory rhythm is unclear.
Purpose of the Study:
- To investigate how background musical rhythm influences visual TTC estimation.
- To explore the interplay between auditory rhythm, object velocity, and distance in TTC tasks.
Main Methods:
- Conducted two experiments manipulating object velocity and distance.
- Utilized Bayesian modeling to analyze TTC estimation strategies.
- Incorporated background music with varying tempos.
Main Results:
- Fast-tempo music significantly enhanced TTC estimation accuracy under specific conditions (low velocity, near distance).
- A central tendency effect was observed, where extreme values were biased towards the mean.
- Bayesian modeling revealed distinct integration strategies: stabilized temporal priors for velocity and reduced variability for distance under fast-tempo conditions.
Conclusions:
- Auditory rhythms, particularly fast-tempo music, can modulate visual TTC estimation.
- Rhythm influences TTC by regulating attentional allocation and recalibrating internal timing mechanisms.
- Findings offer insights into multisensory temporal perception and have implications for traffic safety.
