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Rhythm perception and differences in accent weights for musicians and nonmusicians
L A Dawe1, J R Platt, R J Racine
1Department of Psychology, University of Western Ontario, London, Canada.
Perception & Psychophysics
|August 1, 1995
Summary
Musical rhythm perception is influenced by both harmonic and temporal cues. Experiments show temporal structure changes meter perception, while musical training predicts reliance on harmonic information.
Area of Science:
- Music Perception
- Cognitive Science
- Psychoacoustics
Background:
- Musical rhythm perception relies on complex interactions between temporal and harmonic elements.
- Understanding the relative salience of these features is crucial for explaining how listeners infer meter.
Purpose of the Study:
- To investigate the distinct and combined contributions of harmonic and temporal accents to the perception of musical rhythm.
- To determine how variations in chord progression structure influence the inference of meter.
- To assess the impact of formal musical training on the utilization of harmonic cues in rhythm perception.
Main Methods:
- Three experiments were conducted, pitting harmonic and temporal accents against each other in various patterns.
- Temporal structure of chord progressions was manipulated to assess harmonic contributions to meter inference.
- Nondiatonic progressions implying key modulations were used in the final experiment.
- Musicians and nonmusicians reported perceived rhythm patterns.
Main Results:
- Changes in temporal structure predictably altered inferred meter.
- Diatonic chord progressions elicited similar response patterns, highlighting perceptually salient coincidences of harmonic, temporal, and metrical accents.
- Unusual progressions with key modulations yielded qualitatively distinct results.
- Formal musical training positively correlated with the use of harmonic cues.
Conclusions:
- Both harmonic and temporal features significantly contribute to musical rhythm perception.
- Temporal structure is a strong determinant of inferred meter.
- Musical training modulates the reliance on harmonic information for rhythmic interpretation.
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