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Related Experiment Video

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Sensorimotor synchronization with chords containing tone-onset asynchronies.

Michael J Hove1, Peter E Keller, Carol L Krumhansl

  • 1Cornell University, Ithaca, New York 14853-7601, USA. mjh88@cornell.edu

Perception & Psychophysics
|October 13, 2007
PubMed
Summary
This summary is machine-generated.

Musicians synchronize taps to chord sequences, with timing influenced by tone-onset asynchronies and leading tone pitch. Subjective onset perception guides temporal placement in sensorimotor synchronization.

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Area of Science:

  • Cognitive Neuroscience
  • Auditory Perception
  • Sensorimotor Synchronization

Background:

  • Ensemble musical performance relies on precise synchronization among multiple musicians.
  • Complex musical pieces often feature chords with multiple tones and varying onset times.
  • Understanding sensorimotor synchronization with asynchronous musical stimuli is crucial for performance.

Purpose of the Study:

  • To investigate how sensorimotor synchronization is affected by tone-onset asynchronies in chord sequences.
  • To examine the influence of asynchrony magnitude (25-50 ms) and leading tone pitch (high vs. low) on synchronization.
  • To determine the role of subjective onset perception in temporal placement during synchronization tasks.

Main Methods:

  • Participants performed finger taps synchronized with chord sequences exhibiting varying tone-onset asynchronies.
  • Experiments manipulated asynchrony magnitude and leading tone pitch.
  • Perceptual centers of chords were measured to assess subjective onset perception.

Main Results:

  • Taps were attracted to the second onset, particularly when it was lower in pitch.
  • Non-musicians showed increased tapping variability with nonsimultaneous onsets, while musicians exhibited decreased variability.
  • Subjective onset perception correlated with the temporal placement of taps.

Conclusions:

  • Tone-onset asynchronies and leading tone pitch significantly impact sensorimotor synchronization with musical chords.
  • Expertise modulates the effect of asynchronies on tapping variability, suggesting different processing strategies.
  • Subjective temporal perception of musical events is a key determinant of synchronization accuracy.