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A model of empty duration perception.

Y Nakajima1

  • 1Department of Acoustic Design, Kyushu Institute of Design, Fukuoka, Japan.

Perception
|January 1, 1987
PubMed
Summary
This summary is machine-generated.

Subjective duration perception is explained by a constant 80 ms addition to physical duration. This supplement hypothesis applies to auditory durations and musical rhythms, impacting duration discrimination.

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Area of Science:

  • Cognitive Psychology
  • Auditory Perception
  • Psychophysics

Background:

  • Understanding duration perception is crucial for explaining temporal judgments.
  • Previous models did not fully account for the constant offset in subjective time.
  • The relationship between physical and perceived duration requires a comprehensive theory.

Purpose of the Study:

  • To propose and test a general theory of duration perception.
  • To examine the supplement hypothesis regarding empty time intervals.
  • To reanalyze existing data on duration discrimination experiments.

Main Methods:

  • Conducted four experiments to test the supplement hypothesis with auditory durations.
  • Applied the hypothesis to ratio judgments of empty durations (40-600 ms).

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  • Reanalyzed three prior experiments on the discrimination of empty durations.

    • Main Results:

    • Subjective duration is proportional to physical duration plus a constant (approx. 80 ms).
    • This supplement hypothesis explains discrepancies in musical rhythm performance.
    • The just noticeable difference in duration discrimination also follows this pattern.

    Conclusions:

    • The supplement hypothesis provides a robust model for duration perception.
    • A constant offset of 80 ms is a key factor in subjective time.
    • The processing time hypothesis suggests subjective duration relates to neural processing time.