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[Effect of delayed auditory feedback on melody recitation]
Shinrigaku Kenkyu : the Japanese Journal of Psychology
|October 1, 1985
Summary
Delayed auditory feedback (DAF) significantly impacts speech performance, with complex melodies showing the highest disruption. Optimal disruption occurred between 100-300 ms delay, affecting vocalizations with musical leaps.
Area of Science:
- Speech Science
- Auditory Neuroscience
- Psychoacoustics
Context:
- Investigates the impact of delayed auditory feedback (DAF) on speech production.
- Examines vocalization under varying auditory feedback conditions.
- Utilizes musical melodies of differing complexity for analysis.
Purpose:
- To quantify the effect of DAF on melody recitation across complexity levels.
- To identify optimal delay times for DAF-induced performance disruption.
- To explore the role of feedback systems in speech control.
Summary:
- Four adults recited melodies (simple, medium, complex) under 10 DAF conditions (0-900 ms).
- DAF effect, measured by DAF index, was highest for complex melodies and peaked at 100-300 ms delay.
- Vocalizations were more frequent for tones with musical leaps; individual differences were noted.
Impact:
- Provides insights into auditory feedback mechanisms in speech.
- Highlights the differential impact of DAF based on task complexity.
- Informs understanding of speech control and potential therapeutic interventions for speech disorders.
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