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The core disruption under delayed auditory feedback: evidence from adaptation study
Journal of Communication Disorders
|September 1, 1980
Summary
This study shows that some disfluencies adapt during repeated readings with delayed auditory feedback (DAF). However, part-word repetitions persist, suggesting they are the most fundamental disruption under DAF.
Area of Science:
- Speech-Language Pathology
- Auditory Neuroscience
- Experimental Psychology
Background:
- Delayed Auditory Feedback (DAF) is known to induce speech disruptions.
- Previous research yielded mixed findings on the adaptability of disfluencies under DAF.
Purpose of the Study:
- To investigate the adaptation patterns of different disfluency types during repeated oral readings under DAF.
- To identify which disfluency types are most resistant to adaptation.
Main Methods:
- Participants repeatedly read a text five times while exposed to bilateral DAF.
- The frequency of specific disfluency types (dysrhythmic phonations, part-word repetitions, reading errors) was quantified for each reading.
Main Results:
- Significant decreases in dysrhythmic phonations and reading errors were observed across successive readings.
- Part-word repetitions did not show a significant decrease, indicating a lack of adaptation.
Conclusions:
- Contrary to some prior research, adaptation of certain disfluencies does occur under DAF.
- Part-word repetitions appear to be the most basic and persistent form of speech disruption induced by DAF.