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Phonological disruption and subsequent self-correcting behaviour in Cantonese aphasic speakers
1Department of Speech and Hearing Sciences, University of Hong Kong, Hong Kong.
International Journal of Language & Communication Disorders
|November 25, 2000
Summary
Cantonese aphasic speakers exhibit phonological self-correction when producing sounds. Initial consonants are more prone to errors but also more resistant to self-correction in aphasia.
Area of Science:
- Linguistics
- Neurolinguistics
- Speech Pathology
Background:
- Aphasia, a language disorder post-brain injury, often causes speech sound errors.
- Understanding phonological self-correction provides insights into speech production and recovery.
Purpose of the Study:
- To investigate phonological disruption and self-correction in Cantonese aphasic speakers.
- To analyze the sequence of speech attempts in producing target sounds.
Main Methods:
- Assessed five anomic, five non-fluent aphasic, and five normal control subjects.
- Utilized a confrontation naming task with varying syllable targets (monosyllabic, disyllabic, trisyllabic).
Main Results:
- All aphasic subjects showed successive phonological self-corrections towards target sounds.
- Initial consonants were more frequently disrupted and harder to self-correct than vowels, tones, and final consonants.
Conclusions:
- Phonological self-correction is a key behavior in Cantonese aphasia.
- Specific speech sound components (initial consonants) present unique challenges in aphasic speech production.