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Aphasia and accent in identifying medical sentences
Angela N Burda1, Angela Brace, Amanda Hosch
1Department of Communication Sciences and Disorders, University of Northern Iowa, 230 Communication Arts Center, Cedar Falls, IA 50614-0356, USA. angela.burda@uni.edu
Participants with aphasia and nonnative English speakers had lower accuracy in identifying medical sentences. Aphasia and accents significantly impact speech comprehension, warranting further investigation.
Area of Science:
- Neurolinguistics
- Speech-Language Pathology
- Auditory Perception
Background:
- Aphasia, an acquired language disorder, can affect communication.
- Understanding accented speech presents challenges for many listeners.
- The combined effects of aphasia and speaker accent on medical sentence identification are not well-understood.
Purpose of the Study:
- To investigate the impact of aphasia on identifying medical sentences.
- To examine the influence of speaker accent (native vs. nonnative English) on sentence identification.
- To assess the combined effect of aphasia and speaker accent on auditory comprehension.
Main Methods:
- Quasi-experimental pilot study design.
- 20 participants (10 with aphasia, 10 without).
- Participants matched spoken utterances (native/nonnative English speakers) to printed medical sentences.
Main Results:
- Participants with aphasia showed significantly lower identification scores than controls.
- Sentences produced by native English speakers were identified more accurately than nonnative speakers'.
- No significant interaction effects were found between participant aphasia status and speaker accent.
Conclusions:
- Aphasia significantly impairs the ability to accurately identify spoken medical sentences.
- Speaker accent negatively affects the comprehension of medical information.
- Further research is needed on acquired language disorders and accented speech perception.
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