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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
Published on: September 7, 2022
Speech perceived through a damaged temporal window: lessons from word deafness and aphasia
1Department of Communication Sciences and Disorders, Temple University, Philadelphia, Pennsylvania 19122, USA. stefang@temple.edu
Seminars in Speech and Language
|August 23, 2008
Summary
Word deafness, a syndrome impacting spoken language, may stem from temporal lobe issues affecting sound processing. This could explain difficulties in understanding and producing speech, offering new treatment avenues.
Area of Science:
- Neurology
- Neuroscience
- Linguistics
Background:
- Word deafness presents significant challenges in spoken language comprehension and production.
- It raises questions about the modularity of speech recognition within language networks.
- The precise location and nature of processing deficits remain unclear.
Purpose of the Study:
- To investigate the nature and potential treatments for word deafness.
- To explore the functional locus of processing disturbances in word deafness.
- To present a detailed case study of Landau-Kleffner syndrome.
Main Methods:
- Neuropsychological assessment
- Neuroimaging techniques
- Event-related potential (ERP) analysis
- Detailed case study of an adult with Landau-Kleffner syndrome.
Main Results:
- Findings suggest temporal lobe pathophysiology.
- Evidence points to cortical mechanisms involved in processing rapid frequency changes in sound.
- Deficits may impair analysis of transitional frequency cues in speech.
Conclusions:
- Temporal lobe dysfunction impacting sound processing is implicated in word deafness.
- These deficits likely contribute to profound difficulties in speech understanding and production.
- Findings may inform novel treatment strategies for word deafness.
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