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Responses to speech audiometry and phonemic discrimination patterns in the elderly
Summary
This study explores age-related speech hearing changes using new methods. Elderly individuals may experience reduced phonemic discrimination due to fewer available speech sound categories.
Area of Science:
- Audiology
- Gerontology
- Linguistics
Background:
- Speech perception abilities can decline with age.
- Understanding age-related changes in phonemic discrimination is crucial for audiological assessments.
Purpose of the Study:
- To investigate phonemic discrimination difficulties in the elderly using novel assessment approaches.
- To compare conventional and automated speech testing systems.
Main Methods:
- A new speech hearing assessment approach was applied to elderly participants.
- Conventional and automated testing systems were used to examine phonemic discrimination.
- Results were visualized using directed graphs (digraphs).
Main Results:
- Digraphs revealed significant asymmetry in speech perception for both young and elderly groups.
- Observed asymmetry patterns differed from classical confusion studies.
- Evidence suggests a potential reduction in usable phoneme categories with aging.
Conclusions:
- The new assessment approach highlights age-related speech perception asymmetries.
- Phonemic category reduction may underlie some age-associated speech discrimination deficits.
