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Updated: May 19, 2026
07:52
An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
Published on: March 13, 2026
The effects of hearing impairment and aging on spatial processing
Helen Glyde1, Sharon Cameron, Harvey Dillon
1HEARing Cooperative Research Centre, Melbourne, Victoria, Australia. helen. glyde@nal.gov.au
Ear and Hearing
|September 4, 2012
Summary
Hearing impairment negatively impacts spatial processing, affecting speech understanding in noise. This deficit is common in hearing-impaired individuals and requires consideration during patient counseling.
Area of Science:
- Audiology
- Neuroscience
- Gerontology
Background:
- Hearing impairment often leads to difficulties understanding speech in noisy environments, even with amplification.
- Spatial processing, crucial for auditory scene analysis, may be impaired in individuals with hearing loss.
- Previous research faced challenges due to audibility issues in stimuli used to assess spatial processing.
Purpose of the Study:
- To investigate the impact of hearing impairment and aging on spatial-processing ability.
- To explore the influence of cognitive function on spatial processing.
- To examine the relationship between spatial-processing ability and self-reported listening difficulties.
Main Methods:
- Eighty participants (ages 7-89) with varying hearing loss levels were recruited.
- Spatial-processing ability was assessed using a modified Listening in Spatialized Noise-Sentences test (LiSN-S).
- Cognitive function and self-reported listening difficulties were evaluated using standardized questionnaires.
Main Results:
- Hearing impairment significantly impaired spatial-processing ability.
- No significant correlation was found between aging, cognitive ability, and spatial processing.
- Adult self-reported listening difficulties correlated significantly with spatial-processing ability, unlike in children.
Conclusions:
- Hearing impairment invariably results in some degree of spatial processing deficit.
- Counseling hearing-impaired individuals should include realistic expectations regarding performance in background noise.
- Further research is needed to understand and potentially remediate spatial-processing deficits.
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