Effects of aging on spatial hearing
Background Aging has several effects on auditory processing with the most important effect known as speech perception impairment in noise. Aims The aim of the present study was to investigate the effects of aging on spatial hearing using quick speech in noise (QSIN) and binaural masking level differ...
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Veröffentlicht in: | Aging clinical and experimental research 2020-04, Vol.32 (4), p.733-739 |
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Sprache: | eng |
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Zusammenfassung: | Background
Aging has several effects on auditory processing with the most important effect known as speech perception impairment in noise.
Aims
The aim of the present study was to investigate the effects of aging on spatial hearing using quick speech in noise (QSIN) and binaural masking level difference (BMLD) tests and speech, spatial, and qualities of hearing scale (SSQ) questionnaire.
Methods
The study was carried out on 34 elderly people, aged 60–75 years, with normal peripheral hearing and 34 young participants, aged 18–25 years. Using SSQ questionnaire and QSIN and BMLD tests, the spatial auditory processing ability was compared between the two groups.
Results
Comparison of mean scores using independent
t
test showed that there was a significant difference in the mean scores of QSIN, BMLD tests and SSQ questionnaire between the two groups (
p
0.05).
Discussion
Structural and neurochemical changes that occur in different parts of the central nervous system by aging affect various aspects of spatial auditory processing, such as localization, the precedence effect, and speech perception in noise.
Conclusions
Lower scores of older adults with normal hearing in SSQ questionnaire and behavioral tests, compared with younger participants, may be considered as their weak performance in spatial auditory processing. The results of the present study reconfirm the effects of aging on spatial auditory processing, such as localization and speech perception in noise. |
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ISSN: | 1720-8319 1594-0667 1720-8319 |
DOI: | 10.1007/s40520-019-01233-3 |