Effect of age on speech recognition in noise and on contralateral transient evoked otoacoustic emission suppression

We aimed to study the influence of age, in normal hearing individuals, on: the masking level difference test, the speech recognition in noise test, the transient evoked otoacoustic emissions test, and the contralateral transient evoked otoacoustic emission suppression test. We also aimed to research...

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Bibliographic Details
Published in:Journal of laryngology and otology 2007-11, Vol.121 (11), p.1029-1034
Main Authors: YILMAZ, S. T, SENNAROGLU, G, SENNAROGLU, L, KÖSE, S. K
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Acoustics
Adolescent
Adult
Age
Age Factors
Aged
Aging - physiology
Auditory Threshold - physiology
Biological and medical sciences
Central Auditory Diseases
Child
Cochlea
Cochlea - physiology
Ears & hearing
Evoked Potentials, Auditory, Brain Stem
Female
Humans
Male
Medical sciences
Middle Aged
Otoacoustic Emissions, Spontaneous - physiology
Otorhinolaryngology. Stomatology
Reproducibility
Signal to noise ratio
Speech
Speech Acoustics
Speech Perception - physiology
Speech Reception Threshold Test - methods
Voice recognition
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Summary:We aimed to study the influence of age, in normal hearing individuals, on: the masking level difference test, the speech recognition in noise test, the transient evoked otoacoustic emissions test, and the contralateral transient evoked otoacoustic emission suppression test. We also aimed to research the effect of age when using these tests to evaluate the central auditory nervous system. Transient evoked otoacoustic emissions and contralateral transient evoked otoacoustic emission suppression were measured in all subjects. Subjects also underwent masking level difference and speech recognition in noise tests. We found a decrease in transient evoked otoacoustic emission amplitudes, speech recognition in noise scores and hearing thresholds with age. We also found that higher masking level difference values were associated with lower speech recognition in noise scores and contralateral transient evoked otoacoustic emission suppression values. We conclude that decreasing speech recognition in noise scores are associated with decreasing contralateral transient evoked otoacoustic emission supression values. This effect may be related to medial efferent system dysfunction.
ISSN:0022-2151
1748-5460
1748-5640
DOI:10.1017/S0022215107006883