doi: 10.1121/1.1367243.
Age-related changes in detecting a mistuned harmonic
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- PMID: 11386572
- DOI: 10.1121/1.1367243
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Age-related changes in detecting a mistuned harmonic
J Acoust Soc Am.
2001 May.
Abstract
The effects of age on discriminating simultaneous sounds were investigated by comparing the hearing threshold in detecting a mistuned harmonic in young, middle-aged, and older adults. The stimuli were complex sounds containing multiple harmonics, one of which could be "mistuned" so that it was no longer an integer multiple of the fundamental. Older adults had higher thresholds than middle-aged or young adults. The effect of age was greater for short than for long duration sounds and remained even after controlling for hearing sensitivity. The results are consistent with an age-related decline in parsing simultaneous auditory events, which may contribute to the speech perception difficulties in the elderly.
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