Age-related changes in detecting a mistuned harmonic

被引：68

作者：

Alain, C

McDonald, KL

Ostroff, JM

Schneider, B

机构：

[1] Baycrest Ctr Geriatr Care, Rotman Res Inst, Toronto, ON M6A 2E1, Canada

[2] Univ Toronto, Dept Psychol, Mississauga, ON L5L 1C6, Canada

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2001年 / 109卷 / 05期

关键词：

D O I：

10.1121/1.1367243

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

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. (C) 2001 Acoustical Society of America.

引用

页码：2211 / 2216

页数：6

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