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年龄相关的音高反馈扰动下的声音反应差异:一项初步研究。

Age-related differences in vocal responses to pitch feedback perturbations: a preliminary study.

机构信息

Department of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, People's Republic of China.

出版信息

J Acoust Soc Am. 2010 Feb;127(2):1042-6. doi: 10.1121/1.3273880.

Abstract

The present study tested the effect of age on voice fundamental frequency (F(0)) responses to pitch-shifted feedback. Pitch-shift stimuli (-100 cents, 200 ms duration) were presented to 30 native-English speakers: 10 children (7-12 yrs), 10 younger adults (19-21 yrs), and 10 older adults (60-73 yrs). Significantly larger response magnitudes were found in the older group compared to the children and young adult groups, while the longest latencies were associated with the children group as compared to the two adult groups. These findings provide preliminary evidence of an age effect on the modulation of vocal responses to pitch-shifted feedback.

摘要

本研究测试了年龄对音高移位反馈下声音基频(F0)响应的影响。向 30 名以英语为母语的人呈现了时长为 200 毫秒、音高降低 100 个半音的移频刺激:10 名儿童(7-12 岁)、10 名年轻成年人(19-21 岁)和 10 名老年人(60-73 岁)。与儿童组和年轻成年人组相比,老年人组的反应幅度明显更大,而与两个成年人组相比,儿童组的潜伏期最长。这些发现初步证明了年龄对人声对移频反馈的调制的影响。

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