Perceptual pitch deficits coexist with pitch production difficulties in music but not Mandarin speech.
Perceptual pitch deficits coexist with pitch production difficulties in music but not Mandarin speech.
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DOI：
10.3389/fpsyg.2013.01024
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发表时间：
2013
影响因子：
3.8
通讯作者：
Nan Y
中科院分区：
文献类型：
--
作者：
Yang WX;Feng J;Huang WT;Zhang CX;Nan Y
先天性健忘症是一种主要影响音调感知的音乐障碍。在说普通话的人中，一些娱乐者在处理词汇声调(声调不可知)方面也存在困难。为了检验这些知觉缺陷在多大程度上可能与音乐和普通话中的音调产生障碍有关，研究人员要求8名娱乐者、8名声调不可知者和12名年龄和智商相匹配的母语普通话者模仿音乐音符序列和长度相当的普通话单词。结果表明，娱乐性和音调不可知性在音高产生的控制上都表现不佳。然而，音调不可知论的表现并不比娱乐性差，这表明词汇音调知觉缺陷可能不会加剧音高产生的困难。此外，这三组受试者都能够以完美的清晰度模仿词汇声调。综上所述，目前的研究表明，知觉音高和词汇音调缺陷可能与音高产生困难并存。但与此同时，这些知觉音调缺陷可能不会影响词汇音调的产生或所产生的语音单词的可理解性。因此，具有知觉性音高缺陷的个体对音高的知觉-生产关系可能是领域相关的。
Congenital amusia is a musical disorder that mainly affects pitch perception. Among Mandarin speakers, some amusics also have difficulties in processing lexical tones (tone agnosics). To examine to what extent these perceptual deficits may be related to pitch production impairments in music and Mandarin speech, eight amusics, eight tone agnosics, and 12 age- and IQ-matched normal native Mandarin speakers were asked to imitate music note sequences and Mandarin words of comparable lengths. The results indicated that both the amusics and tone agnosics underperformed the controls on musical pitch production. However, tone agnosics performed no worse than the amusics, suggesting that lexical tone perception deficits may not aggravate musical pitch production difficulties. Moreover, these three groups were all able to imitate lexical tones with perfect intelligibility. Taken together, the current study shows that perceptual musical pitch and lexical tone deficits might coexist with musical pitch production difficulties. But at the same time these perceptual pitch deficits might not affect lexical tone production or the intelligibility of the speech words that were produced. The perception-production relationship for pitch among individuals with perceptual pitch deficits may be, therefore, domain-dependent.
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