失配负性
听力学
心理学
事件相关电位
感知
最佳显著性理论
语调(文学)
脑电图
电生理学
俯仰等高线
语音识别
声学
计算机科学
神经科学
医学
社会心理学
物理
文学类
艺术
出处
期刊:Journal of the Acoustical Society of America
[Acoustical Society of America]
日期:2016-06-01
卷期号:139 (6): 3226-3237
被引量:8
摘要
One way to understand the relationship between speech perception and production is to examine cases where the two dissociate. This study investigates the hypothesis that perceptual acuity reflected in event-related potentials (ERPs) to rise time of sound amplitude envelope and pitch contour [reflected in the mismatch negativity (MMN)] may associate with individual differences in production among speakers with otherwise comparable perceptual abilities. To test this hypothesis, advantage was taken of an on-going sound change–tone merging in Cantonese, and compared the ERPs between two groups of typically developed native speakers who could discriminate the high rising and low rising tones with equivalent accuracy but differed in the distinctiveness of their production of these tones. Using a passive oddball paradigm, early positive-going EEG components to rise time and MMN to pitch contour were elicited during perception of the two tones. Significant group differences were found in neural responses to rise time rather than pitch contour. More importantly, individual differences in efficiency of tone discrimination in response latency and magnitude of neural responses to rise time were correlated with acoustic measures of F0 offset and rise time differences in productions of the two rising tones.
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