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首页> 外文期刊>Frontiers in Psychology >Effects of Amateur Musical Experience on Categorical Perception of Lexical Tones by Native Chinese Adults: An ERP Study
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Effects of Amateur Musical Experience on Categorical Perception of Lexical Tones by Native Chinese Adults: An ERP Study

机译：业余音乐经验对中国成年人对词汇色调分类感知的影响：ERP研究

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Music impacting on speech processing is vividly evidenced in most reports involving professional musicians, while the question of whether the facilitative effects of music are limited to experts or may extend to amateurs remains to be resolved. Previous research has suggested that analogous to language experience, musicianship also modulates lexical tone perception but the influence of amateur musical experience in adulthood is poorly understood. Furthermore, little is known about how acoustic information and phonological information of lexical tones are processed by amateur musicians. This study aimed to provide neural evidence of cortical plasticity by examining categorical perception of lexical tones in Chinese adults with amateur musical experience relative to the non-musician counterparts. Fifteen adult Chinese amateur musicians and an equal number of non-musicians participated in an event-related potential (ERP) experiment. Their mismatch negativities (MMNs) to lexical tones from Mandarin Tone 2–Tone 4 continuum and non-speech tone analogs were measured. It was hypothesized that amateur musicians would exhibit different MMNs to their non-musician counterparts in processing two aspects of information in lexical tones. Results showed that the MMN mean amplitude evoked by within-category deviants was significantly larger for amateur musicians than non-musicians regardless of speech or non-speech condition. This implies the strengthened processing of acoustic information by adult amateur musicians without the need of focused attention, as the detection of subtle acoustic nuances of pitch was measurably improved. In addition, the MMN peak latency elicited by across-category deviants was significantly shorter than that by within-category deviants for both groups, indicative of the earlier processing of phonological information than acoustic information of lexical tones at the pre-attentive stage. The results mentioned above suggest that cortical plasticity can still be induced in adulthood, hence non-musicians should be defined more strictly than before. Besides, the current study enlarges the population demonstrating the beneficial effects of musical experience on perceptual and cognitive functions, namely, the effects of enhanced speech processing from music are not confined to a small group of experts but extend to a large population of amateurs.
机译：在涉及专业音乐家的大多数报告中，影响语音处理的音乐在涉及专业音乐家的大多数报告中都有所作为，而音乐的促进效果是否仅限于专家，或者可能延伸到业余爱好者仍有待解决。以前的研究表明，比语言经验类似，音乐家也调查了词汇色调感知，但业余音乐经验在成年期的影响很差。此外，关于如何由业余音乐家处理词法音调的声学信息和语音信息如何。本研究旨在通过审查中国成人词汇色调的分类感染性与非音乐同行的业余音乐经验，为皮层塑性提供神经证据。十五名成年人的中国业余音乐家和平等数量的非音乐家参与了与事件相关的潜在（ERP）实验。测量了从普通话音调2-TONE 4连续核和非语音音调类似物的词汇色调的不匹配否定性（MMN）。假设业余音乐家将在处理词汇音中处理信息的两个方面时，业余音乐家将向他们的非音乐同行表现出不同的MMN。结果表明，无论言语或非语音条件如何，业余音乐家们诱导的MMN平均幅度明显更大。这意味着通过成年人业余音乐家加强对声学信息的处理而不需要重点关注，因为可测量地改善了间距微妙声学微分的检测。此外，由类别的偏差引发的MMN峰值延迟明显短于两个组的类别偏差，这表明比预先分子阶段的词汇音的声学信息的早期处理。上述结果表明，皮质可塑性仍然可以在成年期诱导，因此非音乐家应该比以前更严格地定义。此外，目前的研究扩大了人口展示了音乐体验对感知和认知功能的有益影响，即，增强语音处理的影响来自音乐的效果并不局限于一小组专家，而是延伸到大量的业余爱好者。

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