Beneficial effects of word final stress in segmenting a new language: evidence from ERPs.
Beneficial effects of word final stress in segmenting a new language: evidence from ERPs.
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DOI：
10.1186/1471-2202-9-23
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发表时间：
2008-02-18
期刊：
影响因子：
2.4
通讯作者：
Rodríguez-Fornells A
中科院分区：
文献类型：
--
作者：
Cunillera T;Gomila A;Rodríguez-Fornells A
听众是如何在不熟悉的语言中识别单词的呢？由于信号的物理连续性，单词之间没有真正的无声停顿，这使得它成为一项困难的任务。然而，有多种线索可以用来定位词边界和分割声音信号。本研究在网络分词任务中，利用统计信息操纵单词重音，并将其置于三音节无义词的不同音节中，探讨线索组合的结果。行为结果表明，重音放在最后一个音节上比放在中间或第一个音节上的单词分割得更好。电生理结果显示P2分量的振幅增加，这似乎对单词重音及其在单词中的位置敏感。结果表明，听者在分词时能够整合特定的韵律和分布线索。发现了与单词重读线索相关的ERP成分：重读音节比非重读音节在P2成分中激发出更大的振幅。
How do listeners manage to recognize words in an unfamiliar language? The physical continuity of the signal, in which real silent pauses between words are lacking, makes it a difficult task. However, there are multiple cues that can be exploited to localize word boundaries and to segment the acoustic signal. In the present study, word-stress was manipulated with statistical information and placed in different syllables within trisyllabic nonsense words to explore the result of the combination of the cues in an online word segmentation task. The behavioral results showed that words were segmented better when stress was placed on the final syllables than when it was placed on the middle or first syllable. The electrophysiological results showed an increase in the amplitude of the P2 component, which seemed to be sensitive to word-stress and its location within words. The results demonstrated that listeners can integrate specific prosodic and distributional cues when segmenting speech. An ERP component related to word-stress cues was identified: stressed syllables elicited larger amplitudes in the P2 component than unstressed ones.
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影响因子：
2
作者：
Atienza, M;Cantero, JL;Dominguez-Marin, E
通讯作者：
Dominguez-Marin, E
影响因子：
4.3
作者：
CUTLER, A;BUTTERFIELD, S
通讯作者：
BUTTERFIELD, S
DOI：
10.1073/pnas.90.12.5718
发表时间：
1993-06-15
影响因子：
11.1
作者：
AHISSAR, M;HOCHSTEIN, S
通讯作者：
HOCHSTEIN, S
DOI：
10.1016/j.cogbrainres.2004.03.007
发表时间：
2004-07-01
期刊：
COGNITIVE BRAIN RESEARCH
影响因子：
--
作者：
Friedrich, CK;Kotz, SA;Alter, K
通讯作者：
Alter, K
影响因子：
4.3
作者：
PALLIER, C;SEBASTIANGALLES, N;MEHLER, J
通讯作者：
MEHLER, J