Effect of syllable articulation on precision and power grip performance.
Effect of syllable articulation on precision and power grip performance.
复制标题
音节表达对精度和功率抓地力性能的影响。
DOI：
10.1371/journal.pone.0053061
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发表时间：
2013
期刊：
影响因子：
3.7
通讯作者：
Vainio M
中科院分区：
文献类型：
--
作者：
Vainio L;Schulman M;Tiippana K;Vainio M
The present study was motivated by a theory, which proposes that speech includes articulatory gestures that are connected to particular hand actions. We hypothesized that certain articulatory gestures would be more associated with the precision grip than with the power grip, and vice versa. In the study, the participants pronounced a syllable and performed simultaneously a precision or power grip that was theorized to be either congruent or incongruent with the syllable. Relatively fast precision grip responses were associated with articulatory gestures in which the tip of the tongue contacted the alveolar ridge ([te]) or the aperture of the vocal tract remained small ([hi]), as well as gestures that required lip protrusion ([pu]). In contrast, relatively fast power grip responses were associated with gestures that were produced by moving the back of the tongue against the velum ([ke]) or in which the aperture of the vocal tract remained large ([hα]). In addition to demonstrating that certain articulatory gestures are systematically connected to different grip types, the study may shed some light on discussion concerning sound symbolism and evolution of speech.
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