Selective Influences of Precision and Power Grips on Speech Categorization

Mikko Tiainen, Kaisa Tiippana, Martti Vainio, Tarja Peromaa, Naeem Komeilipoor and Lari Vainio

PLOS ONE, 2016, vol. 11, issue 3, 1-14

Abstract: Recent studies have shown that articulatory gestures are systematically associated with specific manual grip actions. Here we show that executing such actions can influence performance on a speech-categorization task. Participants watched and/or listened to speech stimuli while executing either a power or a precision grip. Grip performance influenced the syllable categorization by increasing the proportion of responses of the syllable congruent with the executed grip (power grip—[ke] and precision grip—[te]). Two follow-up experiments indicated that the effect was based on action-induced bias in selecting the syllable.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0151688

DOI: 10.1371/journal.pone.0151688

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