Reaching and grasping with the tongue : Shared motor planning between hand actions and articulatory gestures

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Vainio , L , Tiippana , K , Tiainen , M , Rantala , A & Vainio , M 2018 , ' Reaching and grasping with the tongue : Shared motor planning between hand actions and articulatory gestures ' , The Quarterly Journal of Experimental Psychology , vol. 71 , no. 10 , pp. 2129-2141 . https://doi.org/10.1177/1747021817738732

Title: Reaching and grasping with the tongue : Shared motor planning between hand actions and articulatory gestures
Author: Vainio, Lari; Tiippana, Kaisa; Tiainen, Mikko; Rantala, Aleksi; Vainio, Martti
Other contributor: University of Helsinki, Department of Psychology and Logopedics
University of Helsinki, Medicum
University of Helsinki, Medicum
University of Helsinki, Phonetics







Date: 2018-10
Language: eng
Number of pages: 13
Belongs to series: The Quarterly Journal of Experimental Psychology
ISSN: 1747-0218
DOI: https://doi.org/10.1177/1747021817738732
URI: http://hdl.handle.net/10138/311362
Abstract: Research has shown connections between articulatory mouth actions and manual actions. This study investigates whether forward-backward hand movements could be associated with vowel production processes that programme tongue fronting/backing, lip rounding/spreading (Experiment 1), and/or consonant production processes that programme tongue tip and tongue dorsum actions (Experiment 2). The participants had to perform either forward or backward hand movement and simultaneously pronounce different vowels or consonants. The results revealed a response benefit, measured in vocal and manual reaction times, when the responses consisted of front vowels and forward hand movements. Conversely, back vowels were associated with backward hand movements. Articulation of rounded versus unrounded vowels or coronal versus dorsal consonants did not produce the effect. In contrast, when the manual responses of forward-backward hand movements were replaced by precision and power grip responses, the coronal consonants [t] and [r] were associated with the precision grip, whereas the dorsal consonant [k] was associated with the power grip. We propose that the movements of the tongue body, operating mainly for vowel production, share the directional action planning processes with the hand movements. Conversely, the tongue articulators related to tongue tip and dorsum movements, operating mainly for consonant production, share the action planning processes with the precision and power grip, respectively.
Subject: Speech
hand movements
articulation
language evolution
behavioural study
PARIETAL CORTEX
FUNCTIONAL-ORGANIZATION
MOVEMENT
ARM
COORDINATION
CONSTRAINTS
DIRECTION
LANGUAGE
SPEECH
MOUTH
6162 Cognitive science
6161 Phonetics
515 Psychology
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