Connection between movements of mouth and hand : Perspectives on development and evolution of speech

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Vainio , L 2019 , ' Connection between movements of mouth and hand : Perspectives on development and evolution of speech ' , Neuroscience & Biobehavioral Reviews , vol. 100 , pp. 211-223 . https://doi.org/10.1016/j.neubiorev.2019.03.005

Title: Connection between movements of mouth and hand : Perspectives on development and evolution of speech
Author: Vainio, Lari
Other contributor: University of Helsinki, Helsinki Collegium for Advanced Studies



Date: 2019-05
Language: eng
Number of pages: 13
Belongs to series: Neuroscience & Biobehavioral Reviews
ISSN: 0149-7634
DOI: https://doi.org/10.1016/j.neubiorev.2019.03.005
URI: http://hdl.handle.net/10138/319309
Abstract: Mounting evidence shows interaction between manipulative hand movements and movements of tongue, lips and mouth in a vocal and non-vocal context. The current article reviews this evidence and discusses its contribution to perspectives of development and evolution of speech. In particular, the article aims to present novel insight on how processes controlling the two primary grasp components of manipulative hand movements, the precision and power grip, might be systematically connected to motor processes involved in producing certain articulatory gestures. This view assumes that due to these motor overlaps between grasping and articulation, development of these grip types in infancy can facilitate development of specific articulatory gestures. In addition, the hand-mouth connections might have even boosted the evolution of some articulatory gestures. This account also proposes that some semantic sound-symbolic pairings between a speech sound and a referent concept might be partially based on these hand-mouth interactions.
Subject: Speech
Articulation
Manual movements
Grasping
Speech development
Speech evolution
VENTRAL PREMOTOR CORTEX
PRIMARY MOTOR CORTEX
ARTICULATORY GESTURES
LANGUAGE IMPAIRMENT
OBJECT MANIPULATION
ACTION RECOGNITION
MIRROR NEURONS
MACAQUE MONKEY
BABKIN REFLEX
INFANTS
515 Psychology
6121 Languages
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