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Multisensory Control of Movement$
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Alain Berthoz

Print publication date: 1993

Print ISBN-13: 9780198547853

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780198547853.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 27 November 2020

Issues in perceptuo-motor coordination

Issues in perceptuo-motor coordination

(p.394) 24 Issues in perceptuo-motor coordination
Multisensory Control of Movement

Paolo Viviani

Natale Stucchi

Gérard Laissard

Oxford University Press

This chapter touches upon some issues concerning the coordination between visual information and motor action, and is divided into three parts. The first one deals with certain aspects of the interaction between motor processes and perception. Although this interaction has attracted the interest of both psychologists and physiologists for more than a century, unambiguous experimental data have not been abundant. The chapter illustrates a new approach to the study of this topic, which has emerged in recent years. The second part of the chapter considers the role that cognitive representations may have in establishing the interface between perceptual inputs and motor outputs, and the third part discusses the problem of the appropriate dimensionality of visuomotor control space. The issues considered in the last two sections are discussed within the context of one specific perceptuo-motor performance, namely visuomanual pursuit tracking. With the exception of touch and kinaesthesis, all perceptual systems feed on sensory data originating from organs located in the head. Moreover, in all mammals, at least one major exteroceptive sense, vision, is highly directional. As a consequence, head and eye movements are in most cases required to bring into sharp focus a specific source of information and to stabilize it against relative displacements with respect to the retina. Head and eye movements also provide the basis for active exploration of the environment. Exploratory actions generally entail sequences of movements, to each of which is associated an information intake.

Keywords:   kinaesthesis, perceptuo-motor performance, visuomanual pursuit tracking, exteroceptive sense, head movement, eye movement

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