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Visuomotor modules in the vertebrate brain.
Can J Physiol Pharmacol. 1996 Apr; 74(4):390-400.CJ

Abstract

Most accounts of vision assume that its function is largely perceptual, providing an internal model or representation of the external world that serves as the visual foundation for thought and action. However, the evolutionary origins of vision are not representational. Vision evolved not to provide perception of the world but to provide distal control of the many different movements that animals make. Moreover, many of these visuomotor control systems are quite modular in their input-output organization. In humans and other primates, these visuomotor modules function quite independently from the neural mechanisms mediating perception-based knowledge of the world. This division of labour between action systems and perception systems can be seen in the organization of the visual pathways in the primate cerebral cortex. The ventral stream of projections from striate cortex to inferotemporal cortex is critical to the visual perception of objects and is intimately connected with the cognitive operations, while the dorsal stream projecting from striate cortex to the posterior parietal region is essential for the required visuomotor transformations for the on-line control of skilled actions directed at those objects. The perceptual representations constructed by the ventral stream allow us to select a particular course of action with respect to objects and events in the world; the visuomotor transformations carried out by the dorsal stream allow us to program and direct any visually guided movements that are required to carry out that course of action. Thus, to understand the organization of the visual system(s), it is necessary to understand the requirements of the different output systems that vision serves.

Authors+Show Affiliations

Department of Psychology, University of Western Ontario, London, Canada.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Review

Language

eng

PubMed ID

8828886

Citation

Goodale, M A.. "Visuomotor Modules in the Vertebrate Brain." Canadian Journal of Physiology and Pharmacology, vol. 74, no. 4, 1996, pp. 390-400.
Goodale MA. Visuomotor modules in the vertebrate brain. Can J Physiol Pharmacol. 1996;74(4):390-400.
Goodale, M. A. (1996). Visuomotor modules in the vertebrate brain. Canadian Journal of Physiology and Pharmacology, 74(4), 390-400.
Goodale MA. Visuomotor Modules in the Vertebrate Brain. Can J Physiol Pharmacol. 1996;74(4):390-400. PubMed PMID: 8828886.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Visuomotor modules in the vertebrate brain. A1 - Goodale,M A, PY - 1996/4/1/pubmed PY - 1996/4/1/medline PY - 1996/4/1/entrez SP - 390 EP - 400 JF - Canadian journal of physiology and pharmacology JO - Can J Physiol Pharmacol VL - 74 IS - 4 N2 - Most accounts of vision assume that its function is largely perceptual, providing an internal model or representation of the external world that serves as the visual foundation for thought and action. However, the evolutionary origins of vision are not representational. Vision evolved not to provide perception of the world but to provide distal control of the many different movements that animals make. Moreover, many of these visuomotor control systems are quite modular in their input-output organization. In humans and other primates, these visuomotor modules function quite independently from the neural mechanisms mediating perception-based knowledge of the world. This division of labour between action systems and perception systems can be seen in the organization of the visual pathways in the primate cerebral cortex. The ventral stream of projections from striate cortex to inferotemporal cortex is critical to the visual perception of objects and is intimately connected with the cognitive operations, while the dorsal stream projecting from striate cortex to the posterior parietal region is essential for the required visuomotor transformations for the on-line control of skilled actions directed at those objects. The perceptual representations constructed by the ventral stream allow us to select a particular course of action with respect to objects and events in the world; the visuomotor transformations carried out by the dorsal stream allow us to program and direct any visually guided movements that are required to carry out that course of action. Thus, to understand the organization of the visual system(s), it is necessary to understand the requirements of the different output systems that vision serves. SN - 0008-4212 UR - https://www.unboundmedicine.com/medline/citation/8828886/Visuomotor_modules_in_the_vertebrate_brain_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=8828886.ui DB - PRIME DP - Unbound Medicine ER -
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