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Cognitive Biology$
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Gennaro Auletta

Print publication date: 2011

Print ISBN-13: 9780199608485

Published to Oxford Scholarship Online: September 2011

DOI: 10.1093/acprof:oso/9780199608485.001.0001

Vision

Chapter:
(p. 104 ) 4 Vision
Source:
Cognitive Biology
Author(s):

Gennaro Auletta

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199608485.003.0005

There are two different visual systems: one for perceiving form and colour, the other for dealing with objects’ motion. The steps of visual information processing are scrutinized and it is shown that, although a certain mapping (retinotopy) with the external environment is maintained in the first stages, in subsequent stages the feedback coming from higher-level processing regions determines a sophisticated object construction. Both a pure reductionist view and a holist view are insufficient and need to be integrated.

Keywords:   rods, cones, retinotopy, form, motion, gestalt, element, object

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