Chapter

Vision

Gennaro Auletta

in Cognitive Biology

Published in print July 2011 | ISBN: 9780199608485
Published online September 2011 | e-ISBN: 9780191729539 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199608485.003.0005
Vision

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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

Chapter.  13205 words.  Illustrated.

Subjects: Physics

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