Why We See What We Do: An Empirical Theory of Vision / Edition 1

Why We See What We Do: An Empirical Theory of Vision / Edition 1

by Dale Purves, Michael A. Wieder, R. Beau Lotto
     
 

ISBN-10: 0878937528

ISBN-13: 9780878937523

Pub. Date: 01/15/2003

Publisher: Sinauer Associates, Incorporated

This provocative book reviews a broad range of evidence leading to the conclusion that the visual system is not organized to generate a veridical representation of the physical world, but rather a statistical reflection of the visual history of the species and the individual observer. Thus, what humans actually see is a reflexive manifestation of past rather than a

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Overview

This provocative book reviews a broad range of evidence leading to the conclusion that the visual system is not organized to generate a veridical representation of the physical world, but rather a statistical reflection of the visual history of the species and the individual observer. Thus, what humans actually see is a reflexive manifestation of past rather than a logical analysis of the present. The idea that the images we consciously entertain represent the historical significance of visual stimuli follows from the inability to decipher ambiguous retinal information analytically, and has far-reaching consequences not only for vision but brain function generally. The immediate benefit of this approach is that it provides a framework by which to understand a variety of fundamental visual illusions that are otherwise difficult, if not impossible, to explain.

Product Details

ISBN-13:
9780878937523
Publisher:
Sinauer Associates, Incorporated
Publication date:
01/15/2003
Edition description:
Older Edition
Pages:
260
Product dimensions:
6.90(w) x 9.20(h) x 0.60(d)

Table of Contents

Preface
Acknowledgments
1The Basic Challenge of Vision1
2Some Pertinent Facts about the Visual System17
3Perceiving the Intensity of Light41
4Further Challenges to Rationalizing Brightness65
5Color and Its Significance89
6Perceiving the Spectral Quality of Light113
7Perceiving Spatial Relationships139
8Perceiving the World with Two Eyes161
9Perceiving Motion187
10Implications for the Mechanics of Vision207
11A Summary225
Glossary229
References247
Index259

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