Perceptual Modification - 1st Edition - ISBN: 9780127418506, 9781483274782

Perceptual Modification

1st Edition

Adapting to Altered Sensory Environments

Authors: Robert B. Welch
Editors: Edward C. Carterette Morton P. Friedman
eBook ISBN: 9781483274782
Imprint: Academic Press
Published Date: 28th June 1978
Page Count: 362
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Description

Perceptual Modification: Adapting to Altered Sensory Environments is about the study of human perception using a particular research strategy: the systematic alteration of vision or audition. It is assumed that by observing how the sensory apparatus copes with this disturbance it will be possible to formulate valuable hypotheses about the structure and development of ""normal"" perception and perceptual-motor coordination. The specific goals of this book are, first, to organize the vast and confusing literature on adaptation to perceptual rearrangement and, second, to assess its contribution to the understanding of ""normal"" perception and perceptual learning. The book begins with discussions of adaptation to small prism-induced displacements of the visual field. Separate chapters follow on the proposition that adaptation to prismatic displacement and other forms of rearrangement is actually a form of learning; adaptation to inverted and reversed vision; optical tilt; illusory motions of the visual field; size-depth distortions; and distortions of form. Subsequent chapters deal with studies of auditory rearrangement; examine individual and interspecies differences in adaptability; and the study of adaptation to the visual distortions encountered by the underwater observer. The book is written for researchers and graduate students in experimental psychology. It will be of value and interest whether the reader is a specialist in the area of perceptual modification, or indeed a generalist.

Table of Contents


Preface

1 Introduction

The Early Experiments

The Experimental Paradigm

The Definition of Adaptation to Perceptual Rearrangement

Later Studies

The Specific Aims of Rearrangement Research

The Organization of the Book

2 Adaptation to Prismatic Displacement: Necessary and Sufficient Conditions

The Visual Effects of a Wedge Prism

Common Varieties of Prism Exposure

The Necessity of a Stable Rearrangement

Assumptions about and Awareness

The Perceptual Situation

The Role of Bodily Movement

Informational Sources of Prism Adaptation

Summary and Conclusions

Addendum: a Comparison of Visual and Tactual Feedback as Sources of Prism Adaptation

3 Adaptation to Prismatic Displacement: End Products

The Immediate Effects of Prism Exposure

The Long-Term Effects of Prism Exposure

Summary and Conclusions

4 Adaptation as Learning

Characteristics of Learning and Adaptation

The Effect of "Learning Variables"

Necessary Conditions: the Motivation for Adaptation

Summary and Conclusions

5 Adaptation to Visual Transposition

The "Problem" of the Inverted Retinal Image

Studies of Transposed Vision

A Hypothetical Subject's Initial Experience with Optical Inversion

Three Aspects of Spatial Vision

The Response of a Hypothetical Subject to Optical Inversion

Reports from Actual Subjects

Why so Little Evidence of Visual Adaptation?

Theories of Visual Adaptation to Optical Transposition

Summary and Conclusions

6 Adaptation to Optically Induced Tilt

Environmental versus Egocentric Orientation

The Isolation of Adaptive Changes

Egocentric Orientation

The Problem of "Configurational Adaptation"

Genuine Optical Tilt Adaptation

General Findings and Theories of Optical Tilt Adaptation

Summary and Conclusions

7 Adaptation to the Loss of Visual Stability

The Constancy of Visual Direction and Visual Position

Mechanisms of Visual Direction Constancy (VDC)

Mechanisms of Visual Position Constancy (VPC)

Adaptation to the Loss of Visual Direction and Position Constancy

Summary and Conclusions

8 Adaptation to Distortions of Depth, Distance, and Size

Adaptation to Distortions of Depth

Adaptation to Distortions of Distance

Adaptation to Distortions of Size

Summary and Conclusions

9 Adaptation to Distortions of Form

Adaptation to Prismatically Induced Curvature

Adaptation to Distortions of Closed Figures

Summary and Conclusions

10 Adaptation to Auditory Rearrangement

The Early Studies

Later Studies

The Relationship Between Visual and Auditory Adaptation

Summary and Conclusions

11 Interspecies and Individual Differences in Adaptability

Adaptation in Nonhuman Organisms

Individual Differences in Human Subjects

12 Adaptation to Underwater Distortions

Varieties of Underwater Optical Distortion

Visual Experience Underwater

"Immediate" Adaptation to Underwater Distortions

"Long-Term" Adaptation to Underwater Distortions

Summary and Conclusions

13 Conclusions: What Have We Learned?

The Nature of Perceptual and Perceptual-Motor Plasticity

The Nature-Nurture Issue

Contributions to the Understanding of Perception and Perceptual-Motor Coordination

References

Author Index

Subject Index

Details

No. of pages:
362
Language:
English
Copyright:
© Academic Press 1978
Published:
Imprint:
Academic Press
eBook ISBN:
9781483274782

About the Author

Robert B. Welch

About the Editor

Edward C. Carterette

Morton P. Friedman

Ratings and Reviews