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Viewpoint-Dependent Mechanisms in Visual Object Recognition: Reply to Tarr and Būlthoff (1995)

Viewpoint-Dependent Mechanisms in Visual Object Recognition: Reply to Tarr and Būlthoff (1995) I. Biederman and P. C. Gerhardstein (1993) demonstrated that a representation specifying a distinctive arrangement of viewpoint-invariant parts (a geon structural description, [GSD]) dramatically reduced the costs of rotation in depth. M. J. Tarr and H. H. Būlthoff (1995) attempt to make a case for viewpoint-dependent mechanisms, such as mental rotation. Their suggestion that GSDs enjoy no special status in reducing the effects of depth rotation is contradicted by a wealth of direct experimental evidence as well as an inadvertent experiment that found no evidence for the spontaneous employment of mental rotation. Their complaint against geon theory's account of entry-level classification rests on a mistaken and unwarranted attribution that geon theory assumes a one-to-one correspondence between GSDs and entry-level names. GSDs provide a representation that distinguishes most entry- and subordinate-level classes and explains why complex objects are described as an arrangement of viewpoint-invariant parts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Experimental Psychology: Human Perception and Performance American Psychological Association

Viewpoint-Dependent Mechanisms in Visual Object Recognition: Reply to Tarr and Būlthoff (1995)

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References (22)

Publisher
American Psychological Association
Copyright
Copyright © 1995 American Psychological Association
ISSN
0096-1523
eISSN
1939-1277
DOI
10.1037/0096-1523.21.6.1506
Publisher site
See Article on Publisher Site

Abstract

I. Biederman and P. C. Gerhardstein (1993) demonstrated that a representation specifying a distinctive arrangement of viewpoint-invariant parts (a geon structural description, [GSD]) dramatically reduced the costs of rotation in depth. M. J. Tarr and H. H. Būlthoff (1995) attempt to make a case for viewpoint-dependent mechanisms, such as mental rotation. Their suggestion that GSDs enjoy no special status in reducing the effects of depth rotation is contradicted by a wealth of direct experimental evidence as well as an inadvertent experiment that found no evidence for the spontaneous employment of mental rotation. Their complaint against geon theory's account of entry-level classification rests on a mistaken and unwarranted attribution that geon theory assumes a one-to-one correspondence between GSDs and entry-level names. GSDs provide a representation that distinguishes most entry- and subordinate-level classes and explains why complex objects are described as an arrangement of viewpoint-invariant parts.

Journal

Journal of Experimental Psychology: Human Perception and Performance – American Psychological Association

Published: Dec 1, 1995

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