"Haptic Integration of Planar Size with Hardness, Texture, and Planar C" by Catherine L. Reed, Susan Lederman et al.
 

Haptic Integration of Planar Size with Hardness, Texture, and Planar Contour.

Document Type

Article

Department

Psychology (CMC)

Publication Date

12-1990

Abstract

Three experiments involving a total of 75 college students investigated the role of size information in haptic classification of custom-made planar objects when size covaries with hardness, texture, or planar contour. Exp 1 showed facilitation of classification by redundant (RD) size and shape cues, indicating the coprocessing of size and shape. Exps 2 and 3 used a withdrawal paradigm: Classification trials began with 2 RD properties, and 1 was then held constant (withdrawn). Exp 2 showed that when size and shape were RD, withdrawal of either impaired responses, whereas when size was RD with texture or hardness, only size withdrawal had an effect. Exp 3 demonstrated that this size weighting was not restricted to a single procedure for exploration.

Rights Information

© 1990 Canadian Psychological Association

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