Touch can change visual slant perception

Marc O. Ernst; Martin S. Banks; Heinrich H. Bülthoff

doi:10.1038/71140

Touch can change visual slant perception

Marc O. Ernst, Martin S. Banks, Heinrich H. Bülthoff

Research output: Contribution to journal › Article › peer-review

181 Citations (Scopus)

Abstract

The visual system uses several signals to deduce the three-dimensional structure of the environment, including binocular disparity, texture gradients, shading and motion parallax. Although each of these sources of information is independently insufficient to yield reliable three-dimensional structure from everyday scenes, the visual system combines them by weighing the available information; altering the weights would therefore change the perceived structure. We report that haptic feedback (active touch) increases the weight of a consistent surface-slant signal relative to inconsistent signals. Thus, appearance of a subsequently viewed surface is changed: the surface appears slanted in the direction specified by the haptically reinforced signal.

Original language	English
Pages (from-to)	69-73
Number of pages	5
Journal	Nature Neuroscience
Volume	3
Issue number	1
DOIs	https://doi.org/10.1038/71140
Publication status	Published - 2000 Jan

Bibliographical note

Funding Information:
This research was supported by NSF grant (DBS-9309820) and AFOSR grant (93NL366) to M.S.B. and by the Max-Planck Society. The authors thank Robert Cooper and Mike Landy for comments.

ASJC Scopus subject areas

General Neuroscience

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10.1038/71140

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abstract = "The visual system uses several signals to deduce the three-dimensional structure of the environment, including binocular disparity, texture gradients, shading and motion parallax. Although each of these sources of information is independently insufficient to yield reliable three-dimensional structure from everyday scenes, the visual system combines them by weighing the available information; altering the weights would therefore change the perceived structure. We report that haptic feedback (active touch) increases the weight of a consistent surface-slant signal relative to inconsistent signals. Thus, appearance of a subsequently viewed surface is changed: the surface appears slanted in the direction specified by the haptically reinforced signal.",

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Touch can change visual slant perception

Abstract

Bibliographical note

ASJC Scopus subject areas

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