Touch can change visual slant perception

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

Research output: Contribution to journalArticlepeer-review

174 Citations (Scopus)


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 languageEnglish
Pages (from-to)69-73
Number of pages5
JournalNature Neuroscience
Issue number1
Publication statusPublished - 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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