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Integration of length and curvature in haptic perception.

Identifieur interne : 000767 ( PubMed/Corpus ); précédent : 000766; suivant : 000768

Integration of length and curvature in haptic perception.

Auteurs : Virjanand Panday ; Wouter M Bergmann Tiest ; Astrid M L. Kappers

Source :

RBID : pubmed:24457258

English descriptors

Abstract

We investigated if and how length and curvature information are integrated when an object is explored in one hand. Subjects were asked to explore four types of objects between thumb and index finger. Objects differed in either length, curvature, both length and curvature correlated as in a circle, or anti-correlated. We found that when both length and curvature are present, performance is significantly better than when only one of the two cues is available. Therefore, we conclude that there is integration of length and curvature. Moreover, if the two cues are correlated in a circular cross-section instead of in an anti-correlated way, performance is better than predicted by a combination of two independent cues. We conclude that integration of curvature and length is highly efficient when the cues in the object are combined as in a circle, which is the most common combination of curvature and length in daily life.

DOI: 10.1038/srep03856
PubMed: 24457258

Links to Exploration step

pubmed:24457258

Le document en format XML

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