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The visual and haptic perception of natural object shape

Identifieur interne : 006B05 ( Main/Exploration ); précédent : 006B04; suivant : 006B06

The visual and haptic perception of natural object shape

Auteurs : J. Farley Norman [États-Unis] ; Hideko F. Norman [États-Unis] ; Anna Marie Clayton [États-Unis] ; Joann Lianekhammy [États-Unis] ; Gina Zielke [États-Unis]

Source :

Perception & psychophysics [ 0031-5117 ] ; 2004.

RBID : Pascal:04-0209973

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Vision, Sensibilité tactile, Forme stimulus, Perception espace, Espace 3 dimensions, Perception intermodale, Cognition, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Cognition, Experimental study, Form Perception, Human, Humans, Intermodal perception, Recognition (Psychology), Space perception, Stimulus shape, Tactile sensitivity, Three dimensional space, Touch, Vision, Visual Perception.
MESH :
- Form Perception, Humans, Recognition (Psychology), Touch, Visual Perception.

Abstract

In this study, we evaluated observers' ability to compare naturally shaped three-dimensional (3-D) objects, using their senses of vision and touch. In one experiment, the observers haptically manipulated 1 object and then indicated which of 12 visible objects possessed the same shape. In the second experiment, pairs of objects were presented, and the observers indicated whether their 3-D shape was the same or different. The 2 objects were presented either unimodally (vision-vision or haptic-haptic) or cross-modally (vision-haptic or haptic-vision). In both experiments, the observers were able to compare 3-D shape across modalities with reasonably high levels of accuracy. In Experiment 1, for example, the observers' matching performance rose to 72% correct (chance performance was 8.3%) after five experimental sessions. In Experiment 2, small (but significant) differences in performance were obtained between the unimodal vision-vision condition and the two cross-modal conditions. Taken together, the results suggest that vision and touch have functionally overlapping, but not necessarily equivalent, representations of 3-D shape.

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">In this study, we evaluated observers' ability to compare naturally shaped three-dimensional (3-D) objects, using their senses of vision and touch. In one experiment, the observers haptically manipulated 1 object and then indicated which of 12 visible objects possessed the same shape. In the second experiment, pairs of objects were presented, and the observers indicated whether their 3-D shape was the same or different. The 2 objects were presented either unimodally (vision-vision or haptic-haptic) or cross-modally (vision-haptic or haptic-vision). In both experiments, the observers were able to compare 3-D shape across modalities with reasonably high levels of accuracy. In Experiment 1, for example, the observers' matching performance rose to 72% correct (chance performance was 8.3%) after five experimental sessions. In Experiment 2, small (but significant) differences in performance were obtained between the unimodal vision-vision condition and the two cross-modal conditions. Taken together, the results suggest that vision and touch have functionally overlapping, but not necessarily equivalent, representations of 3-D shape.</div>
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Serveur d'exploration sur les dispositifs haptiques

The visual and haptic perception of natural object shape

The visual and haptic perception of natural object shape

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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