HapticV1, Ncbi, Checkpoint, bibRecord, 001157

PERCEPTUAL LEARNING OF VIEW-INDEPENDENCE IN VISUO-HAPTIC OBJECT REPRESENTATIONS

Identifieur interne : 001157 ( Ncbi/Checkpoint ); précédent : 001156; suivant : 001158

PERCEPTUAL LEARNING OF VIEW-INDEPENDENCE IN VISUO-HAPTIC OBJECT REPRESENTATIONS

Auteurs : Simon Lacey [États-Unis] ; Marisa Pappas [États-Unis] ; Alexandra Kreps [États-Unis] ; Kevin Lee [États-Unis] ; K. Sathian [États-Unis]

Source :

Experimental brain research. Experimentelle Hirnforschung. Experimentation cerebrale [ 0014-4819 ] ; 2009.

RBID : PMC:2987670

English descriptors

KwdEn :
- Analysis of Variance, Female, Humans, Learning, Male, Models, Psychological, Photic Stimulation, Physical Stimulation, Psychophysics, Recognition (Psychology), Rotation, Sex Characteristics, Touch Perception, Visual Perception, Young Adult.
MESH :
- Analysis of Variance, Female, Humans, Learning, Male, Models, Psychological, Photic Stimulation, Physical Stimulation, Psychophysics, Recognition (Psychology), Rotation, Sex Characteristics, Touch Perception, Visual Perception, Young Adult.

Abstract

We previously showed that cross-modal recognition of unfamiliar objects is view-independent, in contrast to view-dependence within-modally, in both vision and haptics. Does the view-independent, bisensory representation underlying cross-modal recognition arise from integration of unisensory, view-dependent representations or intermediate, unisensory but view-independent representations? Two psychophysical experiments sought to distinguish between these alternative models. In both experiments, participants began from baseline, within-modal, view-dependence for object recognition in both vision and haptics. The first experiment induced within-modal view-dependence by perceptual learning, which was completely and symmetrically transferred cross-modally: visual view-independence acquired through visual learning also resulted in haptic view-independence and vice versa. In the second experiment, both visual and haptic view-dependence were transformed to view-independence by either haptic-visual or visual-haptic cross-modal learning. We conclude that cross-modal view-independence fits with a model in which unisensory view-dependent representations are directly integrated into a bisensory, view-independent representation, rather than via intermediate, unisensory, view-independent representations.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2987670

DOI: 10.1007/s00221-009-1856-8
PubMed: 19484467
PubMed Central: 2987670

Affiliations:

Links to Exploration step

PMC:2987670

Le document en format XML

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<front><div type="abstract" xml:lang="en"><p id="P1">We previously showed that cross-modal recognition of unfamiliar objects is view-independent, in contrast to view-dependence within-modally, in both vision and haptics. Does the view-independent, bisensory representation underlying cross-modal recognition arise from integration of unisensory, view-dependent representations or intermediate, unisensory but view-independent representations? Two psychophysical experiments sought to distinguish between these alternative models. In both experiments, participants began from baseline, within-modal, view-dependence for object recognition in both vision and haptics. The first experiment induced within-modal view-dependence by perceptual learning, which was completely and symmetrically transferred cross-modally: visual view-independence acquired through visual learning also resulted in haptic view-independence and vice versa. In the second experiment, both visual and haptic view-dependence were transformed to view-independence by either haptic-visual or visual-haptic cross-modal learning. We conclude that cross-modal view-independence fits with a model in which unisensory view-dependent representations are directly integrated into a bisensory, view-independent representation, rather than via intermediate, unisensory, view-independent representations.</p>
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Serveur d'exploration sur les dispositifs haptiques

PERCEPTUAL LEARNING OF VIEW-INDEPENDENCE IN VISUO-HAPTIC OBJECT REPRESENTATIONS

PERCEPTUAL LEARNING OF VIEW-INDEPENDENCE IN VISUO-HAPTIC OBJECT REPRESENTATIONS

Source :

English descriptors

Abstract

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