HapticV1, PascalFrancis, Corpus, bibRecord, 000E12

What aspects of vision facilitate haptic processing?

Identifieur interne : 000E12 ( PascalFrancis/Corpus ); précédent : 000E11; suivant : 000E13

What aspects of vision facilitate haptic processing?

Auteurs : Susanna Millar ; Zainab Al-Attar

Source :

Brain and cognition : (Print) [ 0278-2626 ] ; 2005.

RBID : Pascal:06-0088849

Descripteurs français

Pascal (Inist)
- Vision, Perception, Sensibilité tactile, Traitement information, Modalité stimulus, Homme.

English descriptors

KwdEn :
- Human, Information processing, Perception, Stimulus modality, Tactile sensitivity, Vision.

Abstract

We investigate how vision affects haptic performance when task-relevant visual cues are reduced or excluded. The task was to remember the spatial location of six landmarks that were explored by touch in a tactile map. Here, we use specially designed spectacles that simulate residual peripheral vision, tunnel vision, diffuse light perception, and total blindness. Results for target locations differed, suggesting additional effects from adjacent touch cues. These are discussed. Touch with full vision was most accurate, as expected. Peripheral and tunnel vision, which reduce visuo-spatial cues, differed in error pattern. Both were less accurate than full vision, and significantly more accurate than touch with diffuse light perception, and touch alone. The important finding was that touch with diffuse light perception, which excludes spatial cues, did not differ from touch without vision in performance accuracy, nor in location error pattern. The contrast between spatially relevant versus spatially irrelevant vision provides new, rather decisive, evidence against the hypothesis that vision affects haptic processing even if it does not add task-relevant information. The results support optimal integration theories, and suggest that spatial and non-spatial aspects of vision need explicit distinction in bimodal studies and theories of spatial integration.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`01`	`1`		`@1 MILLAR (Susanna)`
A11	`02`	`1`		`@1 AL-ATTAR (Zainab)`
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C01	`01`		`ENG`	@0 We investigate how vision affects haptic performance when task-relevant visual cues are reduced or excluded. The task was to remember the spatial location of six landmarks that were explored by touch in a tactile map. Here, we use specially designed spectacles that simulate residual peripheral vision, tunnel vision, diffuse light perception, and total blindness. Results for target locations differed, suggesting additional effects from adjacent touch cues. These are discussed. Touch with full vision was most accurate, as expected. Peripheral and tunnel vision, which reduce visuo-spatial cues, differed in error pattern. Both were less accurate than full vision, and significantly more accurate than touch with diffuse light perception, and touch alone. The important finding was that touch with diffuse light perception, which excludes spatial cues, did not differ from touch without vision in performance accuracy, nor in location error pattern. The contrast between spatially relevant versus spatially irrelevant vision provides new, rather decisive, evidence against the hypothesis that vision affects haptic processing even if it does not add task-relevant information. The results support optimal integration theories, and suggest that spatial and non-spatial aspects of vision need explicit distinction in bimodal studies and theories of spatial integration.
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Format Inist (serveur)

NO :	PASCAL 06-0088849 INIST
ET :	What aspects of vision facilitate haptic processing?
AU :	MILLAR (Susanna); AL-ATTAR (Zainab)
AF :	Department of Experimental Psychology, University of Oxford/Oxford OX1 3UD/Royaume-Uni (1 aut., 2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Brain and cognition : (Print); ISSN 0278-2626; Coden BRCOEI; Etats-Unis; Da. 2005; Vol. 59; No. 3; Pp. 258-268; Bibl. 1 p.1/4
LA :	Anglais
EA :	We investigate how vision affects haptic performance when task-relevant visual cues are reduced or excluded. The task was to remember the spatial location of six landmarks that were explored by touch in a tactile map. Here, we use specially designed spectacles that simulate residual peripheral vision, tunnel vision, diffuse light perception, and total blindness. Results for target locations differed, suggesting additional effects from adjacent touch cues. These are discussed. Touch with full vision was most accurate, as expected. Peripheral and tunnel vision, which reduce visuo-spatial cues, differed in error pattern. Both were less accurate than full vision, and significantly more accurate than touch with diffuse light perception, and touch alone. The important finding was that touch with diffuse light perception, which excludes spatial cues, did not differ from touch without vision in performance accuracy, nor in location error pattern. The contrast between spatially relevant versus spatially irrelevant vision provides new, rather decisive, evidence against the hypothesis that vision affects haptic processing even if it does not add task-relevant information. The results support optimal integration theories, and suggest that spatial and non-spatial aspects of vision need explicit distinction in bimodal studies and theories of spatial integration.
CC :	002A26E05; 002A26E03
FD :	Vision; Perception; Sensibilité tactile; Traitement information; Modalité stimulus; Homme
ED :	Vision; Perception; Tactile sensitivity; Information processing; Stimulus modality; Human
SD :	Visión; Percepción; Sensibilidad tactil; Procesamiento información; Modalidad estímulo; Hombre
LO :	INIST-19677.354000135027040050
ID :	06-0088849

Links to Exploration step

Pascal:06-0088849

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<front><div type="abstract" xml:lang="en">We investigate how vision affects haptic performance when task-relevant visual cues are reduced or excluded. The task was to remember the spatial location of six landmarks that were explored by touch in a tactile map. Here, we use specially designed spectacles that simulate residual peripheral vision, tunnel vision, diffuse light perception, and total blindness. Results for target locations differed, suggesting additional effects from adjacent touch cues. These are discussed. Touch with full vision was most accurate, as expected. Peripheral and tunnel vision, which reduce visuo-spatial cues, differed in error pattern. Both were less accurate than full vision, and significantly more accurate than touch with diffuse light perception, and touch alone. The important finding was that touch with diffuse light perception, which excludes spatial cues, did not differ from touch without vision in performance accuracy, nor in location error pattern. The contrast between spatially relevant versus spatially irrelevant vision provides new, rather decisive, evidence against the hypothesis that vision affects haptic processing even if it does not add task-relevant information. The results support optimal integration theories, and suggest that spatial and non-spatial aspects of vision need explicit distinction in bimodal studies and theories of spatial integration.</div>
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	Serveur d'exploration sur les dispositifs haptiques
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What aspects of vision facilitate haptic processing?

What aspects of vision facilitate haptic processing?

Source :

Descripteurs français

English descriptors

Abstract

Notice en format standard (ISO 2709)

Format Inist (serveur)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri