HapticV1, Main, Exploration, bibRecordById, Pascal:02-0095279

Haptic perception of parallelity in the midsagittal plane

Identifieur interne : 007371 ( Main/Exploration ); précédent : 007370; suivant : 007372

Haptic perception of parallelity in the midsagittal plane

Auteurs : Astrid M. L. Kappers [Pays-Bas]

Source :

Acta psychologica [ 0001-6918 ] ; 2002.

RBID : Pascal:02-0095279

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Sensibilité tactile, Perception espace, Orientation spatiale, Perception, Homme, Cadre référence.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Adolescent, Distance Perception, Experimental study, Frame of reference, Human, Humans, Perception, Random Allocation, Space Perception (physiology), Space perception, Spatial orientation, Tactile sensitivity.
MESH :
- physiology : Space Perception.
- Adolescent, Distance Perception, Humans, Random Allocation.

Abstract

Previous studies [Perception 28 (1999) 1001; Perception 28 (1999) 781] on the haptic perception of parallelity on a horizontal plane showed that what subjects haptically perceive as being parallel deviates considerably from what is physically parallel. The deviations could be described with a subject-dependent orientation gradient in the left-right direction. The gradients found in the bimanual conditions were significantly larger (about 70%) than those in the unimanual conditions. The questions to be answered in the present study are the following: (1) Does the haptic perception of parallelity in the midsagittal plane also show systematic deviations from veridicality? (2) Are the unimanual and bimanual performances again quantitatively but not qualitatively different? The set-up consisted of a plate positioned in the midsagittal plane of the subject. The subject touched the right side of the plate with his/her right hand and the left side with the left hand. The results show again large systematic deviations. The major part of the deviations can be described by means of a subject-dependent orientation gradient in the vertical direction. The quantitative (but not qualitative) difference between the unimanual and the bimanual conditions is much larger in the midsagittal plane than in the horizontal plane.

Affiliations:

Pays-Bas

Le document en format XML

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<term>Sensibilité tactile</term>
<term>Perception espace</term>
<term>Orientation spatiale</term>
<term>Perception</term>
<term>Homme</term>
<term>Cadre référence</term>
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<front><div type="abstract" xml:lang="en">Previous studies [Perception 28 (1999) 1001; Perception 28 (1999) 781] on the haptic perception of parallelity on a horizontal plane showed that what subjects haptically perceive as being parallel deviates considerably from what is physically parallel. The deviations could be described with a subject-dependent orientation gradient in the left-right direction. The gradients found in the bimanual conditions were significantly larger (about 70%) than those in the unimanual conditions. The questions to be answered in the present study are the following: (1) Does the haptic perception of parallelity in the midsagittal plane also show systematic deviations from veridicality? (2) Are the unimanual and bimanual performances again quantitatively but not qualitatively different? The set-up consisted of a plate positioned in the midsagittal plane of the subject. The subject touched the right side of the plate with his/her right hand and the left side with the left hand. The results show again large systematic deviations. The major part of the deviations can be described by means of a subject-dependent orientation gradient in the vertical direction. The quantitative (but not qualitative) difference between the unimanual and the bimanual conditions is much larger in the midsagittal plane than in the horizontal plane.</div>
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Serveur d'exploration sur les dispositifs haptiques

Haptic perception of parallelity in the midsagittal plane

Haptic perception of parallelity in the midsagittal plane

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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