HapticV1, PascalFrancis, Curation, bibRecord, 000790

Role of force cues in the haptic estimations of a virtual length

Identifieur interne : 000790 ( PascalFrancis/Curation ); précédent : 000789; suivant : 000791

Role of force cues in the haptic estimations of a virtual length

Auteurs : Pierre Wydoodt [France] ; Edouard Gentaz [France] ; Arlette Streri [France]

Source :

Experimental brain research [ 0014-4819 ] ; 2006.

RBID : Pascal:06-0289217

Descripteurs français

Pascal (Inist)
- Force, Estimation, Bâtonnet, Perception haptique.

English descriptors

KwdEn :
- Estimation, Force, Haptic perception, Rod.

Abstract

This study investigated whether and how the force cues play a role in the haptic perception of length. We assumed that the introduction of a dynamic disruption during haptic exploration generated by a haptic display would lead to a systematic bias in the estimation of a virtual length. Two types of "opposition" disruption ("elastic" and "viscous") were proposed in Experiments 1 and 2, and two types of "traction" disruption ("fluid" and "full") in Experiments 3 and 4. In all experiments, blindfolded adults were asked to compare two lengths of virtual rods explored with the right index. Results revealed an underestimation of the length with elastic and viscous opposition disruptions and an over-estimation of this length with fluid and full-traction disruptions. No systematic bias in the estimation was observed in the "control" sessions in which the active exploration of the segment was "normal" (i.e. not disrupted). These results suggest that the forces produced during exploratory movements are used as a relevant cue in the haptic length estimation.

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A11	`01`	`1`		`@1 WYDOODT (Pierre)`
A11	`02`	`1`		`@1 GENTAZ (Edouard)`
A11	`03`	`1`		`@1 STRERI (Arlette)`
A14	`01`			`@1 Laboratoire Psychologie et Neurocognition, Université Pierre Mendès France @2 38040 Grenoble @3 FRA @Z 1 aut. @Z 2 aut.`
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C01	`01`		`ENG`	@0 This study investigated whether and how the force cues play a role in the haptic perception of length. We assumed that the introduction of a dynamic disruption during haptic exploration generated by a haptic display would lead to a systematic bias in the estimation of a virtual length. Two types of "opposition" disruption ("elastic" and "viscous") were proposed in Experiments 1 and 2, and two types of "traction" disruption ("fluid" and "full") in Experiments 3 and 4. In all experiments, blindfolded adults were asked to compare two lengths of virtual rods explored with the right index. Results revealed an underestimation of the length with elastic and viscous opposition disruptions and an over-estimation of this length with fluid and full-traction disruptions. No systematic bias in the estimation was observed in the "control" sessions in which the active exploration of the segment was "normal" (i.e. not disrupted). These results suggest that the forces produced during exploratory movements are used as a relevant cue in the haptic length estimation.
C02	`01`	`X`		`@0 002B09K`
C02	`02`	`X`		`@0 002A25E`
C03	`01`	`X`	`FRE`	`@0 Force @5 01`
C03	`01`	`X`	`ENG`	`@0 Force @5 01`
C03	`01`	`X`	`SPA`	`@0 Fuerza @5 01`
C03	`02`	`X`	`FRE`	`@0 Estimation @5 02`
C03	`02`	`X`	`ENG`	`@0 Estimation @5 02`
C03	`02`	`X`	`SPA`	`@0 Estimación @5 02`
C03	`03`	`X`	`FRE`	`@0 Bâtonnet @5 03`
C03	`03`	`X`	`ENG`	`@0 Rod @5 03`
C03	`03`	`X`	`SPA`	`@0 Bastoncillo @5 03`
C03	`04`	`X`	`FRE`	`@0 Perception haptique @4 CD @5 96`
C03	`04`	`X`	`ENG`	`@0 Haptic perception @4 CD @5 96`
N21				`@1 184`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Pascal:06-0289217

Le document en format XML

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Role of force cues in the haptic estimations of a virtual length

Role of force cues in the haptic estimations of a virtual length

Source :

Descripteurs français

English descriptors

Abstract

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

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