HapticV1, Main, Merge, bibRecord, 006945

Examining the crossmodal consequences of viewing the Muller-Lyer illusion

Identifieur interne : 006945 ( Main/Merge ); précédent : 006944; suivant : 006946

Examining the crossmodal consequences of viewing the Muller-Lyer illusion

Auteurs : Alberto Gallace [Italie] ; Charles Spence [Royaume-Uni]

Source :

Experimental brain research [ 0014-4819 ] ; 2005.

RBID : Pascal:06-0334857

Descripteurs français

Pascal (Inist)
- Illusion perceptive, Illusion visuelle, Perception visuelle, Homme, Interaction intermodale, Perception haptique, Intégration multisensorielle.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Crossmodal interaction, Haptic perception, Human, Multisensory integration, Optical illusion, Perceptual illusion, Visual perception.

Abstract

For many years, the Müller-Lyer illusion was studied as a purely "visual" illusion, but like many other optical illusions, the evidence now shows that it also occurs when stimuli are presented tactually. In the present study, we investigated whether the visual perception of the illusion would have any crossmodal consequences for haptic perception. The wings-in and wings-out parts of the Müller-Lyer illusion were placed end-to-end, sharing a central fin. This Brentano version of the illusion was presented visually on a screen in front of the participants, who had to compare the "felt" length of two sticks placed on the back of the screen, one behind either part of the illusion. Our results show that the presentation of the visual illusion modified the felt lengths of the sticks presented directly behind the illusion. In particular, the stick presented on the side of space perceived visually as being shorter (behind the wings-in part of the display) was perceived as longer, and vice versa for the stick mounted behind the space perceived visually as longer (behind the wings-out part of the display). These results highlight the crossmodal consequences of the visual perception of the Müller-Lyer illusion for the haptic perception of line length.

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Pascal:06-0334857

Le document en format XML

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<term>Illusion visuelle</term>
<term>Perception visuelle</term>
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<term>Interaction intermodale</term>
<term>Perception haptique</term>
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<front><div type="abstract" xml:lang="en">For many years, the Müller-Lyer illusion was studied as a purely "visual" illusion, but like many other optical illusions, the evidence now shows that it also occurs when stimuli are presented tactually. In the present study, we investigated whether the visual perception of the illusion would have any crossmodal consequences for haptic perception. The wings-in and wings-out parts of the Müller-Lyer illusion were placed end-to-end, sharing a central fin. This Brentano version of the illusion was presented visually on a screen in front of the participants, who had to compare the "felt" length of two sticks placed on the back of the screen, one behind either part of the illusion. Our results show that the presentation of the visual illusion modified the felt lengths of the sticks presented directly behind the illusion. In particular, the stick presented on the side of space perceived visually as being shorter (behind the wings-in part of the display) was perceived as longer, and vice versa for the stick mounted behind the space perceived visually as longer (behind the wings-out part of the display). These results highlight the crossmodal consequences of the visual perception of the Müller-Lyer illusion for the haptic perception of line length.</div>
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Examining the crossmodal consequences of viewing the Muller-Lyer illusion

Examining the crossmodal consequences of viewing the Muller-Lyer illusion

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