HapticV1, PascalFrancis, Corpus, bibRecord, 000636

Audiogravic and oculogravic illusions represent a unified spatial remapping

Identifieur interne : 000636 ( PascalFrancis/Corpus ); précédent : 000635; suivant : 000637

Audiogravic and oculogravic illusions represent a unified spatial remapping

Auteurs : James R. Lackner ; Paul Dizio

Source :

Experimental brain research [ 0014-4819 ] ; 2010.

RBID : Pascal:10-0202491

Descripteurs français

Pascal (Inist)
- Illusion perceptive, Rotation, Accélération, Orientation spatiale, Sensation, Homme, Perception haptique.

English descriptors

KwdEn :
- Acceleration, Haptic perception, Human, Perceptual illusion, Rotation, Sensation, Spatial orientation.

Abstract

Individuals exposed to both an increase in magnitude and a rotation of the gravitoinerital acceleration vector experience changes in visual and auditory localization and apparent body orientation. These effects are known as the oculogravic, audiogravic and somatogravic illusions, respectively. In our main experiment, we measured the magnitude, direction, and time course of the audiogravic and oculogravic illusions in recumbent subjects (n = 6) exposed to an increase to 2 g and a simultaneous 60° rotation of the gravitoinertial acceleration (GIA) vector in their azimuthal plane (around their z-axis) in the Brandeis slow rotation room. In separate runs, subjects used a pointer to indicate the apparent azimuthal location of auditory and visual targets and of their head midline. Parallel, time linked changes in auditory, visual, and haptic localization of comparable magnitude and direction occurred. Two additional subjects adjusted the onset asynchrony of a pair of pulsing tactors on the forehead until they experienced a fused, midline sensation. A vibrotactile shift occurred during exposure to altered GIA in the same direction as the auditory, visual, and haptic shifts. These parallel multimodal results point to a GIA-induced remapping of a peripersonal spatial referent as underlying the changes in localization of auditory, visual, and somatosensory stimuli. Vestibular, somatosensory, and oculomotor signals could contribute to the proposed shift in the reference system.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A08	`01`	`1`	`ENG`	`@1 Audiogravic and oculogravic illusions represent a unified spatial remapping`
A11	`01`	`1`		`@1 LACKNER (James R.)`
A11	`02`	`1`		`@1 DIZIO (Paul)`
A14	`01`			`@1 Ashton Graybiel Spatial Orientation Laboratory, MS 033, Brandeis University @2 Waltham, MA 02454-9110 @3 USA @Z 1 aut. @Z 2 aut.`
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A61				`@0 A`
A64	`01`	`1`		`@0 Experimental brain research`
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C01	`01`		`ENG`	@0 Individuals exposed to both an increase in magnitude and a rotation of the gravitoinerital acceleration vector experience changes in visual and auditory localization and apparent body orientation. These effects are known as the oculogravic, audiogravic and somatogravic illusions, respectively. In our main experiment, we measured the magnitude, direction, and time course of the audiogravic and oculogravic illusions in recumbent subjects (n = 6) exposed to an increase to 2 g and a simultaneous 60° rotation of the gravitoinertial acceleration (GIA) vector in their azimuthal plane (around their z-axis) in the Brandeis slow rotation room. In separate runs, subjects used a pointer to indicate the apparent azimuthal location of auditory and visual targets and of their head midline. Parallel, time linked changes in auditory, visual, and haptic localization of comparable magnitude and direction occurred. Two additional subjects adjusted the onset asynchrony of a pair of pulsing tactors on the forehead until they experienced a fused, midline sensation. A vibrotactile shift occurred during exposure to altered GIA in the same direction as the auditory, visual, and haptic shifts. These parallel multimodal results point to a GIA-induced remapping of a peripersonal spatial referent as underlying the changes in localization of auditory, visual, and somatosensory stimuli. Vestibular, somatosensory, and oculomotor signals could contribute to the proposed shift in the reference system.
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C03	`02`	`X`	`FRE`	`@0 Rotation @5 02`
C03	`02`	`X`	`ENG`	`@0 Rotation @5 02`
C03	`02`	`X`	`SPA`	`@0 Rotación @5 02`
C03	`03`	`X`	`FRE`	`@0 Accélération @5 03`
C03	`03`	`X`	`ENG`	`@0 Acceleration @5 03`
C03	`03`	`X`	`SPA`	`@0 Aceleración @5 03`
C03	`04`	`X`	`FRE`	`@0 Orientation spatiale @5 04`
C03	`04`	`X`	`ENG`	`@0 Spatial orientation @5 04`
C03	`04`	`X`	`SPA`	`@0 Orientación espacial @5 04`
C03	`05`	`X`	`FRE`	`@0 Sensation @5 05`
C03	`05`	`X`	`ENG`	`@0 Sensation @5 05`
C03	`05`	`X`	`SPA`	`@0 Sensación @5 05`
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C03	`07`	`X`	`FRE`	`@0 Perception haptique @4 CD @5 96`
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Format Inist (serveur)

NO :	PASCAL 10-0202491 INIST
ET :	Audiogravic and oculogravic illusions represent a unified spatial remapping
AU :	LACKNER (James R.); DIZIO (Paul)
AF :	Ashton Graybiel Spatial Orientation Laboratory, MS 033, Brandeis University/Waltham, MA 02454-9110/Etats-Unis (1 aut., 2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Experimental brain research; ISSN 0014-4819; Coden EXBRAP; Allemagne; Da. 2010; Vol. 202; No. 2; Pp. 513-518; Bibl. 1/2 p.
LA :	Anglais
EA :	Individuals exposed to both an increase in magnitude and a rotation of the gravitoinerital acceleration vector experience changes in visual and auditory localization and apparent body orientation. These effects are known as the oculogravic, audiogravic and somatogravic illusions, respectively. In our main experiment, we measured the magnitude, direction, and time course of the audiogravic and oculogravic illusions in recumbent subjects (n = 6) exposed to an increase to 2 g and a simultaneous 60° rotation of the gravitoinertial acceleration (GIA) vector in their azimuthal plane (around their z-axis) in the Brandeis slow rotation room. In separate runs, subjects used a pointer to indicate the apparent azimuthal location of auditory and visual targets and of their head midline. Parallel, time linked changes in auditory, visual, and haptic localization of comparable magnitude and direction occurred. Two additional subjects adjusted the onset asynchrony of a pair of pulsing tactors on the forehead until they experienced a fused, midline sensation. A vibrotactile shift occurred during exposure to altered GIA in the same direction as the auditory, visual, and haptic shifts. These parallel multimodal results point to a GIA-induced remapping of a peripersonal spatial referent as underlying the changes in localization of auditory, visual, and somatosensory stimuli. Vestibular, somatosensory, and oculomotor signals could contribute to the proposed shift in the reference system.
CC :	002B17A01; 002A25E
FD :	Illusion perceptive; Rotation; Accélération; Orientation spatiale; Sensation; Homme; Perception haptique
ED :	Perceptual illusion; Rotation; Acceleration; Spatial orientation; Sensation; Human; Haptic perception
SD :	Ilusión perceptiva; Rotación; Aceleración; Orientación espacial; Sensación; Hombre
LO :	INIST-12535.354000181981510230
ID :	10-0202491

Links to Exploration step

Pascal:10-0202491

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Audiogravic and oculogravic illusions represent a unified spatial remapping

Audiogravic and oculogravic illusions represent a unified spatial remapping

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Abstract

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