HapticV1, PascalFrancis, Corpus, bibRecord, 000615

Crossmodal interaction between the mental number line and peripersonal haptic space representation in sighted and blind individuals

Identifieur interne : 000615 ( PascalFrancis/Corpus ); précédent : 000614; suivant : 000616

Crossmodal interaction between the mental number line and peripersonal haptic space representation in sighted and blind individuals

Auteurs : Zaira Cattaneo ; Micaela Fantino ; Carla Tinti ; Juha Silvanto ; Tomaso Vecchi

Source :

Attention, perception & psychophysics [ 1943-3921 ] ; 2010.

RBID : Pascal:10-0292426

Descripteurs français

Pascal (Inist)
- Perception intermodale, Etude expérimentale, Représentation spatiale, Nombre, Sensibilité tactile, Cécité, Vision, Homme.

English descriptors

KwdEn :
- Blindness, Experimental study, Human, Intermodal perception, Number, Spatial representation, Tactile sensitivity, Vision.

Abstract

Humans tend to represent numbers in the form of a mental number line. Here we show that the mental number line can modulate the representation of peripersonal haptic space in a crossmodal fashion and that this interaction is not visually mediated. Sighted and early-blind participants were asked to haptically explore rods of different lengths and to indicate midpoints of those rods. During each trial, either a small (2) or a large (8) number was presented in the auditory modality. When no numbers were presented, participants tended to bisect the rods to the left of the actual midpoint, consistent with the notion of pseudoneglect. In both groups, this bias was significantly increased by the presentation of a small number and was significantly reduced by the presentation of a large number. Hence, spatial shifts of attention induced by number processing are not limited to visual space or embodied responses but extend to haptic peripersonal space and occur crossmodally without requiring the activation of a visuospatial representation.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`01`	`1`		`@1 CATTANEO (Zaira)`
A11	`02`	`1`		`@1 FANTINO (Micaela)`
A11	`03`	`1`		`@1 TINTI (Carla)`
A11	`04`	`1`		`@1 SILVANTO (Juha)`
A11	`05`	`1`		`@1 VECCHI (Tomaso)`
A14	`01`			`@1 University of Milano-Bicocca @2 Milan @3 ITA @Z 1 aut.`
A14	`02`			`@1 University of Pavia @2 Pavia @3 ITA @Z 2 aut. @Z 5 aut.`
A14	`03`			`@1 University ofTurin @2 Turin @3 ITA @Z 3 aut.`
A14	`04`			`@1 University College London @2 London @3 GBR @Z 4 aut.`
A14	`05`			`@1 Helsinki University of Technology @2 Espoo @3 FIN @Z 4 aut.`
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C01	`01`		`ENG`	@0 Humans tend to represent numbers in the form of a mental number line. Here we show that the mental number line can modulate the representation of peripersonal haptic space in a crossmodal fashion and that this interaction is not visually mediated. Sighted and early-blind participants were asked to haptically explore rods of different lengths and to indicate midpoints of those rods. During each trial, either a small (2) or a large (8) number was presented in the auditory modality. When no numbers were presented, participants tended to bisect the rods to the left of the actual midpoint, consistent with the notion of pseudoneglect. In both groups, this bias was significantly increased by the presentation of a small number and was significantly reduced by the presentation of a large number. Hence, spatial shifts of attention induced by number processing are not limited to visual space or embodied responses but extend to haptic peripersonal space and occur crossmodally without requiring the activation of a visuospatial representation.
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C03	`06`	`X`	`ENG`	`@0 Blindness @5 06`
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Format Inist (serveur)

NO :	PASCAL 10-0292426 INIST
ET :	Crossmodal interaction between the mental number line and peripersonal haptic space representation in sighted and blind individuals
AU :	CATTANEO (Zaira); FANTINO (Micaela); TINTI (Carla); SILVANTO (Juha); VECCHI (Tomaso)
AF :	University of Milano-Bicocca/Milan/Italie (1 aut.); University of Pavia/Pavia/Italie (2 aut., 5 aut.); University ofTurin/Turin/Italie (3 aut.); University College London/London/Royaume-Uni (4 aut.); Helsinki University of Technology/Espoo/Finlande (4 aut.)
DT :	Publication en série; Courte communication, note brève; Niveau analytique
SO :	Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2010; Vol. 72; No. 4; Pp. 885-890; Bibl. 3/4 p.
LA :	Anglais
EA :	Humans tend to represent numbers in the form of a mental number line. Here we show that the mental number line can modulate the representation of peripersonal haptic space in a crossmodal fashion and that this interaction is not visually mediated. Sighted and early-blind participants were asked to haptically explore rods of different lengths and to indicate midpoints of those rods. During each trial, either a small (2) or a large (8) number was presented in the auditory modality. When no numbers were presented, participants tended to bisect the rods to the left of the actual midpoint, consistent with the notion of pseudoneglect. In both groups, this bias was significantly increased by the presentation of a small number and was significantly reduced by the presentation of a large number. Hence, spatial shifts of attention induced by number processing are not limited to visual space or embodied responses but extend to haptic peripersonal space and occur crossmodally without requiring the activation of a visuospatial representation.
CC :	002A26E08; 002A26E05; 002A26N04
FD :	Perception intermodale; Etude expérimentale; Représentation spatiale; Nombre; Sensibilité tactile; Cécité; Vision; Homme
FG :	Cognition; Perception; Pathologie de l'oeil; Trouble de la vision
ED :	Intermodal perception; Experimental study; Spatial representation; Number; Tactile sensitivity; Blindness; Vision; Human
EG :	Cognition; Perception; Eye disease; Vision disorder
SD :	Percepción intermodal; Estudio experimental; Representación espacial; Número; Sensibilidad tactil; Ceguera; Visión; Hombre
LO :	INIST-14257.354000181763550030
ID :	10-0292426

Links to Exploration step

Pascal:10-0292426

Le document en format XML

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<server><NO>PASCAL 10-0292426 INIST</NO>
<ET>Crossmodal interaction between the mental number line and peripersonal haptic space representation in sighted and blind individuals</ET>
<AU>CATTANEO (Zaira); FANTINO (Micaela); TINTI (Carla); SILVANTO (Juha); VECCHI (Tomaso)</AU>
<AF>University of Milano-Bicocca/Milan/Italie (1 aut.); University of Pavia/Pavia/Italie (2 aut., 5 aut.); University ofTurin/Turin/Italie (3 aut.); University College London/London/Royaume-Uni (4 aut.); Helsinki University of Technology/Espoo/Finlande (4 aut.)</AF>
<DT>Publication en série; Courte communication, note brève; Niveau analytique</DT>
<SO>Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2010; Vol. 72; No. 4; Pp. 885-890; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>Humans tend to represent numbers in the form of a mental number line. Here we show that the mental number line can modulate the representation of peripersonal haptic space in a crossmodal fashion and that this interaction is not visually mediated. Sighted and early-blind participants were asked to haptically explore rods of different lengths and to indicate midpoints of those rods. During each trial, either a small (2) or a large (8) number was presented in the auditory modality. When no numbers were presented, participants tended to bisect the rods to the left of the actual midpoint, consistent with the notion of pseudoneglect. In both groups, this bias was significantly increased by the presentation of a small number and was significantly reduced by the presentation of a large number. Hence, spatial shifts of attention induced by number processing are not limited to visual space or embodied responses but extend to haptic peripersonal space and occur crossmodally without requiring the activation of a visuospatial representation.</EA>
<CC>002A26E08; 002A26E05; 002A26N04</CC>
<FD>Perception intermodale; Etude expérimentale; Représentation spatiale; Nombre; Sensibilité tactile; Cécité; Vision; Homme</FD>
<FG>Cognition; Perception; Pathologie de l'oeil; Trouble de la vision</FG>
<ED>Intermodal perception; Experimental study; Spatial representation; Number; Tactile sensitivity; Blindness; Vision; Human</ED>
<EG>Cognition; Perception; Eye disease; Vision disorder</EG>
<SD>Percepción intermodal; Estudio experimental; Representación espacial; Número; Sensibilidad tactil; Ceguera; Visión; Hombre</SD>
<LO>INIST-14257.354000181763550030</LO>
<ID>10-0292426</ID>
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Crossmodal interaction between the mental number line and peripersonal haptic space representation in sighted and blind individuals

Crossmodal interaction between the mental number line and peripersonal haptic space representation in sighted and blind individuals

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