HapticV1, PascalFrancis, Corpus, bibRecord, 000407

Listening to numbers affects visual and haptic bisection in healthy individuals and neglect patients

Identifieur interne : 000407 ( PascalFrancis/Corpus ); précédent : 000406; suivant : 000408

Listening to numbers affects visual and haptic bisection in healthy individuals and neglect patients

Auteurs : Zaira Cattaneo ; Micaela Fantino ; Flavia Mancini ; Flavia Mattioli ; Giuseppe Vallar

Source :

Neuropsychologia [ 0028-3932 ] ; 2012.

RBID : Francis:12-0173184

Descripteurs français

Pascal (Inist)
- Nombre, Vision, Sensibilité tactile, Tâche bissection, Représentation spatiale, Effet amorçage, Cognition, Perception intermodale, Négligence spatiale, Audition, Individu sain, Homme.

English descriptors

KwdEn :
- Bisection task, Cognition, Healthy subject, Hearing, Human, Intermodal perception, Number, Priming effect, Spatial neglect, Spatial representation, Tactile sensitivity, Vision.

Abstract

There is evidence that humans represent numbers in the form of a mental number line (MNL). Here we show that the MNL modulates the representation of visual and haptic space both in healthy individuals and right-brain-damaged patients, both with and without left unilateral spatial neglect (USN). Participants were asked to estimate the midpoint of visually or haptically explored rods while listening to task-irrelevant stimuli: a small digit ("2"), a large digit ("8"), or a non-numerical auditory stimulus ("blah"). In a control silent condition, the bisection error of USN patients was biased rightwards (namely, the marker of USN) only in the visual modality. Regardless of the direction of the bisection error committed in silent trials, listening to the small digit shifted the perceived midline leftwards, and listening to the large digit shifted the perceived midline rightwards, compared to a control condition in which a neutral syllable ("blah") was presented. The shift induced by listening to numbers occurred independently of the modality of response (i.e., both in vision and haptics), and in every group of participants. Interestingly, the effect of auditory numbers processing on space estimation was overall larger for haptically than for visually explored space in all participants. In conclusion, the present data show that listening to irrelevant numbers affects space perception also in patients with left USN, indicating that the spatial representation and attention processes disrupted by USN are not involved in these numerical magnitude-spatial effects.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`04`	`1`		`@1 MATTIOLI (Flavia)`
A11	`05`	`1`		`@1 VALLAR (Giuseppe)`
A14	`01`			`@1 Department of Psychology, University ofMilano-Bicocca, Piazza dell'Ateneo Nuovo 1 @2 20126 Milano @3 ITA @Z 1 aut. @Z 3 aut. @Z 5 aut.`
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A14	`03`			`@1 Clinical Neuropsychology, Ospedali Civili of Brescia. V. Nikolajewka, 13 @2 25123 Brescia @3 ITA @Z 4 aut.`
A14	`04`			`@1 Neuropsychological Laboratory, IRCCS Istituto Auxologico Italiao @2 Milan @3 ITA @Z 5 aut.`
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Format Inist (serveur)

NO :	FRANCIS 12-0173184 INIST
ET :	Listening to numbers affects visual and haptic bisection in healthy individuals and neglect patients
AU :	CATTANEO (Zaira); FANTINO (Micaela); MANCINI (Flavia); MATTIOLI (Flavia); VALLAR (Giuseppe)
AF :	Department of Psychology, University ofMilano-Bicocca, Piazza dell'Ateneo Nuovo 1/20126 Milano/Italie (1 aut., 3 aut., 5 aut.); Department of Psychology, University of Pavia, Piazza Botta, 6/27100 Pavia/Italie (2 aut.); Clinical Neuropsychology, Ospedali Civili of Brescia. V. Nikolajewka, 13/25123 Brescia/Italie (4 aut.); Neuropsychological Laboratory, IRCCS Istituto Auxologico Italiao/Milan/Italie (5 aut.)
DT :	Publication en série; Niveau analytique
SO :	Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2012; Vol. 50; No. 5; Pp. 913-925; Bibl. 1 p.1/4
LA :	Anglais
EA :	There is evidence that humans represent numbers in the form of a mental number line (MNL). Here we show that the MNL modulates the representation of visual and haptic space both in healthy individuals and right-brain-damaged patients, both with and without left unilateral spatial neglect (USN). Participants were asked to estimate the midpoint of visually or haptically explored rods while listening to task-irrelevant stimuli: a small digit ("2"), a large digit ("8"), or a non-numerical auditory stimulus ("blah"). In a control silent condition, the bisection error of USN patients was biased rightwards (namely, the marker of USN) only in the visual modality. Regardless of the direction of the bisection error committed in silent trials, listening to the small digit shifted the perceived midline leftwards, and listening to the large digit shifted the perceived midline rightwards, compared to a control condition in which a neutral syllable ("blah") was presented. The shift induced by listening to numbers occurred independently of the modality of response (i.e., both in vision and haptics), and in every group of participants. Interestingly, the effect of auditory numbers processing on space estimation was overall larger for haptically than for visually explored space in all participants. In conclusion, the present data show that listening to irrelevant numbers affects space perception also in patients with left USN, indicating that the spatial representation and attention processes disrupted by USN are not involved in these numerical magnitude-spatial effects.
CC :	770D03M
FD :	Nombre; Vision; Sensibilité tactile; Tâche bissection; Représentation spatiale; Effet amorçage; Cognition; Perception intermodale; Négligence spatiale; Audition; Individu sain; Homme
FG :	Perception; Pathologie du système nerveux; Trouble neurologique; Pathologie de l'encéphale; Pathologie du système nerveux central
ED :	Number; Vision; Tactile sensitivity; Bisection task; Spatial representation; Priming effect; Cognition; Intermodal perception; Spatial neglect; Hearing; Healthy subject; Human
EG :	Perception; Nervous system diseases; Neurological disorder; Cerebral disorder; Central nervous system disease
SD :	Número; Visión; Sensibilidad tactil; Tarea bisección; Representación espacial; Efecto priming; Cognición; Percepción intermodal; Negligencia espacial; Audición; Individuo sano; Hombre
LO :	INIST-11143.354000509762330380
ID :	12-0173184

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Francis:12-0173184

Le document en format XML

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<front><div type="abstract" xml:lang="en">There is evidence that humans represent numbers in the form of a mental number line (MNL). Here we show that the MNL modulates the representation of visual and haptic space both in healthy individuals and right-brain-damaged patients, both with and without left unilateral spatial neglect (USN). Participants were asked to estimate the midpoint of visually or haptically explored rods while listening to task-irrelevant stimuli: a small digit ("2"), a large digit ("8"), or a non-numerical auditory stimulus ("blah"). In a control silent condition, the bisection error of USN patients was biased rightwards (namely, the marker of USN) only in the visual modality. Regardless of the direction of the bisection error committed in silent trials, listening to the small digit shifted the perceived midline leftwards, and listening to the large digit shifted the perceived midline rightwards, compared to a control condition in which a neutral syllable ("blah") was presented. The shift induced by listening to numbers occurred independently of the modality of response (i.e., both in vision and haptics), and in every group of participants. Interestingly, the effect of auditory numbers processing on space estimation was overall larger for haptically than for visually explored space in all participants. In conclusion, the present data show that listening to irrelevant numbers affects space perception also in patients with left USN, indicating that the spatial representation and attention processes disrupted by USN are not involved in these numerical magnitude-spatial effects.</div>
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<server><NO>FRANCIS 12-0173184 INIST</NO>
<ET>Listening to numbers affects visual and haptic bisection in healthy individuals and neglect patients</ET>
<AU>CATTANEO (Zaira); FANTINO (Micaela); MANCINI (Flavia); MATTIOLI (Flavia); VALLAR (Giuseppe)</AU>
<AF>Department of Psychology, University ofMilano-Bicocca, Piazza dell'Ateneo Nuovo 1/20126 Milano/Italie (1 aut., 3 aut., 5 aut.); Department of Psychology, University of Pavia, Piazza Botta, 6/27100 Pavia/Italie (2 aut.); Clinical Neuropsychology, Ospedali Civili of Brescia. V. Nikolajewka, 13/25123 Brescia/Italie (4 aut.); Neuropsychological Laboratory, IRCCS Istituto Auxologico Italiao/Milan/Italie (5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2012; Vol. 50; No. 5; Pp. 913-925; Bibl. 1 p.1/4</SO>
<LA>Anglais</LA>
<EA>There is evidence that humans represent numbers in the form of a mental number line (MNL). Here we show that the MNL modulates the representation of visual and haptic space both in healthy individuals and right-brain-damaged patients, both with and without left unilateral spatial neglect (USN). Participants were asked to estimate the midpoint of visually or haptically explored rods while listening to task-irrelevant stimuli: a small digit ("2"), a large digit ("8"), or a non-numerical auditory stimulus ("blah"). In a control silent condition, the bisection error of USN patients was biased rightwards (namely, the marker of USN) only in the visual modality. Regardless of the direction of the bisection error committed in silent trials, listening to the small digit shifted the perceived midline leftwards, and listening to the large digit shifted the perceived midline rightwards, compared to a control condition in which a neutral syllable ("blah") was presented. The shift induced by listening to numbers occurred independently of the modality of response (i.e., both in vision and haptics), and in every group of participants. Interestingly, the effect of auditory numbers processing on space estimation was overall larger for haptically than for visually explored space in all participants. In conclusion, the present data show that listening to irrelevant numbers affects space perception also in patients with left USN, indicating that the spatial representation and attention processes disrupted by USN are not involved in these numerical magnitude-spatial effects.</EA>
<CC>770D03M</CC>
<FD>Nombre; Vision; Sensibilité tactile; Tâche bissection; Représentation spatiale; Effet amorçage; Cognition; Perception intermodale; Négligence spatiale; Audition; Individu sain; Homme</FD>
<FG>Perception; Pathologie du   système nerveux; Trouble neurologique; Pathologie de l'encéphale; Pathologie du système nerveux central</FG>
<ED>Number; Vision; Tactile sensitivity; Bisection task; Spatial representation; Priming effect; Cognition; Intermodal perception; Spatial neglect; Hearing; Healthy subject; Human</ED>
<EG>Perception; Nervous system diseases; Neurological disorder; Cerebral disorder; Central nervous system disease</EG>
<SD>Número; Visión; Sensibilidad tactil; Tarea bisección; Representación espacial; Efecto priming; Cognición; Percepción intermodal; Negligencia espacial; Audición; Individuo sano; Hombre</SD>
<LO>INIST-11143.354000509762330380</LO>
<ID>12-0173184</ID>
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Listening to numbers affects visual and haptic bisection in healthy individuals and neglect patients

Listening to numbers affects visual and haptic bisection in healthy individuals and neglect patients

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