HapticV1, PascalFrancis, Corpus, bibRecord, 000456

Hemispheric specialisation in haptic processing

Identifieur interne : 000456 ( PascalFrancis/Corpus ); précédent : 000455; suivant : 000457

Hemispheric specialisation in haptic processing

Auteurs : Simon P. Tomlinson ; Nick J. Davis ; Helen M. Morgan ; R. Martyn Bracewell

Source :

Neuropsychologia [ 0028-3932 ] ; 2011.

RBID : Pascal:11-0385853

Descripteurs français

Pascal (Inist)
- Spécialisation hémisphérique, Sensibilité tactile, Préférence manuelle, Etude expérimentale, Homme.

English descriptors

KwdEn :
- Experimental study, Handedness, Hemispheric specialization, Human, Tactile sensitivity.

Abstract

This study investigated the organising principles of touch. We examined specialisations within the haptic system and their hemispheric distribution. Haptic processing consists of the integration of data from multiple sources to form a single percept. Previous research provides strong support for a hierarchical and functional distribution within haptic processing. We investigated hemispheric asymmetry in haptic discrimination of objects with differing textures and centres of mass. By analogy with vision it was hypothesised that participants would demonstrate a left-hand advantage for centre of mass discrimination (a'global', presumed right hemisphere, judgement) and a right-hand advantage for surface texture judgements (a'local', presumed left hemisphere discrimination). We found that left-handed participants showed these effects to a lesser degree than did the right-handers, consistent with the notion that left-handed people generally show weaker asymmetries in bimanual tasks. In a second experiment the effect of conflicting information on haptic percept formation was investigated. Following from the previous hypotheses it was predicted that participants would be more accurate with their right hands at judging conflicting surfaces. Contrary to predictions an advantage was demonstrated for the left hand for texture discrimination and for the right hand for centre of mass judgement.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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Format Inist (serveur)

NO :	PASCAL 11-0385853 INIST
ET :	Hemispheric specialisation in haptic processing
AU :	TOMLINSON (Simon P.); DAVIS (Nick J.); MORGAN (Helen M.); MARTYN BRACEWELL (R.)
AF :	School of Psychology, Bangor University/Bangor, Gwynedd LL572AS/Royaume-Uni (1 aut., 2 aut., 3 aut., 4 aut.); School of Medical Sciences, Bangor University/Bangor, Gwynedd LL572AS/Royaume-Uni (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2011; Vol. 49; No. 9; Pp. 2703-2710; Bibl. 3/4 p.
LA :	Anglais
EA :	This study investigated the organising principles of touch. We examined specialisations within the haptic system and their hemispheric distribution. Haptic processing consists of the integration of data from multiple sources to form a single percept. Previous research provides strong support for a hierarchical and functional distribution within haptic processing. We investigated hemispheric asymmetry in haptic discrimination of objects with differing textures and centres of mass. By analogy with vision it was hypothesised that participants would demonstrate a left-hand advantage for centre of mass discrimination (a'global', presumed right hemisphere, judgement) and a right-hand advantage for surface texture judgements (a'local', presumed left hemisphere discrimination). We found that left-handed participants showed these effects to a lesser degree than did the right-handers, consistent with the notion that left-handed people generally show weaker asymmetries in bimanual tasks. In a second experiment the effect of conflicting information on haptic percept formation was investigated. Following from the previous hypotheses it was predicted that participants would be more accurate with their right hands at judging conflicting surfaces. Contrary to predictions an advantage was demonstrated for the left hand for texture discrimination and for the right hand for centre of mass judgement.
CC :	002A26C04; 002A26E05
FD :	Spécialisation hémisphérique; Sensibilité tactile; Préférence manuelle; Etude expérimentale; Homme
FG :	Encéphale; Système nerveux central; Perception
ED :	Hemispheric specialization; Tactile sensitivity; Handedness; Experimental study; Human
EG :	Encephalon; Central nervous system; Perception
SD :	Especialización hemisférica; Sensibilidad tactil; Preferencia manual; Estudio experimental; Hombre
LO :	INIST-11143.354000508504460440
ID :	11-0385853

Links to Exploration step

Pascal:11-0385853

Le document en format XML

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<AF>School of Psychology, Bangor University/Bangor, Gwynedd LL572AS/Royaume-Uni (1 aut., 2 aut., 3 aut., 4 aut.); School of Medical Sciences, Bangor University/Bangor, Gwynedd LL572AS/Royaume-Uni (4 aut.)</AF>
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<EA>This study investigated the organising principles of touch. We examined specialisations within the haptic system and their hemispheric distribution. Haptic processing consists of the integration of data from multiple sources to form a single percept. Previous research provides strong support for a hierarchical and functional distribution within haptic processing. We investigated hemispheric asymmetry in haptic discrimination of objects with differing textures and centres of mass. By analogy with vision it was hypothesised that participants would demonstrate a left-hand advantage for centre of mass discrimination (a'global', presumed right hemisphere, judgement) and a right-hand advantage for surface texture judgements (a'local', presumed left hemisphere discrimination). We found that left-handed participants showed these effects to a lesser degree than did the right-handers, consistent with the notion that left-handed people generally show weaker asymmetries in bimanual tasks. In a second experiment the effect of conflicting information on haptic percept formation was investigated. Following from the previous hypotheses it was predicted that participants would be more accurate with their right hands at judging conflicting surfaces. Contrary to predictions an advantage was demonstrated for the left hand for texture discrimination and for the right hand for centre of mass judgement.</EA>
<CC>002A26C04; 002A26E05</CC>
<FD>Spécialisation hémisphérique; Sensibilité tactile; Préférence manuelle; Etude expérimentale; Homme</FD>
<FG>Encéphale; Système nerveux central; Perception</FG>
<ED>Hemispheric specialization; Tactile sensitivity; Handedness; Experimental study; Human</ED>
<EG>Encephalon; Central nervous system; Perception</EG>
<SD>Especialización hemisférica; Sensibilidad tactil; Preferencia manual; Estudio experimental; Hombre</SD>
<LO>INIST-11143.354000508504460440</LO>
<ID>11-0385853</ID>
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Hemispheric specialisation in haptic processing

Hemispheric specialisation in haptic processing

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