HapticV1, PascalFrancis, Corpus, bibRecord, 001006

Intact haptic priming in normal aging and Alzheimer's disease: evidence for dissociable memory systems

Identifieur interne : 001006 ( PascalFrancis/Corpus ); précédent : 001005; suivant : 001007

Intact haptic priming in normal aging and Alzheimer's disease: evidence for dissociable memory systems

Auteurs : Soledad Ballesteros ; José Manuel Reales

Source :

Neuropsychologia [ 0028-3932 ] ; 2004.

RBID : Pascal:04-0236064

Descripteurs français

Pascal (Inist)
- Démence Alzheimer, Mémoire explicite, Mémoire implicite, Sensibilité tactile, Sénescence, Etude comparative, Effet amorçage, Dissociation, Cognition, Personne âgée.

English descriptors

KwdEn :
- Alzheimer disease, Cognition, Comparative study, Dissociation, Elderly, Explicit memory, Implicit memory, Priming effect, Senescence, Tactile sensitivity.

Abstract

This study is the first to report complete priming in Alzheimer's disease (AD) patients and older control subjects for objects presented haptically. To investigate possible dissociations between implicit and explicit objects representations, young adults, Alzheimer's patients, and older controls performed a speeded object naming task followed by a recognition task. Similar haptic priming was exhibited by the three groups, although young adults responded faster than the two older groups. Furthermore, there was no difference in performance between the two healthy groups. On the other hand, younger and older healthy adults did not differ on explicit recognition while, as expected, AD patients were highly impaired. The double dissociation suggests that different memory systems mediate both types of memory tasks. The preservation of intact haptic priming in AD provides strong support to the idea that object implicit memory is mediated by a memory system that is different from the medial-temporal diencephalic system underlying explicit memory, which is impaired early in AD. Recent imaging and behavioral studies suggest that the implicit memory system may depend on extrastriate areas of the occipital cortex although somatosensory cortical mechanisms may also be involved.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`02`	`1`		`@1 REALES (José Manuel)`
A14	`01`			`@1 Departamento de Psicología Básica II, Facultad de Psicología, Universidad Nacional de Educación a Distancia, Juan del Rosal 10 @2 28040 Madrid @3 ESP @Z 1 aut.`
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C03	`04`	`X`	`ENG`	`@0 Tactile sensitivity @5 04`
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C03	`10`	`X`	`ENG`	`@0 Elderly @5 21`
C03	`10`	`X`	`SPA`	`@0 Anciano @5 21`
C07	`01`	`X`	`FRE`	`@0 Homme`
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N21				`@1 152`
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Format Inist (serveur)

NO :	PASCAL 04-0236064 INIST
ET :	Intact haptic priming in normal aging and Alzheimer's disease: evidence for dissociable memory systems
AU :	BALLESTEROS (Soledad); REALES (José Manuel)
AF :	Departamento de Psicología Básica II, Facultad de Psicología, Universidad Nacional de Educación a Distancia, Juan del Rosal 10/28040 Madrid/Espagne (1 aut.); Departamento de Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad Nacional de Educación a Distancia, Juan del Rosal 10/28040 Madrid/Espagne (2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2004; Vol. 42; No. 8; Pp. 1063-1070; Bibl. 1 p.1/4
LA :	Anglais
EA :	This study is the first to report complete priming in Alzheimer's disease (AD) patients and older control subjects for objects presented haptically. To investigate possible dissociations between implicit and explicit objects representations, young adults, Alzheimer's patients, and older controls performed a speeded object naming task followed by a recognition task. Similar haptic priming was exhibited by the three groups, although young adults responded faster than the two older groups. Furthermore, there was no difference in performance between the two healthy groups. On the other hand, younger and older healthy adults did not differ on explicit recognition while, as expected, AD patients were highly impaired. The double dissociation suggests that different memory systems mediate both types of memory tasks. The preservation of intact haptic priming in AD provides strong support to the idea that object implicit memory is mediated by a memory system that is different from the medial-temporal diencephalic system underlying explicit memory, which is impaired early in AD. Recent imaging and behavioral studies suggest that the implicit memory system may depend on extrastriate areas of the occipital cortex although somatosensory cortical mechanisms may also be involved.
CC :	002B18C13
FD :	Démence Alzheimer; Mémoire explicite; Mémoire implicite; Sensibilité tactile; Sénescence; Etude comparative; Effet amorçage; Dissociation; Cognition; Personne âgée
FG :	Homme; Système nerveux pathologie; Système nerveux central pathologie; Encéphale pathologie; Maladie dégénérative
ED :	Alzheimer disease; Explicit memory; Implicit memory; Tactile sensitivity; Senescence; Comparative study; Priming effect; Dissociation; Cognition; Elderly
EG :	Human; Nervous system diseases; Central nervous system disease; Cerebral disorder; Degenerative disease
SD :	Demencia Alzheimer; Memoria explícita; Memoria implícita; Sensibilidad tactil; Senescencia; Estudio comparativo; Efecto priming; Disociación; Cognición; Anciano
LO :	INIST-11143.354000117038090070
ID :	04-0236064

Links to Exploration step

Pascal:04-0236064

Le document en format XML

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<ET>Intact haptic priming in normal aging and Alzheimer's disease: evidence for dissociable memory systems</ET>
<AU>BALLESTEROS (Soledad); REALES (José Manuel)</AU>
<AF>Departamento de Psicología Básica II, Facultad de Psicología, Universidad Nacional de Educación a Distancia, Juan del Rosal 10/28040 Madrid/Espagne (1 aut.); Departamento de Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad Nacional de Educación a Distancia, Juan del Rosal 10/28040 Madrid/Espagne (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2004; Vol. 42; No. 8; Pp. 1063-1070; Bibl. 1 p.1/4</SO>
<LA>Anglais</LA>
<EA>This study is the first to report complete priming in Alzheimer's disease (AD) patients and older control subjects for objects presented haptically. To investigate possible dissociations between implicit and explicit objects representations, young adults, Alzheimer's patients, and older controls performed a speeded object naming task followed by a recognition task. Similar haptic priming was exhibited by the three groups, although young adults responded faster than the two older groups. Furthermore, there was no difference in performance between the two healthy groups. On the other hand, younger and older healthy adults did not differ on explicit recognition while, as expected, AD patients were highly impaired. The double dissociation suggests that different memory systems mediate both types of memory tasks. The preservation of intact haptic priming in AD provides strong support to the idea that object implicit memory is mediated by a memory system that is different from the medial-temporal diencephalic system underlying explicit memory, which is impaired early in AD. Recent imaging and behavioral studies suggest that the implicit memory system may depend on extrastriate areas of the occipital cortex although somatosensory cortical mechanisms may also be involved.</EA>
<CC>002B18C13</CC>
<FD>Démence Alzheimer; Mémoire explicite; Mémoire implicite; Sensibilité tactile; Sénescence; Etude comparative; Effet amorçage; Dissociation; Cognition; Personne âgée</FD>
<FG>Homme; Système nerveux pathologie; Système nerveux central pathologie; Encéphale pathologie; Maladie dégénérative</FG>
<ED>Alzheimer disease; Explicit memory; Implicit memory; Tactile sensitivity; Senescence; Comparative study; Priming effect; Dissociation; Cognition; Elderly</ED>
<EG>Human; Nervous system diseases; Central nervous system disease; Cerebral disorder; Degenerative disease</EG>
<SD>Demencia Alzheimer; Memoria explícita; Memoria implícita; Sensibilidad tactil; Senescencia; Estudio comparativo; Efecto priming; Disociación; Cognición; Anciano</SD>
<LO>INIST-11143.354000117038090070</LO>
<ID>04-0236064</ID>
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Intact haptic priming in normal aging and Alzheimer's disease: evidence for dissociable memory systems

Intact haptic priming in normal aging and Alzheimer's disease: evidence for dissociable memory systems

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