Identification of taxonomic and thematic ...
Type de document :
Article dans une revue scientifique
PMID :
URL permanente :
Titre :
Identification of taxonomic and thematic relationships: Do the two semantic systems have the same status in semantic dementia?
Auteur(s) :
Merck, Catherine [Auteur]
Service de Neurologie [CHU Rennes]
Noël, Audrey [Auteur]
Centre de Recherches en Psychologie Cognition et Communication [CRPCC EA 1285]
Jamet, Eric [Auteur]
Centre de Recherches en Psychologie Cognition et Communication [CRPCC EA 1285]
Robert, Maxime [Auteur]
Centre de Recherches en Psychologie Cognition et Communication [CRPCC EA 1285]
Hou, Camille [Auteur]
Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou]
Salmon, Anne [Auteur]
Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou]
Belliard, Serge [Auteur]
Neuropsychologie cognitive et neuroanatomie fonctionnelles de la mémoire humaine
KALENINE, SOLENE [Auteur]
Laboratoire Sciences Cognitives et Sciences Affectives - UMR 9193 [SCALab]
Service de Neurologie [CHU Rennes]
Noël, Audrey [Auteur]
Centre de Recherches en Psychologie Cognition et Communication [CRPCC EA 1285]
Jamet, Eric [Auteur]
Centre de Recherches en Psychologie Cognition et Communication [CRPCC EA 1285]
Robert, Maxime [Auteur]
Centre de Recherches en Psychologie Cognition et Communication [CRPCC EA 1285]
Hou, Camille [Auteur]
Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou]
Salmon, Anne [Auteur]
Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou]
Belliard, Serge [Auteur]
Neuropsychologie cognitive et neuroanatomie fonctionnelles de la mémoire humaine
KALENINE, SOLENE [Auteur]
Laboratoire Sciences Cognitives et Sciences Affectives - UMR 9193 [SCALab]
Titre de la revue :
Journal of clinical and experimental neuropsychology
Nom court de la revue :
J Clin Exp Neuropsychol
Numéro :
41
Pagination :
946-964
Date de publication :
2020-03
ISSN :
1744-411X
Mot(s)-clé(s) en anglais :
Aged
Aged
80 and over
Alzheimer Disease
Choice Behavior
Classification
Dementia
Female
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Neuropsychological Tests
Semantics
Thematic Apperception Test
Visual Perception
Semantic dementia
explicit matching task
semantic disequilibrium
taxonomic system
thematic system
Aged
80 and over
Alzheimer Disease
Choice Behavior
Classification
Dementia
Female
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Neuropsychological Tests
Semantics
Thematic Apperception Test
Visual Perception
Semantic dementia
explicit matching task
semantic disequilibrium
taxonomic system
thematic system
Discipline(s) HAL :
Sciences cognitives
Résumé en anglais : [en]
: Disequilibrium between the taxonomic and thematic semantic systems was previously hypothesized in participants with semantic dementia (SD), without rigorously assessing their ability to identify the two types of semantic ...
Lire la suite >: Disequilibrium between the taxonomic and thematic semantic systems was previously hypothesized in participants with semantic dementia (SD), without rigorously assessing their ability to identify the two types of semantic relationships. Therefore, the aim of the present study was to directly compare the ability of 10 participants with SD, 10 participants with Alzheimer's disease (AD), and 20 controls to identify thematic versus taxonomic relationships. : Participants performed an explicit forced-choice picture-matching task in which they had to determine which of two pictures of choice was semantically related to the target picture. Target pictures could display natural or artifact objects. Each target was presented once with a taxonomically related picture and once with a thematically related picture. : Analyses of correct thematic and taxonomic matches as a function of target domain showed that the performance of the two groups of patients differed in the taxonomic conditions but not in the thematic conditions, demonstrating a relative preservation of thematic knowledge in SD. Additional correlation analyses further indicated that the particular status of thematic relationships in SD was even stronger for artifact concepts. : Results provide evidence of the heterogeneous nature of semantic knowledge disruption in SD, and could be regarded as being consistent with the existence of two neuroanatomically and functionally distinct semantic systems. Results further stress the relevance of performing a more detailed and complete assessment of semantic performance in participants with SD, in order to capture the impaired but also preserved aspects of their knowledge.Lire moins >
Lire la suite >: Disequilibrium between the taxonomic and thematic semantic systems was previously hypothesized in participants with semantic dementia (SD), without rigorously assessing their ability to identify the two types of semantic relationships. Therefore, the aim of the present study was to directly compare the ability of 10 participants with SD, 10 participants with Alzheimer's disease (AD), and 20 controls to identify thematic versus taxonomic relationships. : Participants performed an explicit forced-choice picture-matching task in which they had to determine which of two pictures of choice was semantically related to the target picture. Target pictures could display natural or artifact objects. Each target was presented once with a taxonomically related picture and once with a thematically related picture. : Analyses of correct thematic and taxonomic matches as a function of target domain showed that the performance of the two groups of patients differed in the taxonomic conditions but not in the thematic conditions, demonstrating a relative preservation of thematic knowledge in SD. Additional correlation analyses further indicated that the particular status of thematic relationships in SD was even stronger for artifact concepts. : Results provide evidence of the heterogeneous nature of semantic knowledge disruption in SD, and could be regarded as being consistent with the existence of two neuroanatomically and functionally distinct semantic systems. Results further stress the relevance of performing a more detailed and complete assessment of semantic performance in participants with SD, in order to capture the impaired but also preserved aspects of their knowledge.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Non spécifiée
Établissement(s) :
Université de Lille
CNRS
CHU Lille
CNRS
CHU Lille
Équipe(s) de recherche :
Équipe Action, Vision et Apprentissage (AVA)
Date de dépôt :
2020-09-28T13:30:41Z
2020-09-29T14:35:58Z
2020-09-29T14:35:58Z
Fichiers
- Eye-Tracking Thematic in SD Merck et al (2020) Neuropsychology.docx
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