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Memory in ASD: have we been barking up the wrong tree? / Jill BOUCHER in Autism, 16-6 (November 2012)
[article]
Titre : Memory in ASD: have we been barking up the wrong tree? Type de document : Texte imprimé et/ou numérique Auteurs : Jill BOUCHER, Auteur ; Andrew MAYES, Auteur Année de publication : 2012 Article en page(s) : p.603-611 Langues : Anglais (eng) Mots-clés : autism spectrum disorder memory hippocampus prefrontal cortex parietal cortex default network Index. décimale : PER Périodiques Résumé : In this theoretical note, possible neural causes of episodic memory impairment in individuals with ASD and currently normal intellectual and linguistic function are considered. The neural causes most commonly argued for are hippocampal or prefrontal cortex dysfunction, associated with impaired neural connectivity. It is argued here that a hippocampal dysfunction hypothesis is weakened by differences in cued recall and paired associate learning in individuals with ASD compared with individuals with developmental or acquired hippocampus-related amnesia, and that recent findings on patients with posterior parietal lesions (PPC) offer a better fit with the dissociation between free and cued recall observed in ASD. The PPC forms part of the default system subserving mindreading, among other functions, and an association between PPC dysfunction and memory impairment in ASD is consistent with recent suggestions that neural disconnectivity within the default system underlies behaviours diagnostic of ASD. En ligne : http://dx.doi.org/10.1177/1362361311417738 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=184
in Autism > 16-6 (November 2012) . - p.603-611[article] Memory in ASD: have we been barking up the wrong tree? [Texte imprimé et/ou numérique] / Jill BOUCHER, Auteur ; Andrew MAYES, Auteur . - 2012 . - p.603-611.
Langues : Anglais (eng)
in Autism > 16-6 (November 2012) . - p.603-611
Mots-clés : autism spectrum disorder memory hippocampus prefrontal cortex parietal cortex default network Index. décimale : PER Périodiques Résumé : In this theoretical note, possible neural causes of episodic memory impairment in individuals with ASD and currently normal intellectual and linguistic function are considered. The neural causes most commonly argued for are hippocampal or prefrontal cortex dysfunction, associated with impaired neural connectivity. It is argued here that a hippocampal dysfunction hypothesis is weakened by differences in cued recall and paired associate learning in individuals with ASD compared with individuals with developmental or acquired hippocampus-related amnesia, and that recent findings on patients with posterior parietal lesions (PPC) offer a better fit with the dissociation between free and cued recall observed in ASD. The PPC forms part of the default system subserving mindreading, among other functions, and an association between PPC dysfunction and memory impairment in ASD is consistent with recent suggestions that neural disconnectivity within the default system underlies behaviours diagnostic of ASD. En ligne : http://dx.doi.org/10.1177/1362361311417738 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=184