Williams Syndrome and Memory: A Neuroanatomic and Cognitive Approach / Adriana SAMPAIO in Journal of Autism and Developmental Disorders, 40-7 (July 2010)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 40-7 (July 2010) . - p.870-877 Titre : Williams Syndrome and Memory: A Neuroanatomic and Cognitive Approach Type de document : Texte imprimé et/ou numérique Auteurs : Adriana SAMPAIO, Auteur ; Nuno SOUSA, Auteur ; Montse FERNANDEZ, Auteur ; Cristiana VASCONCELOS, Auteur ; Martha E. SHENTON, Auteur ; Oscar F. GONCALVES, Auteur Année de publication : 2010 Article en page(s) : p.870-877 Langues : Anglais (eng) Mots-clés : Williams-Syndrome Neurodevelopment Hippocampal-formation Memory-performance Index. décimale : PER Périodiques Résumé : Williams Syndrome (WS) is described as displaying a dissociation within memory systems. As the integrity of hippocampal formation (HF) is determinant for memory performance, we examined HF volumes and its association with memory measures in a group of WS and in a typically development group. A significantly reduced intracranial content was found in WS, despite no differences were observed for HF absolute volumes between groups. When volumes were normalized, left HF was increased in WS. Moreover, a lack of the normal right > left HF asymmetry was observed in WS. No positive correlations were found between volumetric and neurocognitive data in WS. In sum, a relative enlargement of HF and atypical patterns of asymmetry suggest abnormal brain development in WS. En ligne : http://dx.doi.org/10.1007/s10803-010-0940-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=107 [article] Williams Syndrome and Memory: A Neuroanatomic and Cognitive Approach [Texte imprimé et/ou numérique] / Adriana SAMPAIO, Auteur ; Nuno SOUSA, Auteur ; Montse FERNANDEZ, Auteur ; Cristiana VASCONCELOS, Auteur ; Martha E. SHENTON, Auteur ; Oscar F. GONCALVES, Auteur . - 2010 . - p.870-877. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 40-7 (July 2010) . - p.870-877 Mots-clés : Williams-Syndrome Neurodevelopment Hippocampal-formation Memory-performance Index. décimale : PER Périodiques Résumé : Williams Syndrome (WS) is described as displaying a dissociation within memory systems. As the integrity of hippocampal formation (HF) is determinant for memory performance, we examined HF volumes and its association with memory measures in a group of WS and in a typically development group. A significantly reduced intracranial content was found in WS, despite no differences were observed for HF absolute volumes between groups. When volumes were normalized, left HF was increased in WS. Moreover, a lack of the normal right > left HF asymmetry was observed in WS. No positive correlations were found between volumetric and neurocognitive data in WS. In sum, a relative enlargement of HF and atypical patterns of asymmetry suggest abnormal brain development in WS. En ligne : http://dx.doi.org/10.1007/s10803-010-0940-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=107

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