Verbal short-term memory deficits in Down syndrome: phonological, semantic, or both? / N. RAITANO LEE in Journal of Neurodevelopmental Disorders, 2-1 (March 2010)  

Public ISBD [article]  inJournal of Neurodevelopmental Disorders > 2-1 (March 2010) . - p.9-25 Titre : Verbal short-term memory deficits in Down syndrome: phonological, semantic, or both? Type de document : Texte imprimé et/ou numérique Auteurs : N. RAITANO LEE, Auteur ; B. F. PENNINGTON, Auteur ; J. M. KEENAN, Auteur Article en page(s) : p.9-25 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The current study examined the phonological and semantic contributions to the verbal short-term memory (VSTM) deficit in Down syndrome (DS) by experimentally manipulating the phonological and semantic demands of VSTM tasks. The performance of 18 individuals with DS (ages 11-25) and 18 typically developing children (ages 3-10) matched pairwise on receptive vocabulary and gender was compared on four VSTM tasks, two tapping phonological VSTM (phonological similarity, nonword discrimination) and two tapping semantic VSTM (semantic category, semantic proactive interference). Group by condition interactions were found on the two phonological VSTM tasks (suggesting less sensitivity to the phonological qualities of words in DS), but not on the two semantic VSTM tasks. These findings suggest that a phonological weakness contributes to the VSTM deficit in DS. These results are discussed in relation to the DS neuropsychological and neuroanatomical phenotype. En ligne : http://dx.doi.org/10.1007/s11689-009-9029-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=342 [article] Verbal short-term memory deficits in Down syndrome: phonological, semantic, or both? [Texte imprimé et/ou numérique] / N. RAITANO LEE, Auteur ; B. F. PENNINGTON, Auteur ; J. M. KEENAN, Auteur . - p.9-25. Langues : Anglais (eng) in Journal of Neurodevelopmental Disorders > 2-1 (March 2010) . - p.9-25 Index. décimale : PER Périodiques Résumé : The current study examined the phonological and semantic contributions to the verbal short-term memory (VSTM) deficit in Down syndrome (DS) by experimentally manipulating the phonological and semantic demands of VSTM tasks. The performance of 18 individuals with DS (ages 11-25) and 18 typically developing children (ages 3-10) matched pairwise on receptive vocabulary and gender was compared on four VSTM tasks, two tapping phonological VSTM (phonological similarity, nonword discrimination) and two tapping semantic VSTM (semantic category, semantic proactive interference). Group by condition interactions were found on the two phonological VSTM tasks (suggesting less sensitivity to the phonological qualities of words in DS), but not on the two semantic VSTM tasks. These findings suggest that a phonological weakness contributes to the VSTM deficit in DS. These results are discussed in relation to the DS neuropsychological and neuroanatomical phenotype. En ligne : http://dx.doi.org/10.1007/s11689-009-9029-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=342

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