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Détail de l'auteur
Auteur Gwenda L. SCHMIDT
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Documents disponibles écrits par cet auteur (2)
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David H. Rakison, Lisa M. Oakes (eds): Early Category and Concept Development: Making Sense of the Blooming, Buzzing Confusion / Gwenda L. SCHMIDT in Journal of Autism and Developmental Disorders, 41-3 (March 2011)
[article]
Titre : David H. Rakison, Lisa M. Oakes (eds): Early Category and Concept Development: Making Sense of the Blooming, Buzzing Confusion : Oxford University Press, Oxford, 2003, 442 pp., ISBN 978-0195142945, $29.95 (paper) Type de document : Texte imprimé et/ou numérique Auteurs : Gwenda L. SCHMIDT, Auteur Année de publication : 2011 Article en page(s) : p.379-380 Langues : Anglais (eng) Index. décimale : PER Périodiques En ligne : http://dx.doi.org/10.1007/s10803-010-0965-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=118
in Journal of Autism and Developmental Disorders > 41-3 (March 2011) . - p.379-380[article] David H. Rakison, Lisa M. Oakes (eds): Early Category and Concept Development: Making Sense of the Blooming, Buzzing Confusion : Oxford University Press, Oxford, 2003, 442 pp., ISBN 978-0195142945, $29.95 (paper) [Texte imprimé et/ou numérique] / Gwenda L. SCHMIDT, Auteur . - 2011 . - p.379-380.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 41-3 (March 2011) . - p.379-380
Index. décimale : PER Périodiques En ligne : http://dx.doi.org/10.1007/s10803-010-0965-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=118 MEG detection of delayed auditory evoked responses in autism spectrum disorders: towards an imaging biomarker for autism / Timothy P.L. ROBERTS in Autism Research, 3-1 (February 2010)
[article]
Titre : MEG detection of delayed auditory evoked responses in autism spectrum disorders: towards an imaging biomarker for autism Type de document : Texte imprimé et/ou numérique Auteurs : Timothy P.L. ROBERTS, Auteur ; Susan E. LEVY, Auteur ; Gwenda L. SCHMIDT, Auteur ; J. Christopher EDGAR, Auteur ; Deborah M. ZARNOW, Auteur ; Mike GANDAL, Auteur ; Saba QASMIEH, Auteur ; Sarah WOLDOFF, Auteur ; Lisa BLASKEY, Auteur ; Justin F. MONROE, Auteur ; Mike REY, Auteur ; Sarah Y. KHAN, Auteur ; Katelyn M. CANNON, Auteur Année de publication : 2010 Article en page(s) : p.8-18 Langues : Anglais (eng) Mots-clés : autism-spectrum-disorders M50 M100 magnetoencephalography language-impairment auditory-evoked-response Index. décimale : PER Périodiques Résumé : Motivated by auditory and speech deficits in autism spectrum disorders (ASD), the frequency dependence of superior temporal gyrus (STG) 50 msec (M50) and 100 msec (M100) neuromagnetic auditory evoked field responses in children with ASD and typically developing controls were evaluated. Whole-cortex magnetoencephalography (MEG) was obtained from 17 typically developing children and 25 children with ASD. Subjects were presented tones with frequencies of 200, 300, 500, and 1,000 Hz, and left and right STG M50 and M100 STG activity was examined. No M50 latency or amplitude Group differences were observed. In the right hemisphere, a Group×Frequency ANOVA on M100 latency produced a main effect for Group (P=0.01), with an average M100 latency delay of 11 msec in children with ASD. In addition, only in the control group was the expected association of earlier M100 latencies in older than younger children observed. Group latency differences remained significant when hierarchical regression analyses partialed out M100 variance associated with age, IQ, and language ability (all P-values <0.05). Examining the right-hemisphere 500 Hz condition (where the largest latency differences were observed), a sensitivity of 75%, a specificity of 81%, and a positive predictive value (PPV) of 86% was obtained at a threshold of 116 msec. The M100 latency delay indicates disruption of encoding simple sensory information. Given similar findings in language impaired and nonlanguage impaired ASD subjects, a right-hemisphere M100 latency delay appears to be an electrophysiological endophenotype for autism. En ligne : http://dx.doi.org/10.1002/aur.111 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=993
in Autism Research > 3-1 (February 2010) . - p.8-18[article] MEG detection of delayed auditory evoked responses in autism spectrum disorders: towards an imaging biomarker for autism [Texte imprimé et/ou numérique] / Timothy P.L. ROBERTS, Auteur ; Susan E. LEVY, Auteur ; Gwenda L. SCHMIDT, Auteur ; J. Christopher EDGAR, Auteur ; Deborah M. ZARNOW, Auteur ; Mike GANDAL, Auteur ; Saba QASMIEH, Auteur ; Sarah WOLDOFF, Auteur ; Lisa BLASKEY, Auteur ; Justin F. MONROE, Auteur ; Mike REY, Auteur ; Sarah Y. KHAN, Auteur ; Katelyn M. CANNON, Auteur . - 2010 . - p.8-18.
Langues : Anglais (eng)
in Autism Research > 3-1 (February 2010) . - p.8-18
Mots-clés : autism-spectrum-disorders M50 M100 magnetoencephalography language-impairment auditory-evoked-response Index. décimale : PER Périodiques Résumé : Motivated by auditory and speech deficits in autism spectrum disorders (ASD), the frequency dependence of superior temporal gyrus (STG) 50 msec (M50) and 100 msec (M100) neuromagnetic auditory evoked field responses in children with ASD and typically developing controls were evaluated. Whole-cortex magnetoencephalography (MEG) was obtained from 17 typically developing children and 25 children with ASD. Subjects were presented tones with frequencies of 200, 300, 500, and 1,000 Hz, and left and right STG M50 and M100 STG activity was examined. No M50 latency or amplitude Group differences were observed. In the right hemisphere, a Group×Frequency ANOVA on M100 latency produced a main effect for Group (P=0.01), with an average M100 latency delay of 11 msec in children with ASD. In addition, only in the control group was the expected association of earlier M100 latencies in older than younger children observed. Group latency differences remained significant when hierarchical regression analyses partialed out M100 variance associated with age, IQ, and language ability (all P-values <0.05). Examining the right-hemisphere 500 Hz condition (where the largest latency differences were observed), a sensitivity of 75%, a specificity of 81%, and a positive predictive value (PPV) of 86% was obtained at a threshold of 116 msec. The M100 latency delay indicates disruption of encoding simple sensory information. Given similar findings in language impaired and nonlanguage impaired ASD subjects, a right-hemisphere M100 latency delay appears to be an electrophysiological endophenotype for autism. En ligne : http://dx.doi.org/10.1002/aur.111 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=993