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Rossi, N. F.; Giacheti, C. M. – Journal of Intellectual Disability Research, 2017
Background: Williams syndrome (WS) phenotype is described as unique and intriguing. The aim of this study was to investigate the associations between speech-language abilities, general cognitive functioning and behavioural problems in individuals with WS, considering age effects and speech-language characteristics of WS sub-groups. Methods: The…
Descriptors: Genetic Disorders, Developmental Disabilities, Correlation, Speech Skills
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Ji, N. Y.; Capone, G. T.; Kaufmann, W. E. – Journal of Intellectual Disability Research, 2011
Background: The diagnostic validity of autism spectrum disorder (ASD) based on Diagnostic and Statistical Manual of Mental Disorders (DSM) has been challenged in Down syndrome (DS), because of the high prevalence of cognitive impairments in this population. Therefore, we attempted to validate DSM-based diagnoses via an unbiased categorisation of…
Descriptors: Check Lists, Autism, Hyperactivity, Down Syndrome
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Bitsika, V.; Sharpley, C. F.; Orapeleng, S. – Journal of Intellectual Disability Research, 2008
Background: Autism spectrum disorder (ASD) includes symptoms that vary in severity and frequency between children. Consequently, multiple psychometric assessment procedures are recommended to detect an ASD, including scales which asses the presence and nature of ASD-related behaviour. However, to date, few studies have examined the relative and…
Descriptors: Elementary School Students, Preschool Children, Autism, Intelligence Tests