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Direct linkHogan-Brown, Abigail L.; Losh, Molly; Martin, Gary E.; Mueffelmann, Deborah J. – American Journal on Intellectual and Developmental Disabilities, 2013
Whereas pragmatic language difficulties are characteristic of both autism and Fragile X syndrome, it is unclear whether such deficits are qualitatively similar or whether certain skills are differentially affected. This study compared narrative competence in boys with autism, Fragile X syndrome, Down syndrome, and typical development. Results…
Descriptors: Males, Story Telling, Autism, Pervasive Developmental Disorders
Martin, Gary E.; Losh, Molly; Estigarribia, Bruno; Sideris, John; Roberts, Joanne – International Journal of Language & Communication Disorders, 2013
Background: Fragile X syndrome (FXS) and Down syndrome (DS) are the two leading genetic causes of intellectual disability, and FXS is the most common known genetic condition associated with autism. Both FXS and DS are associated with significant language impairment, but little is known about expressive language across domains over time or the role…
Descriptors: Expressive Language, Vocabulary, Syntax, Pragmatics
Estigarribia, Bruno; Martin, Gary E.; Roberts, Joanne E.; Spencer, Amy; Gucwa, Agnieszka; Sideris, John – Applied Psycholinguistics, 2011
We examined recalled narratives of boys with fragile X syndrome with autism spectrum disorder (FXS-ASD; N = 28) and without ASD (FXS-O; N = 29), and compared them to those of boys with Down syndrome (N = 33) and typically developing (TD) boys (N = 39). Narratives were scored for mentions of macrostructural story grammar elements (introduction,…
Descriptors: Story Grammar, Mental Age, Age, Syntax
Annaz, Dagmara; Karmiloff-Smith, Annette; Johnson, Mark H.; Thomas, Michael S. C. – Journal of Experimental Child Psychology, 2009
We report a cross-syndrome comparison of the development of holistic processing in face recognition in school-aged children with developmental disorders: autism, Down syndrome, and Williams syndrome. The autism group was split into two groups: one with high-functioning children and one with low-functioning children. The latter group has rarely…
Descriptors: Mental Age, Age, Autism, Down Syndrome
Heaton, Pamela; Allen, Rory; Williams, Kerry; Cummins, Omar; Happe, Francesca – British Journal of Developmental Psychology, 2008
Children with autism experience difficulties in understanding social affective cues, and it has been suggested that such deficits will generalize to music. In order to investigate this proposal, typically developing individuals and children with autism and Down syndrome were compared on tasks measuring perception of affective and movement states…
Descriptors: Evidence, Cues, Mental Age, Music
Evans, David W.; Canavera, Kristin; Kleinpeter, F. Lee; Maccubbin, Elise; Taga, Ken – Child Psychiatry and Human Development, 2005
This study compared the fears and behavior problems of 25 children with an autism spectrum disorder (ASD), 43 children with Down syndrome (DS), 45 mental age (MA) matched children, and 37 chronologically age (CA) matched children. Children's fears, phobias, anxieties and behavioral problems were assessed using parent reports. Significant…
Descriptors: Down Syndrome, Behavior Problems, Mental Age, Pervasive Developmental Disorders
