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Description of Routes in People with Intellectual Disability
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Courbois, Yannick; Mengue-Topio, Hursula; Blades, Mark; Farran, Emily K.; Sockeel, Pascal – American Journal on Intellectual and Developmental Disabilities, 2019
The ability to describe routes was assessed in participants with intellectual disability (ID) and participants without ID matched on chronological age (CA) or on mental age (MA). In two experiments, participants learned a route through a virtual environment until they reached a learning criterion. They were then asked to externalize their spatial…
Descriptors: Intellectual Disability, Age, Mental Age, Virtual Classrooms
A Qualitative Analysis of Imitation Performances of Preschoolers with Down Syndrome
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Vanvuchelen, Marleen – American Journal on Intellectual and Developmental Disabilities, 2016
A number of studies suggest that imitation is a characteristic strength in children with Down Syndrome (DS). The present study aims to discover whether imitation performances are qualitatively phenotypical in DS. Eight preschoolers with DS were matched on chronological, mental, language and imitation age with 8 preschoolers with intellectual…
Descriptors: Down Syndrome, Imitation, Preschool Children, Qualitative Research
A Multi-Method Investigation of Pragmatic Development in Individuals with down Syndrome
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Lee, Michelle; Bush, Lauren; Martin, Gary E.; Barstein, Jamie; Maltman, Nell; Klusek, Jessica; Losh, Molly – American Journal on Intellectual and Developmental Disabilities, 2017
This longitudinal study examined pragmatic language in boys and girls with Down syndrome (DS) at up to three time points, using parent report, standardized and direct assessments. We also explored relationships among theory of mind, executive function, nonverbal mental age, receptive and expressive vocabulary, grammatical complexity, and pragmatic…
Descriptors: Down Syndrome, Children, Language Skills, Pragmatics
An Investigation of Narrative Ability in Boys with Autism and Fragile X Syndrome
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Hogan-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
Caregiver Report of Executive Functioning in a Population-Based Sample of Young Children with Down Syndrome
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Lee, Nancy Raitano; Fidler, Deborah J.; Blakeley-Smith, Audrey; Daunhauer, Lisa; Robinson, Cordelia; Hepburn, Susan L. – American Journal on Intellectual and Developmental Disabilities, 2011
The current study describes everyday executive function (EF) profiles in young children with Down syndrome. Caregivers of children with Down syndrome (n = 26; chronological ages = 4-10 years; mental ages = 2-4 years) completed the Behavior Rating Inventory of Executive Function-Preschool (BRIEF-P; G. A. Gioia, K. A. Espy, & P. K. Isquith, 2003), a…
Descriptors: Mental Age, Caregivers, Down Syndrome, Young Children
Everyday Memory and Working Memory in Adolescents with Mild Intellectual Disability
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Van der Molen, M. J.; Van Luit, J. E. H.; Van der Molen, Maurits W.; Jongmans, Marian J. – American Journal on Intellectual and Developmental Disabilities, 2010
Everyday memory and its relationship to working memory was investigated in adolescents with mild intellectual disability and compared to typically developing adolescents of the same age (CA) and younger children matched on mental age (MA). Results showed a delay on almost all memory measures for the adolescents with mild intellectual disability…
Descriptors: Mental Age, Mild Mental Retardation, Adolescents, Short Term Memory