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Limoges, Elyse; Bolduc, Christianne; Berthiaume, Claude; Mottron, Laurent; Godbout, Roger – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
Poor sleep is a common feature in autism even though patients themselves do not necessarily complain. The impact of poor sleep on daytime cognitive functioning in autism is not well-known and we therefore investigated whether sleep in autism correlates with daytime cognitive performance. A battery of non-verbal tasks was administered, in the…
Descriptors: Memory, Accuracy, Sleep, Autism
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Nyden, Agneta; Niklasson, Lena; Stahlberg, Ola; Anckarsater, Henrik; Wentz, Elisabet; Rastam, Maria; Gillberg, Christopher – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
The purpose of the present study was to assess which types of neuropsychological deficits appear to be most commonly associated with autism spectrum disorders (ASD) and attention-deficit/hyperactivity disorder (ADHD) in adults. The effect of the combination of ASD with ADHD (ASD/ADHD) was also studied. One hundred and sixty-one adult individuals…
Descriptors: Neurological Impairments, Autism, Attention Deficit Hyperactivity Disorder, Pervasive Developmental Disorders
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Oka, Kohei; Miura, Toshiaki – Research in Developmental Disabilities: A Multidisciplinary Journal, 2008
Persons with mild and moderate mental retardation and CA-matched persons without mental retardation performed a dual-task, "pencil-and-paper task" (Baddeley, Della Sala, Gray, Papagno, & Spinnler (1997). Testing central executive functioning with a pencil-and-paper test. In Rabbit (Ed.), Methodology of Frontal and Executive Function (pp. 61-80).…
Descriptors: Mental Retardation, Cognitive Processes, Memory, Task Analysis
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Van der Molen, M. J. W.; Huizinga, M.; Huizenga, H. M.; Ridderinkhof, K. R.; Van der Molen, M. W.; Hamel, B. J. C.; Curfs, L. M. G.; Ramakers, G. J. A. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
The present study examined the cognitive profile in Fragile X Syndrome (FXS) males, and investigated whether cognitive profiles are similar for FXS males at different levels of intellectual functioning. Cognitive abilities in non-verbal, verbal, memory and executive functioning domains were contrasted to both a non-verbal and verbal mental age…
Descriptors: Symptoms (Individual Disorders), Short Term Memory, Males, Cognitive Ability
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Su, Chwen-Yng; Lin, Yueh-Hsien; Wu, Yuh-Yih; Chen, Ching-Chiang – Research in Developmental Disabilities: A Multidisciplinary Journal, 2008
Few studies have specifically investigated the cognitive correlates of employment for persons with mental retardation. To evaluate the relationship of cognitive and adaptive functioning to work status, 56 competitively employed and 55 unemployed individuals with mental retardation underwent a comprehensive neuropsychological and adaptive…
Descriptors: Mental Retardation, Visual Perception, Adjustment (to Environment), Cognitive Ability