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Mostert-Kerckhoffs, Mandy A.; Staal, Wouter G.; Houben, Renske H.; de Jonge, Maretha V. – Journal of Autism and Developmental Disorders, 2015
Cognitive control dysfunctions, like inhibitory and attentional flexibility deficits are assumed to underlie repetitive behavior in individuals with autism spectrum disorders (ASD). In the present study, prepotent response inhibition and attentional flexibility were examined in 64 high-functioning individuals with ASD and 53 control participants.…
Descriptors: Inhibition, Attention, Cognitive Ability, Neurological Impairments
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Rodgers, J.; Glod, M.; Connolly, B.; McConachie, H. – Journal of Autism and Developmental Disorders, 2012
Children with Autism Spectrum Disorder are vulnerable to anxiety. Repetitive behaviours are a core feature of Autism Spectrum Disorder (ASD) and have been associated with anxiety. This study examined repetitive behaviours and anxiety in two groups of children with autism spectrum disorder, those with high anxiety and those with lower levels of…
Descriptors: Anxiety, Autism, Pervasive Developmental Disorders, Behavior Problems
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Murdock, Linda C.; Dantzler, John A.; Walker, Anne N.; Wood, L. Becca – Focus on Autism and Other Developmental Disabilities, 2014
A randomized pretest-posttest control group design was utilized to measure the effects of a platform swing on independent work behaviors of 30 children with Autism Spectrum Disorders (ASD). Participants engaged in two 5-min intervals of independent work. Between the intervals, participants in the treatment group received 5 min of vestibular…
Descriptors: Motion, Pervasive Developmental Disorders, Autism, Independent Study
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Newell, Karl M.; Bodfish, James W. – American Journal on Mental Retardation, 2007
The relation between the movement dynamic properties of sitting still and of seated body-rocking in adults with stereotyped movement disorder and mental retardation and a contrast group of typically developing age-matched adults was examined. Continuous measurement of sequential displacements in center-of-pressure was made using a force platform…
Descriptors: Severe Mental Retardation, Human Posture, Motion, Behavior Problems
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Aman, Michael G.; Hollway, Jill A.; Leone, Sarah; Masty, Jessica; Lindsay, Ronald; Nash, Patricia; Arnold, L. Eugene – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
This study was designed to explore the placebo-controlled effects of risperidone on cognitive-motor processes, dyskinetic movements, and behavior in children receiving maintenance risperidone therapy. Sixteen children aged 4-14 years with disruptive behavior were randomly assigned to drug order in a crossover study of risperidone and placebo for 2…
Descriptors: Metabolism, Behavior Problems, Reaction Time, Hyperactivity
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Heiser, Philip; Heinzel-Gutenbrunner, Monika; Frey, Joachim; Smidt, Judith; Grabarkiewicz, Justyna; Friedel, Susann; Kuhnau, Wolfgang; Schmidtke, Jorg; Remschmidt, Helmut; Hebebrand, Johannes – Journal of Attention Disorders, 2006
Objective: The purpose of this study was to assess heritability of activity, attention, and impulsivity by comparing young monozygotic (MZ) twins with dizygotic (DZ) twins using objective measures. Method: The OPTAx test is an infrared motion analysis to record the movement pattern during a continuous performance test. Seventeen MZ and 12 same…
Descriptors: Conceptual Tempo, Twins, Behavior Problems, Performance Tests