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Hocking, Darren R.; Thomas, Daniel; Menant, Jasmine C.; Porter, Melanie A.; Smith, Stuart; Lord, Stephen R.; Cornish, Kim M. – Developmental Science, 2013
Previous studies suggest that individuals with Williams syndrome (WS), a rare genetically based neurodevelopmental disorder, show specific weaknesses in visual attention and response inhibition within the visuospatial domain. Here we examine the extent to which impairments in attentional control extend to the visuomotor domain using a…
Descriptors: Mental Retardation, Genetic Disorders, Inhibition, Control Groups
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Soreni, Noam; Crosbie, Jennifer; Ickowicz, Abel; Schachar, Russell – Journal of Attention Disorders, 2009
Objective: To measure test-retest reliability of the Stop-Signal Task (SST) and the Conners' Continuous Performance Test (CPT) in children with ADHD. Methods: 12 children with ADHD (age 11.46 plus or minus 1.66) participated in the study. Primary outcome measures were stop-signal reaction time (SSRT) for the SST and CPT's commission errors (%FP).…
Descriptors: Intervals, Reaction Time, Performance Tests, Attention Deficit Disorders
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Rucklidge, Julia J. – International Journal of Disability, Development & Education, 2006
Only recently have studies included a female Attention Deficit Hyperactivity Disorder (ADHD) sample when investigating neurocognitive functioning of individuals with ADHD. As such, the generalisability of findings of impaired executive functioning is limited to ADHD males. This study compared four groups aged 13-17 years: 30 male controls, 35…
Descriptors: Foreign Countries, Gender Differences, Neuropsychology, Adolescents