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Direct linkLleras, Alejandro; Porporino, Mafalda; Burack, Jacob A.; Enns, James T. – Journal of Experimental Child Psychology, 2011
In this study, 7-19-year-olds performed an interrupted visual search task in two experiments. Our question was whether the tendency to respond within 500 ms after a second glimpse of a display (the "rapid resumption" effect ["Psychological Science", 16 (2005) 684-688]) would increase with age in the same way as overall search efficiency. The…
Descriptors: Visual Stimuli, Visual Perception, Children, Adolescents
Flanagan, Tara; Enns, James T.; Murphy, Melissa M.; Russo, Natalie; Abbeduto, Leonard; Randolph, Beth; Burack, Jacob A. – Brain and Cognition, 2007
The voluntary and reflexive orienting abilities of persons with Down syndrome and fragile X syndrome, at average MA levels of approximately 4 and 7 years, were compared with an RT task. Reflexive orienting abilities appeared to develop in accordance with MA for the participants with Down syndrome but not for those with fragile X syndrome. However,…
Descriptors: Down Syndrome, Mental Retardation, Visual Perception, Comparative Analysis
Iarocci, Grace; Burack, Jacob A. – Journal of Autism and Developmental Disorders, 2004
The focus of the present study was to examine covert orienting responses to peripheral flash cues among children with autism in a situation where attentional processes were taxed by the presence of distractors in the visual field. Fourteen children with autism (MA = 6-7 years) were compared to their MA-matched peers without autism on a forced…
Descriptors: Visual Perception, Cues, Children, Autism
