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Lleras, 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
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Goldman, Karen J.; Flanagan, Tara; Shulman, Cory; Enns, James T.; Burack, Jacob A. – American Journal on Mental Retardation, 2005
A forced-choice reaction-time (RT) task was used to examine voluntary visual orienting among children and adolescents with trisomy 21 Down syndrome and typically developing children matched at an MA of approximately 5.6 years, an age when the development of orienting abilities reaches optimal adult-like efficiency. Both groups displayed faster…
Descriptors: Adolescents, Down Syndrome, Task Analysis, Reaction Time