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Peer reviewedEnns, James T.; Brodeur, Darlene A. – Journal of Experimental Child Psychology, 1989
Measured covert shifts of visual attention of observers aged 6, 8, and 20 years in a speeded classification task. There were differences between children's and adults' attention orientation, target processing, and use of predictability in cues. (SAK)
Descriptors: Adults, Attention Control, Children, Cognitive Development
Direct linkGoldman, 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
