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Hayden, Alys M.; Tomporowski, Phillip D. – 1988
This research study evaluated the effects of memory demand on sustained attention, by varying the time interval between the presentations of stimuli in a cognitive vigilance task. Sixteen retarded and 16 nonretarded adult observers performed four 60-minute visual vigilance tasks in which single digits were presented sequentially and successively…
Descriptors: Adults, Attention, Attention Span, Comparative Analysis
