Saccadic eye movements of children and adults to double-step stimuli

The programming and reprogramming of oculomotor responses to double-step and single-step targets was investigated in 5-6-year-old and 10-12-year-old children and in adults. The independent variables in Experiment 1 were intertarget interval (50, 100, 150, and 200 msec) and target location. The number of trials on which a saccade was made to both first and second targets increased with age and intertarget interval, but the two factors did not interact. On trials where responses were made only to the second target, the children responded slower than the adults but showed generally similar patterns of response latencies. In Experiment 2, a warning signal was presented 0, 100, or 300 msec prior to the first target. For adults the 100- and 300-msec warning intervals reduced the latency of single-step responses and the first saccade of double-step responses, whereas only the 300-msec warning interval was similarly effective with children. In both experiments subjects in all age groups exhibited amplitude transition functions, indicating that the modifiability of saccadic programming is basically similar for adults and children. A comparison of simultaneous programming

Audiology · Cognitive psychology · Developmental psychology · Eye movement · Interval (graph theory · Motor program · Saccade · Saccadic masking · Saccadic suppression of image displacement · Gaze Tracking and Assistive Technology · Mathematics · Medicine · Neuroscience · Psychology · Visual Attention and Saliency Detection · Visual perception and processing mechanisms

• Using E-Z Reader to examine the concurrent development of eye-movement control and reading skill

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