Two experiments were performed to investigate the perception of peripherally presented apparent motion as a function of eccentricity of the stimulus, ambient illumination, gender, athletic ability, age, stimuli pattern (diamond, square), and angular extent of stimuli presentation. The experiment task for both studies was to determine the direction of apparent motion for a lighter than background stimulus target presented on a Braumbach perimeter. The results from experiment one indicated main effects for subjects, eccentricity, and age. The results from experiment two indicated main effects for subjects, eccentricity, and angular separation of the apparent motion.
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