Performance of the Human Peripheral Visual System under Various Loads
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
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This report measured the effects of single and multiple spatial presentations in various positions in the human peripheral visual field. Subjects fixated on a central point and attempted to accurately discern orientations of peripherally located stimuli. The peripheral tasks were sine- wave gratings generated on HP-120 5A oscilloscopes. Stimuli were presented at various positions along the horizontal and vertical axes of the visual field. Stimulus presentation times were 20, 50, 100, and 500 msec. Lateral differences in perception were noted with the data showing high statistical significance. The number of events processed also proved to be a significant variable. The dominance of the right cerebral hemisphere for processing spatial information was very evident. Such results have strong implications as to where spatial presentations should be located in the visual field to maximize visual performance.
- Anatomy and Physiology
- Human Factors Engineering and Man Machine Systems