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Abstract

Results are reported for an experiment in which subjects were required to detect simple stimuli presented tachistoscopically to the periphery and/or fovea. Three modes of stimulus presentation were employed: an SM_f mode in which foveal stimuli were presented alone; an SM_p mode in which peripheral stimuli were presented alone; and an SIM_fp mode in which foveal and peripheral stimuli were presented simultaneously. Stimulus detection was significantly better under SM_f and SM_p modes of presentation than under an SIM_fp mode of presentation. Results are discussed in terms of a limited-capacity attentional model in which selective factors operate in the initial processing of visual stimuli and prior to short-term memory.

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Visual Processing of Simultaneously Presented Peripheral and Foveal Stimuli

Abstract

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