Abstract
In the present paper, the effects of the simultaneous presentation of a masking stimulus (an annulus) on the detectability of a test stimulus (a disk) located at the center of the masking stimulus were investigated. The results show that on the 230 peripheral retina the test disk was detected more easily when presented in isolation than when presented simultaneously with an annulus, but that the effects were reversed on the fovea, where the annulus facilitated the detection of the disk.
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Nagano, T. Simultaneous masking effect peculiar to peripheral vision. Perception & Psychophysics 40, 401–406 (1986). https://doi.org/10.3758/BF03208199
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DOI: https://doi.org/10.3758/BF03208199