Abstract
Eighteen right-handed male subjects estimated the duration of dot patterns of varying numerosity which were briefly flashed to the left and right visual fields. The mean judged duration of patterns flashed to the left visual field was significantly less than the mean judged duration of patterns flashed to the right visual field. However, the duration of all patterns was underestimated, regardless of visual field. In addition, apparent duration increased linearly when plotted as a function of log duration and increased monotonically when plotted as a function of stimulus numerosity. Overall accuracy was nearly equivalent in both visual fields, but there were interactions between actual durations and visual field and between numerosity and visual field. Thomas and Weaver’s [1975) model for time perception is applied to the data, and it is suggested that the left hemisphere relies on a timer to estimate duration, while the right hemisphere relies on a visual information processor to estimate duration. nt]mis|The author would like to thank A. B. Kristofferson, S. F. Witelson, an anonymous referee, Mary Kay Fortman, and Allen Gouse for their helpful comments. Some of these data were presented at the meeting of the Midwestern Psychological
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Erwin, D. E., & Nebes, R. D. Right hemispheric involvement in the functional properties of visual persistence. Paper presented at the meeting of the Eastern Psychological Association, New York, April 1976.
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Polzella, D.J., DaPolito, F. & Hinsman, M.C. Cerebral asymmetry in time perception. Perception & Psychophysics 21, 187–192 (1977). https://doi.org/10.3758/BF03198724
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DOI: https://doi.org/10.3758/BF03198724