Abstract
Following the work of Weber & Castleman (1970), who found a time period of about 500 msec for the successive production in imagery of letters of the alphabet, an imaginal task less cognitive in nature was timed. Twenty-four Ss in a CFF study attempted to match the rate of flicker of a subfusional light in visual imagery. The modal ability for imagining flicker is about 250 msec in period.
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Crovitz, H.F., Rosof, D. & Schiffman, H. Timing oscillation in human visual imagery. Psychon Sci 24, 87–88 (1971). https://doi.org/10.3758/BF03337905
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DOI: https://doi.org/10.3758/BF03337905