Abstract
The purposes of the present experiment were to provide information on rate of information processing in visual perception and to determine the degree to which the “sequential blanking” effect found by Mayzner. Tresselt, and Cohen (1966) constituted a limitation on rapid sequential input rates. A 10-channel tachisto scope was employed that permitted controlled durations of each of the 10 channels and the 9 inter channel intervals. The S’s task was one of visual search or detection in which he searched for a target letter among noise letters. A temporal interval forced-choice procedure was used. In addition to varying the rate at which letters were sequentially presented, various irregular temporal spatial orders of presentation of the letter sequences were employed and the direction and orientation of the display in the visual field was varied as was also the spacing between adjacent stimuli. No evidence of “sequential blanking” was found either in terms of the detection criterion or in the Ss’ phenomenal reports. Detection performance was as good at a rate of 2 1/2 msec per letter as it was at a rate of 30 msec per letter.
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This investigation was supported by Public Health Service Research Grant MH-1206 and a Public Health Service Research Career Program Award K6-MH-22, 014.
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Eriksen, C.W., Spencer, T.J. Visual search under conditions of very rapid sequential Input rates. Perception & Psychophysics 4, 197–202 (1968). https://doi.org/10.3758/BF03206300
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DOI: https://doi.org/10.3758/BF03206300