Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
Temporal integration and visual masking of dot patterns successively presented
TADASHI KIKUCHITADASU OYAMASHIGERU ICHIHARA
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1983 Volume 25 Issue 3 Pages 147-155

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Abstract

Two visual stimuli consisting of one to five dots were presented successively for 5 ms each with a varying SOA. The reports of four subjects were classified into three types: Type 1, simultaneous perception of the two stimuli; Type 2, partially integrated perception; and Type 3, independent perception. The dominant type changed with the increase of the SOA. Type 1 prevailed up to the SOA of 60 ms and then was superseded by Type 2, which then was replaced by Type 3 as the SOA exceeded 100 ms, Correct responses of the first and the second stimuli were examined separately. Three possible sources of temporal integration and visual masking were discussed in the context of a multistage model proposed by Oyama, Kikuchi, and Ichihara (1981).

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