期刊
VISION RESEARCH
卷 47, 期 21, 页码 2798-2813出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2007.07.005
关键词
saccade; visual localization; visual persistence; extraretinal signal
According to current accounts, the perceived location of a target flash presented in the dark around the time of a saccade comes largely from an extraretinal signal that begins to change before, and continues to change during and following the saccade. Opposed to this view. this study offers a model suggesting that the perception of a single flash or two successive flashes in association with a saccade is the result of the combined effects of flash retinal signal persistence and an extraretinal signal that begins concurrent with or shortly after the saccade. For a single flash, the retinal signal persistence interacting with the extraretinal signal is responsible for the perceived location of the flash. In the case of two flashes with a short inter-flash-interval, the temporal overlap of the first flash persistence with the second flash persistence is a major factor in determining the perceived location of both of the flashes, and as a consequence, the perceived separation between them. (C) 2007 Elsevier Ltd. All rights reserved.
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