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Effects of eye position on estimates of eye displacement for spatial updating.

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Title: Effects of eye position on estimates of eye displacement for spatial updating.
Authors: Tanaka, Masaki Browse this author →KAKEN DB
Keywords: Saccade
Smooth pursuit
Spatial memory
Eye position
Eye movements
Issue Date: 22-Aug-2005
Publisher: Lippincott Williams & Wilkins
Journal Title: NeuroReport
Volume: 16
Issue: 12
Start Page: 1261
End Page: 1265
PMID: 16056121
Abstract: Neurons in the parietal cortex represent spatial memory of visual stimuli in an eye-centered coordinate frame. To preserve spatial stability across eye movements, spatial memory must be updated during each eye movement. Since eye movement signals in the parietal cortex are known to be modulated by eye position in the orbit, estimates of eye displacement based on these signals could also be influenced by eye position. The present study examined the possible effect of eye position on the accuracy of memory-guided saccades in monkeys following saccades or smooth pursuit during the memory period. The results showed that eye position has a modest effect on saccade localization, suggesting that eye position signal plays a modulatory role in updating visuospatial working memory.
Rights: This is a non-final version of an article published in final form in (
Type: article (author version)
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 田中 真樹

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