Presentation 2014-09-26
Spatiotemporal receptive field map of motion-sensitive neurons in cortical areas MT/MST across saccadic eye movements
Naoko INABA, Kenji KAWANO,
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Abstract(in English) Our vision remains stable and continuous despite self-induced retinal image motion. To understand the neuronal mechanisms of visual stability across saccadic eye movements, we observed spatiotemporal changes of receptive fields of motion-sensitive neurons in posterior-parietal cortex across periods of saccades. We found that most neurons in area MST responded after the saccade to the stimulus that had pre-existed only before the saccade: so-called "memory remapping". The results suggest that visual information before the saccade was retained and recalled by the saccade in spatiotopic coordinates. The recalled information and the renewed information after the saccade would be integrated in area MST, thus allowing perception of the visual world as stable and continuous.
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Keyword(in English) MST / MT / saccade / receptive field / visual stability
Paper # HIP2014-55
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Committee HIP
Conference Date 2014/9/18(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Spatiotemporal receptive field map of motion-sensitive neurons in cortical areas MT/MST across saccadic eye movements
Sub Title (in English)
Keyword(1) MST
Keyword(2) MT
Keyword(3) saccade
Keyword(4) receptive field
Keyword(5) visual stability
1st Author's Name Naoko INABA
1st Author's Affiliation C-PIER, Kyoto University()
2nd Author's Name Kenji KAWANO
2nd Author's Affiliation Graduate School of Medicine, Kyoto University
Date 2014-09-26
Paper # HIP2014-55
Volume (vol) vol.114
Number (no) 226
Page pp.pp.-
#Pages 6
Date of Issue