期刊
TRENDS IN NEUROSCIENCES
卷 38, 期 4, 页码 195-206出版社
CELL PRESS
DOI: 10.1016/j.tins.2015.01.005
关键词
vision; eye movements; retina; neural encoding; ocular drift; microsaccades
资金
- National Institutes of Health [EY18363, EY09314, EY07977]
- National Science Foundation [1127216, 1420212, 0843304]
- Direct For Social, Behav & Economic Scie
- SBE Off Of Multidisciplinary Activities [1420212] Funding Source: National Science Foundation
- Division Of Behavioral and Cognitive Sci
- Direct For Social, Behav & Economic Scie [1127216] Funding Source: National Science Foundation
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [0843304] Funding Source: National Science Foundation
How is space represented in the visual system? At first glance, the answer to this fundamental question appears straightforward: spatial information is directly encoded in the locations of neurons within maps. This concept has long dominated visual neuroscience, leading to mainstream theories of how neurons encode information. However, an accumulation of evidence indicates that this purely spatial view is incomplete and that, even for static images, the representation is fundamentally spatiotemporal. The evidence for this new understanding centers on recent experimental findings concerning the functional role of fixational eye movements, the tiny movements humans and other species continually perform, even when attending to a single point. We review some of these findings and discuss their functional implications.
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