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Hippocampal spatial view cells, place cells, and concept cells : view representations
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Rolls, Edmund T. (2023) Hippocampal spatial view cells, place cells, and concept cells : view representations. Hippocampus, 33 (5). pp. 667-687. doi:10.1002/hipo.23536 ISSN 1098-1063.
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Official URL: https://doi.org/10.1002/hipo.23536
Abstract
A commentary is provided on issues raised in the Special Issue of Hippocampus (2023) on hippocampal system view representations. First, the evidence for hippocampal and parahippocampal spatial view cells in primates including humans shows that the allocentric representations provided by at least some of these cells are very useful for human memory in that where objects and rewards are seen in the world “out there” is a key component of episodic memory and navigation. Spatial view cell representations provide for memory and navigation to be independent of the place where the individual is currently located and of the egocentric coordinates of the viewed location and the facing direction of the individual. Second, memory and navigation in humans are normally related to the visual cues encoded by spatial view cells that define a location “out there” such as a building, hill, and so forth, not to an unmarked place without local cues and identified only by distant environmental/room cues. Third, “mixed” representations, for example of particular combinations of spatial view and place, can arise if the training has been for only some combinations of place and view, for that is what can then be learned by the hippocampus. Fourth, rodents, with their much less good visual acuity (~1 cycle/° in rats, compared with ~60 cycles/° for the human fovea), and rodents' very wide viewing angle for the world (~270°) might be expected, when using the same computational mechanisms as in primates, to use widely spaced environmental cues to define a place where the rodent is located, supported by inputs about place using local olfactory and tactile cues. Fifth, it is shown how view-point dependent allocentric representations could form a view-point independent allocentric representation for memory and navigation. Sixth, concept cells in humans and primates with connectivity to the hippocampus are compared.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Journal or Publication Title: | Hippocampus | ||||||||
Publisher: | Wiley | ||||||||
ISSN: | 1098-1063 | ||||||||
Official Date: | May 2023 | ||||||||
Dates: |
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Volume: | 33 | ||||||||
Number: | 5 | ||||||||
Page Range: | pp. 667-687 | ||||||||
DOI: | 10.1002/hipo.23536 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Reuse Statement (publisher, data, author rights): | ** Article version: VoR ** From Crossref journal articles via Jisc Publications Router ** History: epub 10-04-2023; issued 10-04-2023. ** Licence for VoR version of this article starting on 10-04-2023: http://onlinelibrary.wiley.com/termsAndConditions#vor | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
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