The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
A map of visual space in the primate entorhinal cortex
Open accessAbstract
Place-modulated activity among neurons in the hippocampal formation presents a means to organize contextual information in the service of memory formation and recall. One particular spatial representation, that of grid cells, has been observed in the entorhinal cortex (EC) of rats and bats, but has yet to be described in single units in primates. Here we examined spatial representations in the EC of head-fixed monkeys performing a free-viewing visual memory task. Individual neurons were identified in the primate EC that emitted action potentials when the monkey fixated multiple discrete locations in the visual field in each of many sequentially presented complex images. These firing fields possessed spatial periodicity similar to a triangular tiling with a corresponding well-defined hexagonal structure in the spatial autocorrelation. Further, these neurons showed theta-band oscillatory activity and changing spatial scale as a function of distance from the rhinal sulcus, which is consistent with previous findings in rodents. These spatial representations may provide a framework to anchor the encoding of stimulus content in a complex visual scene. Together, our results provide a direct demonstration of grid cells in the primate and suggest that EC neurons encode space during visual exploration, even without locomotion.
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Cites
Microstructure of a spatial map in the entorhinal cortex
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Evidence for grid cells in a human memory network
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Finite scale of spatial representation in the hippocampus
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Reduction of Theta Rhythm Dissociates Grid Cell Spatial Periodicity from Directional Tuning
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Cited by
Functional organization of the hippocampal longitudinal axis
Strange, B. A., Witter, M. P., Lein, E. S., & Moser, E. I. (2014) · Nature reviews. Neuroscience · doi:10.1038/nrn3785 · Cited by 1,738
The Molecular and Systems Biology of Memory
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Controllability of structural brain networks
Gu, S., Pasqualetti, F., Cieslak, M., Telesford, Q. K., Yu, A. B., Kahn, A. E., Medaglia, J. D., Vettel, J. M., Miller, M. B., Grafton, S. T., et al. (2015) · Nature Communications · doi:10.1038/ncomms9414 · Cited by 912
“• Entorhinal cortex The entorhinal cortex encodes visual information 110 .”
Mapping of a non-spatial dimension by the hippocampal-entorhinal circuit
Aronov, D., Nevers, R., & Tank, D. W. (2017) · Nature · doi:10.1038/nature21692 · Cited by 773
The Restless Engram: Consolidations Never End
Dudai, Y. (2012) · Annual Review of Neuroscience · doi:10.1146/annurev-neuro-062111-150500 · Cited by 644
Metadata
- Authors
- Killian, N. J., Jutras, M. J., & Buffalo, E. A.
- Venue
- Nature
- Published
- 2012-10-28
- Volume
- 491
- Issue
- 7426
- Pages
- 761-764
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2012918357
- Cited by
- 475
- References
- 8
- FWCI
- 13.97
- Type
- journal article
- Language
- en
- Open access
- green
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