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Microstructure of a spatial map in the entorhinal cortex
The ability to find one's way depends on neural algorithms that integrate information about place, distance and direction, but the implementation of these operations in cortical microcircuits isExpand
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Path integration and the neural basis of the 'cognitive map'
TLDR
The hippocampal formation can encode relative spatial location, without reference to external cues, by the integration of linear and angular self-motion (path integration). Expand
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Frequency of gamma oscillations routes flow of information in the hippocampus
Gamma oscillations are thought to transiently link distributed cell assemblies that are processing related information, a function that is probably important for network processes such as perception,Expand
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Pattern Separation in the Dentate Gyrus and CA3 of the Hippocampus
Theoretical models have long pointed to the dentate gyrus as a possible source of neuronal pattern separation. In agreement with predictions from these models, we show that minimal changes in theExpand
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Conjunctive Representation of Position, Direction, and Velocity in Entorhinal Cortex
TLDR
Grid cells in the medial entorhinal cortex (MEC) are part of an environment-independent spatial coordinate system. Expand
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The entorhinal grid map is discretized
TLDR
We show with recordings from up to 186 grid cells in individual rats that grid cells cluster into a small number of layer-spanning anatomically overlapping modules with distinct scale, orientation, asymmetry and theta-frequency modulation. Expand
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Representation of Geometric Borders in the Entorhinal Cortex
We report the existence of an entorhinal cell type that fires when an animal is close to the borders of the proximal environment. The orientation-specific edge-apposing activity of these “borderExpand
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Hippocampal remapping and grid realignment in entorhinal cortex
A fundamental property of many associative memory networks is the ability to decorrelate overlapping input patterns before information is stored. In the hippocampus, this neuronal pattern separationExpand
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Place cells, grid cells, and the brain's spatial representation system.
TLDR
We review evidence from the past three decades that indicates the presence of a preconfigured or semipreconfigured brain system for representation and storage of selflocation relative to the external environment. Expand
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Distinct Ensemble Codes in Hippocampal Areas CA3 and CA1
The hippocampus has differentiated into an extensively connected recurrent stage (CA3) followed by a feed-forward stage (CA1). We examined the function of this structural differentiation byExpand
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