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Theta phase precession in hippocampal neuronal populations and the compression of temporal sequences
O'Keefe and Recce [1993] Hippocampus 3:317–330 described an interaction between the hippocampal theta rhythm and the spatial firing of pyramidal cells in the CA1 region of the rat hippocampus: theyExpand
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Deciphering the hippocampal polyglot: the hippocampus as a path integration system.
Hippocampal 'place' cells and the head-direction cells of the dorsal presubiculum and related neocortical and thalamic areas appear to be part of a preconfigured network that generates an abstract internal representation of two-dimensional space whose metric is self-motion. Expand
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Interactions between location and task affect the spatial and directional firing of hippocampal neurons
When rats forage for randomly dispersed food in a high walled cylinder the firing of their hippocampal “place” cells exhibits little dependence on the direction faced by the rat. Expand
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Replay of Neuronal Firing Sequences in Rat Hippocampus During Sleep Following Spatial Experience
The correlated activity of rat hippocampal pyramidal cells during sleep reflects the activity of those cells during earlier spatial exploration. Now the patterns of activity during sleep have alsoExpand
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An Information-Theoretic Approach to Deciphering the Hippocampal Code
Information theory is used to derive a simple formula for the amount of information conveyed by the firing rate of a neuron about any experimentally measured variable or combination of variables (e.g. running speed, head direction, location of the animal). Expand
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A Model of the Neural Basis of the Rat's Sense of Direction
In the last decade the outlines of the neural structures subserving the sense of direction have begun to emerge. Expand
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Dynamics of Mismatch Correction in the Hippocampal Ensemble Code for Space: Interaction between Path Integration and Environmental Cues
We show that when a mismatch exists between the internal spatial representation and real-world coordinates, defined by external cues, this led to a dynamic correction process. Expand
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Paradoxical Effects of External Modulation of Inhibitory Interneurons
The neocortex, hippocampus, and several other brain regions contain populations of excitatory principal cells with recurrent connections and strong interactions with local inhibitory interneurons. ToExpand
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Binding of hippocampal CA1 neural activity to multiple reference frames in a landmark-based navigation task
The behavioral correlates of rat hippocampal CA1 cells were examined in a spatial navigation task in which two cylindrical landmarks predicted the location of food within a large arena surrounded by static background cues. Expand
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Population dynamics and theta rhythm phase precession of hippocampal place cell firing: A spiking neuron model
O'Keefe and Recce ([1993] Hippocampus 68:317–330) have observed that the spatially selective firing of pyramidal cells in the CA1 field of the rat hippocampus tends to advance to earlier phases ofExpand
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