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Why there are complementary learning systems in the hippocampus and neocortex: insights from the successes and failures of connectionist models of learning and memory.
Damage to the hippocampal system disrupts recent memory but leaves remote memory intact. The account presented here suggests that memories are first stored via synaptic changes in the hippocampal… Expand
Theta phase precession in hippocampal neuronal populations and the compression of temporal sequences
O'Keefe and Recce  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: they… Expand
Reactivation of hippocampal ensemble memories during sleep.
Simultaneous recordings were made from large ensembles of hippocampal "place cells" in three rats during spatial behavioral tasks and in slow-wave sleep preceding and following these behaviors. Cells… Expand
Path integration and the neural basis of the 'cognitive map'
- B. McNaughton, F. Battaglia, O. Jensen, E. Moser, M. Moser
- Medicine, Biology
- Nature Reviews Neuroscience
- 1 August 2006
The hippocampal formation can encode relative spatial location, without reference to external cues, by the integration of linear and angular self-motion (path integration). Theoretical studies, in… Expand
Dynamics of the hippocampal ensemble code for space.
Ensemble recordings of 73 to 148 rat hippocampal neurons were used to predict accurately the animals' movement through their environment, which confirms that the hippocampus transmits an ensemble… Expand
Conjunctive Representation of Position, Direction, and Velocity in Entorhinal Cortex
Grid cells in the medial entorhinal cortex (MEC) are part of an environment-independent spatial coordinate system. To determine how information about location, direction, and distance is integrated… Expand
Environment-specific expression of the immediate-early gene Arc in hippocampal neuronal ensembles
- J. Guzowski, B. McNaughton, C. A. Barnes, P. Worley
- Medicine, Biology
- Nature Neuroscience
- 1 December 1999
We used fluorescent in-situ hybridization and confocal microscopy to monitor the subcellular distribution of the immediate-early gene Arc. Arc RNA appeared in discrete intranuclear foci within… Expand
Hippocampal synaptic enhancement and information storage within a distributed memory system
Abstract The hypothesis that the physical substrate of memory in the mammalian brain resides in alterations of synaptic efficacy has been proposed frequently in both neuroscience 1–5 and cognitive… Expand
Path Integration and Cognitive Mapping in a Continuous Attractor Neural Network Model
A minimal synaptic architecture is proposed for how the brain might perform path integration by computing the next internal representation of self-location from the current representation and from… Expand
Interpreting neuronal population activity by reconstruction: unified framework with application to hippocampal place cells.
- K. Zhang, I. Ginzburg, B. McNaughton, T. Sejnowski
- Psychology, Medicine
- Journal of neurophysiology
- 1 February 1998
Physical variables such as the orientation of a line in the visual field or the location of the body in space are coded as activity levels in populations of neurons. Reconstruction or decoding is an… Expand