2005 Special issue: Recall of memory sequences by interaction of the dentate and CA3: A revised model of the phase precession

Authors:
John E. Lisman;Lucia M. Talamini;Antonino Raffone
Affiliations:
Department of Biology, Brandeis University, Volen Center for Complex Systems, Waltham, MA 02454, USA;Department of Psychonomics, University of Amsterdam, 1018WB Amsterdam, The Netherlands;Department of Psychology, University of Sunderland, Sunderland SR6 0DD, UK
Venue:
Neural Networks - Special issue: Computational theories of the functions of the hippocampus
Year:
2005

Citing 1
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2008 Special Issue: Reversed and forward buffering of behavioral spike sequences enables retrospective and prospective retrieval in hippocampal regions CA3 and CA1

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Phase precession through synaptic facilitation

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Abstract

Behavioral and electrophysiological evidence indicates that the hippocampus has a special role in the encoding and recall of memory sequences. Importantly, the hippocampal phase precession, a phenomenon recorded as a rat moves through place fields, can be interpreted as cued recall of the sequence of upcoming places. The phase precession can be recorded in all hippocampal regions, but the role of each region has been unclear. Here, we suggest how the dentate and CA3 regions can work together to learn sequences, recall sequences, and generate the phase precession. Our proposal is constrained by information regarding synaptic plasticity rules, network connectivity, timing delays and theta/gamma oscillations.