Place cell firing shows an inertia-like process

A. David Redish, Bruce L. McNaughton, Carol A. Barnes

Research output: Contribution to journalConference articlepeer-review

17 Scopus citations

Abstract

Place cells were recorded from five animals performing a shuttle task on a linear track in which reward was only available at one end of the journey. Although place fields during the journey itself were directional, place fields at the turn-around point were bidirectional. Place fields that were directional on full-length journeys became locally bidirectional when the animal turned around in the middle of the place field. This suggests that place cells show an inertia-like process in which, once they begin firing, they continue firing whatever trajectory the animal takes. This process would be useful for storing routes and sequences. (C) 2000 Elsevier Science B.V. All rights reserved.

Original languageEnglish (US)
Pages (from-to)235-241
Number of pages7
JournalNeurocomputing
Volume32-33
DOIs
StatePublished - Jun 2000
EventThe 8th Annual Computational Neuroscience Meeting (CNS'99) - Pittsburgh, PA, USA
Duration: Jul 18 1999Jul 22 1999

Bibliographical note

Funding Information:
We thank Joe Bohanick, Sam Dedios, Kim Hardesty, Nathan Insel, Jeri Meltzer, Karen Weaver-Sommers, and Joyce Yuan for help in running the experiments and Jason Gerrard and Ephron Rosenzweig for helpful discussions and help with the experiments. This work was supported by NIH grants AG15085, AG12609, MH01565, MH01227, and NS20331.

Copyright:
Copyright 2004 Elsevier Science B.V., Amsterdam. All rights reserved.

Keywords

  • Cognitive maps
  • Directional place cells
  • Hippocampus
  • Spatial reasoning

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