Cited by 322Memory and Neural MechanismsSpatial Cognition and NavigationNeurogenesis and neuroplasticity mechanisms

On the directional firing properties of hippocampal place cells

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Muller, RU, Bostock, E, Taube, JS, Kubie, JL·1994·The Journal of Neuroscience

Abstract

Using a two-spot tracking system that allowed measurements of the direction of a rat's head in the environment as well as the position of the rat's head, we investigated whether hippocampal place cells show true direction-specific as well as location-specific firing. Significant modulations of firing rate by head direction were seen for most cells while rats chased food pellets in a cylindrical apparatus. It was possible, however, to account quantitatively for directional modulation with a simple scheme that we refer to as the "distributive hypothesis." This hypothesis assumes that firing is ideally location specific, and that all directional firing modulations are due to differences in the time that the rat spends in different portions of the firing field of the place cell in different head direction sectors. When the distributive hypothesis is put into numeric form, the directional firing profiles that it predicts are extremely similar to the observed directional firing profiles, strongly suggesting that there is no intrinsic directional specificity of place cell firing in the cylinder. Additional recordings made while rats ran on an eight-arm maze reveal that many firing fields on the arms are polarized; the cell discharges more rapidly when the rat runs in one direction than the other on the maze. This result provides an independent confirmation of the findings of McNaughton et al. (1983). For fields that appear to be polarized by inspecting firing rate maps of the raw data, the magnitude of directional firing variations is greater than predicted by the distributive hypothesis. By comparison with postsubicular head direction cells, it is shown that the distributive prediction of weaker-than-observed directional firing is expected if there is a true directional firing component. A major conclusion reached from recording in both environments is that the directional firing properties of hippocampal place cells are variable and not fixed; this is true of individual units as well as of the population.

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Crossref · 10.1523/jneurosci.14-12-07235.1994

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  • Neither place nor grid fields are purely allocentric in rats, but are modulated by heading direction, so changes in position in particular directions strongly influence activity.

    “Indeed, neither place nor grid fields are purely allocentric in rats, but are modulated by heading direction, so changes in position in particular directions strongly influence activity (Muller et al., 1994).”

    From A map for social navigation in the human brain (2015) · cites this paper as Muller et al., 1994

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Research works printed but not linked: 2

  1. O'Keefe J (199 1) The hippocampal cognitive map and computational strategies. In: Brain and space (Paillard J, ed), pp 273-295. New York: Oxford UP.
  2. Taube JS (1994) Head directions cells recorded in the anterior thalamic nuclei of freely moving rats. J Neurosci, in press.

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Authors
Muller, R., Bostock, E., Taube, J., & Kubie, J.
Affiliations
State University of New York (US)
Venue
The Journal of Neuroscience
Published
1994-12-01
Volume
14
Issue
12
Pages
7235-7251
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1504615859
Cited by
322
References
27
Citations by year
2026: 6 · 2025: 9 · 2024: 11 · 2023: 8 · 2022: 16 · 2021: 17 · 2020: 11 · 2019: 7 · 2018: 16 · 2017: 16 · 2016: 6 · 2015: 7 · 2014: 5 · 2013: 9 · 2012: 8
FWCI
6.87
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ns014497-16, 20686)
  • National Institute of Neurological Disorders and Stroke (NS14497, NS 20686, R01NS020686)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Physical Sciences › Engineering › Automotive Engineering › Spatial Cognition and Navigation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
place cells, head direction, firing fields, spatial navigation, rats
MeSH terms
Animals, Electrophysiology, Female, Forecasting, Head, Hippocampus, Models, Neurological, Motor Activity, Neurophysiology, Posture, Space Perception, Pyramidal Cells, Rats

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