Inertial, Substratal and Landmark Cue Control of Hippocampal CA1 Place Cell Activity

@article{Wiener1995InertialSA,
  title={Inertial, Substratal and Landmark Cue Control of Hippocampal CA1 Place Cell Activity},
  author={Sidney I. Wiener and Victor A. Korshunov and R. Garcia and Alain Berthoz},
  journal={European Journal of Neuroscience},
  year={1995},
  volume={7}
}
Hippocampal ‘place cells’ discharge when a rat occupies a location that is fixed in relation to environmental landmarks. A principal goal of this study was to determine whether hippocampal place cell activity could be influenced by inertial cues. Water‐deprived rats were trained in a square‐walled open field in a dark room. The behavioural task required alternating visits to water reservoirs in the centre and in the four corners of the arena. The rat and arena were rotated in total darkness… 
Directional control of hippocampal place fields
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The results indicated that place cell activity within the place fields represents not only an animal's own location but also the movement variables of another moving object if that object is associated with rewards.
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It is suggested that place fields in the watermaze are largely controlled by the same factors as on dry land, in spite of the differences in kinaesthetic and vestibular input.
Hippocampal neuronal position selectivity remains fixed to room cues only in rats alternating between place navigation and beacon approach tasks
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H hippocampal neuronal activity in rats repeatedly alternating between two different tasks on a circular platform with four reward boxes along the edge showed position selectivity fixed with respect to room cues, even in the beacon approach task where coding the position of the rat in the room was of no use for locating rewards.
Place- and behavior-independent sensory triggered discharges in rat hippocampal CA1 complex spike cells
TLDR
Single unit recordings of CA1 complex spike cells were made in thirsty rats as they made alternating visits between the center and corners of an enclosed 60×60 cm square arena to test for access of spatial cues to the hippocampus of unrestrained animals.
Background, But Not Foreground, Spatial Cues Are Taken as References for Head Direction Responses by Rat Anterodorsal Thalamus Neurons
TLDR
Results provide a possible neurophysiological basis for observations from psychophysical experiments in humans that background, rather than foreground, cues are preferentially used for spatial orientation.
Learning of landmark stability and instability by hippocampal place cells
  • K. Jeffery
  • Medicine, Psychology
    Neuropharmacology
  • 1998
TLDR
It appears that the orienting influence of a visual cue on place fields can be either strengthened or weakened relative to the idiothetic cues, depending on the experience of the rat.
EXTEROCEPTIVE AND INTEROCEPTIVE CUE CONTROL OF HIPPOCAMPAL PLACE CELLS
Place cells in the hippocampal formation form the cornerstone of the rat’s navigational system and together with head direction cells in the postsubiculum and grid cells in the entorhinal cortex are
Hippocampal spatial representations require vestibular input
TLDR
It is shown that temporary inactivation of the vestibular system led to the disruption of location‐specific firing in hippocampal place cells and direction‐specific discharge of postsubicular HD cells, without altering motor function.
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