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A Model of the Rodent Head Direction System

  • Adam N. Elga
  • A. David Redish
  • David S. Touretzky

Abstract

Head direction cells in the postsubiculum (PoS, also known as dorsal presubiculum) were first described by Ranck et al. [10]. In subsequent work, Taube et al. [14] characterized these cells as having triangular tuning curves: the firing rate drops off linearly from a peak at the preferred direction until it reaches a baseline value. Taube et al. [15] report that PoS cells typically have baseline-to-baseline tuning curve widths of 100°. Similar cells have been found in the anterior thalamic nuclei (ATN) [4, 6, 13]. See Figure 1(b) for a sample PoS tuning curve. These curves can also be modeled very closely by Gaussians with an average standard deviation of approximately 66° [4, 18].

Keywords

Prefer Direction Tuning Curve Head Direction Mammillary Body Anterior Thalamic Nucleus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Adam N. Elga
    • 1
  • A. David Redish
    • 2
  • David S. Touretzky
    • 2
  1. 1.Department of Linguistics and PhilosophyMITCambridgeUSA
  2. 2.Computer Science Department and CNBCCarnegie Mellon UniversityPittsburghUSA

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