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Simultaneous path-integration recalibration in head direction and place cells.

Ravikrishnan P Jayakumar1, Yotaro Sueoka2, Marissa K Ferreyros3

  • 1Zanvyl Krieger Mind/Brain Institute, Johns Hopkins University, Baltimore, MD 21218, USA; Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD 21218, USA; Laboratory for Computational Sensing and Robotics, Johns Hopkins University, Baltimore, MD 21218, USA.

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Summary
This summary is machine-generated.

Spatial navigation recalibrates path integration gain through coordinated neural activity. This process is behavior-dependent, showing differences between locomotion and immobility for head direction cells.

Keywords:
Long-Evans ratcue conflictfield shifthead direction cellshead-scanningpath integrationplace cellsrecalibrationspatial navigation

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • Spatial navigation relies on path integration, updating an internal sense of location using self-motion cues.
  • Path integration involves a gain factor, which recalibrates to match perceived displacements against external cues.
  • Place cells and head direction (HD) cells are crucial for maintaining the cognitive map and orientation, respectively.

Purpose of the Study:

  • To investigate the neural mechanisms underlying the recalibration of path integration gain.
  • To examine the coordinated activity of place cells and head direction cells during recalibration.
  • To determine if recalibration mechanisms differ based on behavioral context (locomotion vs. immobility).

Main Methods:

  • Simultaneous electrophysiological recordings from place cells and head direction cells in rodents.
  • Inducing persistent conflict between self-motion and visual feedback during locomotion and immobility with head scanning.
  • Analyzing neural population activity and field-shifting dynamics relative to landmarks.

Main Results:

  • Path integration gain recalibration occurred identically in place and head direction cells during forward locomotion.
  • Head direction cells did not exhibit recalibration during locomotor immobility with head scanning.
  • Differential field-shifting dynamics were observed between place and head direction cells relative to landmarks during recalibration.

Conclusions:

  • Recalibration of path integration is a coordinated process across the navigation circuit.
  • The recalibration mechanism is behavior-dependent, with distinct dynamics during locomotion versus immobility.
  • This coordinated, behavior-dependent process ensures robust yet flexible coupling between internal position and direction sense.