Environmental Boundaries as an Error Correction Mechanism for Grid Cells

@article{Hardcastle2015EnvironmentalBA,
  title={Environmental Boundaries as an Error Correction Mechanism for Grid Cells},
  author={Kiah Hardcastle and Surya Ganguli and Lisa M. Giocomo},
  journal={Neuron},
  year={2015},
  volume={86},
  pages={827-839}
}
Medial entorhinal grid cells fire in periodic, hexagonally patterned locations and are proposed to support path-integration-based navigation. The recursive nature of path integration results in accumulating error and, without a corrective mechanism, a breakdown in the calculation of location. The observed long-term stability of grid patterns necessitates that the system either performs highly precise internal path integration or implements an external landmark-based error correction mechanism… CONTINUE READING
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