Anisotropic encoding of three-dimensional space by place cells and grid cells

@article{Hayman2011AnisotropicEO,
  title={Anisotropic encoding of three-dimensional space by place cells and grid cells},
  author={Robin M. A. Hayman and Madeleine Verriotis and Aleksandar Jovalekic and Andr{\'e} Antonio Fenton and Kate J. Jeffery},
  journal={Nature neuroscience},
  year={2011},
  volume={14},
  pages={1182 - 1188}
}
The subjective sense of space may result in part from the combined activity of place cells in the hippocampus and grid cells in posterior cortical regions such as the entorhinal cortex and pre- and parasubiculum. In horizontal planar environments, place cells provide focal positional information, whereas grid cells supply odometric (distance measuring) information. How these cells operate in three dimensions is unknown, even though the real world is three-dimensional. We investigated this issue… 

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