Connecting multiple spatial scales to decode the population activity of grid cells

  title={Connecting multiple spatial scales to decode the population activity of grid cells},
  author={Martin B. Stemmler and Alexander Mathis and Andreas V. M. Herz},
  journal={Science Advances},
Mammalian grid cells fire when an animal crosses the points of an imaginary hexagonal grid tessellating the environment. We show how animals can navigate by reading out a simple population vector of grid cell activity across multiple spatial scales, even though neural activity is intrinsically stochastic. This theory of dead reckoning explains why grid cells are organized into discrete modules within which all cells have the same lattice scale and orientation. The lattice scale changes from… CONTINUE READING
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