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Periodicity without rhythmicity

Grid cells confer a spatial impression of an animal's environment on the brain. Their firing patterns in a cave-dwelling bat reopen old questions about how they do this, and pose some compelling new ones. See Letter p.103

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Figure 1: Grid cells in rats and bats.


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Correspondence to Laura Lee Colgin.

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Colgin, L. Periodicity without rhythmicity. Nature 479, 46–47 (2011).

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