4.7 Article

Self-generated theta oscillations in the hippocampus

Journal

NATURE NEUROSCIENCE
Volume 12, Issue 12, Pages 1491-1493

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/nn.2440

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Funding

  1. Natural Sciences and Engineering Research Council of Canada
  2. Fonds de la recherche en sante du Quebec chercheur boursier senior.

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Hippocampal theta rhythm is crucial for spatial memory and is thought to be generated by extrinsic inputs. In contrast, using a complete rat hippocampus in vitro, we found several intrinsic, atropine-resistant theta generators in CA1. These oscillators were organized along the septotemporal axis and arose independently from CA3. Our results suggest that CA1 theta rhythm can emerge from the coupling of multiple autonomous hippocampal theta oscillators.

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