Forward and reverse hippocampal place-cell sequences during ripples (original) (raw)
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- Published: 02 September 2007
Nature Neuroscience volume 10, pages 1241–1242 (2007)Cite this article
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Abstract
We report that temporal spike sequences from hippocampal place neurons of rats on an elevated track recurred in reverse order at the end of a run, but in forward order in anticipation of the run, coinciding with sharp waves. Vector distances between the place fields were reflected in the temporal structure of these sequences. This bidirectional re-enactment of temporal sequences may contribute to the establishment of higher-order associations in episodic memory.
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Acknowledgements
The authors would like to thank A. Amarasingham and S. Royer for excellent discussions, and S. Montgomery, A. Renart and D. Robbe for comments on the manuscript. This work was supported by the US National Institutes of Health (NS34994 and MH54671).
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Authors and Affiliations
- Center for Molecular and Behavioral Neurobiology, Rutgers University, 197 University Ave, Newark, 07102, New Jersey, USA
Kamran Diba & György Buzsáki
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- Kamran Diba
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Contributions
K.D. and G.B. designed the experiments and wrote the manuscript. K.D. carried out the experiments and analyzed the data.
Corresponding authors
Correspondence toKamran Diba or György Buzsáki.
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Diba, K., Buzsáki, G. Forward and reverse hippocampal place-cell sequences during ripples.Nat Neurosci 10, 1241–1242 (2007). https://doi.org/10.1038/nn1961
- Received: 10 May 2007
- Accepted: 16 July 2007
- Published: 02 September 2007
- Issue Date: October 2007
- DOI: https://doi.org/10.1038/nn1961