The DOI matches its Crossref record; 84 of the 84 references it cites were found in a registry or an index.
Distinct Representations and Theta Dynamics in Dorsal and Ventral Hippocampus
Open accessAbstract
Although anatomical, lesion, and imaging studies of the hippocampus indicate qualitatively different information processing along its septo-temporal axis, physiological mechanisms supporting such distinction are missing. We found fundamental differences between the dorsal (dCA3) and the ventral-most parts (vCA3) of the hippocampus in both environmental representation and temporal dynamics. Discrete place fields of dCA3 neurons evenly covered all parts of the testing environments. In contrast, vCA3 neurons (1) rarely showed continuous two-dimensional place fields, (2) differentiated open and closed arms of a radial maze, and (3) discharged similar firing patterns with respect to the goals, both on multiple arms of a radial maze and during opposite journeys in a zigzag maze. In addition, theta power and the fraction of theta-rhythmic neurons were substantially reduced in the ventral compared with dorsal hippocampus. We hypothesize that the spatial representation in the septo-temporal axis of the hippocampus is progressively decreased. This change is paralleled with a reduction of theta rhythm and an increased representation of nonspatial information.
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Self-citationPhase relationship between hippocampal place units and the EEG theta rhythm
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Cited by
Hippocampal sharp wave-ripple: A cognitive biomarker for episodic memory and planning
Buzsáki, G. (2015) · Hippocampus · doi:10.1002/hipo.22488 · Cited by 1,759
Self-citationMemory, navigation and theta rhythm in the hippocampal-entorhinal system
Buzsáki, G., & Moser, E. I. (2013) · Nature Neuroscience · doi:10.1038/nn.3304 · Cited by 1,847
Self-citationFunctional organization of the hippocampal longitudinal axis
Strange, B. A., Witter, M. P., Lein, E. S., & Moser, E. I. (2014) · Nature reviews. Neuroscience · doi:10.1038/nrn3785 · Cited by 1,738
Neural syntax: cell assemblies, synapsembles, and readers
Buzsáki, G. (2010) · Neuron · doi:10.1016/j.neuron.2010.09.023 · Cited by 1,289
Self-citationScaling Brain Size, Keeping Timing: Evolutionary Preservation of Brain Rhythms
Buzsáki, G., Logothetis, N., & Singer, W. (2013) · Neuron · doi:10.1016/j.neuron.2013.10.002 · Cited by 886
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Metadata
- Authors
- Royer, S., Sirota, A., Patel, J., & Buzsáki, G.
- Venue
- The Journal of Neuroscience
- Publisher
- Society for Neuroscience
- Published
- 2010-02-03
- Volume
- 30
- Issue
- 5
- Pages
- 1777-1787
- ISSN
- 0270-6474 (ISSN-L)
- 1529-2401
- OpenAlex
- W2113763432
- Cited by
- 351
- References
- 84
- FWCI
- 15.03
- Type
- journal article
- Language
- en
- Open access
- hybrid
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