Journal
ELIFE
Volume 8, Issue -, Pages -Publisher
ELIFE SCIENCES PUBLICATIONS LTD
DOI: 10.7554/eLife.41896
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Funding
- Fondation pour la Recherche Medicale [DEQ20160334907]
- Agence Nationale de la Recherche [ANR-17-CE16-0019-03]
- Centre National de la Recherche Scientifique
- Aix-Marseille Universite
- Universite Pierre et Marie Curie [ANR-10-LABX-BioPsy, ANR-11-IDEX-0004-02]
- Agence Nationale de la Recherche (ANR) [ANR-17-CE16-0019] Funding Source: Agence Nationale de la Recherche (ANR)
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Multiple lines of evidence suggest that functionally intact cerebello-hippocampal interactions are required for appropriate spatial processing. However, how the cerebellum anatomically and physiologically engages with the hippocampus to sustain such communication remains unknown. Using rabies virus as a retrograde transneuronal tracer in mice, we reveal that the dorsal hippocampus receives input from topographically restricted and disparate regions of the cerebellum. By simultaneously recording local field potential from both the dorsal hippocampus and anatomically connected cerebellar regions, we additionally suggest that the two structures interact, in a behaviorally dynamic manner, through subregion-specific synchronization of neuronal oscillations in the 6-12 Hz frequency range. Together, these results reveal a novel neural network macro-architecture through which we can understand how a brain region classically associated with motor control, the cerebellum, may influence hippocampal neuronal activity and related functions, such as spatial navigation.
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