Dentate spikes and external control of hippocampal function

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dc.contributor.authorDvorak, Dinoko
dc.contributor.authorChung, Ainko
dc.contributor.authorPark, Eun Hyeko
dc.contributor.authorFenton, Andre Antonioko
dc.date.accessioned2023-01-09T06:00:23Z-
dc.date.available2023-01-09T06:00:23Z-
dc.date.created2023-01-09-
dc.date.created2023-01-09-
dc.date.created2023-01-09-
dc.date.issued2021-08-
dc.identifier.citationCELL REPORTS, v.36, no.5-
dc.identifier.issn2211-1247-
dc.identifier.urihttp://hdl.handle.net/10203/304147-
dc.description.abstractMouse hippocampus CA1 place-cell discharge typically encodes current location, but during slow gamma dominance (SGdom), when SG oscillations (30-50 Hz) dominate mid-frequency gamma oscillations (70-90 Hz) in CA1 local field potentials, CA1 discharge switches to represent distant recollected locations. We report that dentate spike type 2 (DSM) events initiated by medial entorhinal cortex II (MECII)-> dentate gyrus (DG) inputs promote SG(dom) and change excitation-inhibition coordinated discharge in DG, CA3, and CA1, whereas type 1 (DSL) events initiated by lateral entorhinal cortex II (LECII)-> DG inputs do not. Just before SG(dom), LECII-originating SG oscillations in DG and CA3-originating SG oscillations in CA1 phase and frequency synchronize at the DSM peak when discharge within DG and CA3 increases to promote excitation-inhibition cofiring within and across the DG -> CA3 -> CA1 pathway. This optimizes discharge for the 5-10 ms DG-to-CA1 neuro-transmission that SG(dom) initiates. DSM properties identify extrahippocampal control of SG(dom) and a cortico-hippocampal mechanism that switches between memory-related modes of information processing.-
dc.languageEnglish-
dc.publisherCELL PRESS-
dc.titleDentate spikes and external control of hippocampal function-
dc.typeArticle-
dc.identifier.wosid000681653300032-
dc.identifier.scopusid2-s2.0-85111570778-
dc.type.rimsART-
dc.citation.volume36-
dc.citation.issue5-
dc.citation.publicationnameCELL REPORTS-
dc.identifier.doi10.1016/j.celrep.2021.109497-
dc.contributor.localauthorChung, Ain-
dc.contributor.nonIdAuthorDvorak, Dino-
dc.contributor.nonIdAuthorPark, Eun Hye-
dc.contributor.nonIdAuthorFenton, Andre Antonio-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusPLACE CELL DISCHARGE-
dc.subject.keywordPlusSHARP-WAVE-RIPPLE-
dc.subject.keywordPlusGAMMA OSCILLATIONS-
dc.subject.keywordPlusNETWORK PATTERNS-
dc.subject.keywordPlusPYRAMIDAL CELLS-
dc.subject.keywordPlusEEG SPIKES-
dc.subject.keywordPlusINPUT-
dc.subject.keywordPlusCA1-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusRAT-
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