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Hippocampal ensembles represent sequential relationships among an extended sequence of nonspatial events.
In: Nature communications, vol 13, iss 1 (2022)
Abstract: The hippocampus is critical to the temporal organization of our experiences. Although this fundamental capacity is conserved across modalities and species, its underlying neuronal mechanisms remain unclear. Here we recorded hippocampal activity as rats remembered an extended sequence of nonspatial events unfolding over several seconds, as in daily life episodes in humans. We then developed statistical machine learning methods to analyze the ensemble activity and discovered forms of sequential organization and coding important for order memory judgments. Specifically, we found that hippocampal ensembles provide significant temporal coding throughout nonspatial event sequences, differentiate distinct types of task-critical information sequentially within events, and exhibit theta-associated reactivation of the sequential relationships among events. We also demonstrate that nonspatial event representations are sequentially organized within individual theta cycles and precess across successive cycles. These findings suggest a fundamental function of the hippocampal network is to encode, preserve, and predict the sequential order of experiences.
Keyword: 2.1 Biological and endogenous factors; Acoustic Stimulation; Animal; Animals; Auditory Perception; Electrodes; Hippocampus; Implanted; Machine Learning; Male; Memory; Mental Health; Models; Nerve Net; Neurosciences; Odorants; Olfactory Perception; Rats; Stereotaxic Techniques; Time Factors
URL: https://escholarship.org/uc/item/16m8r8hj
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2
Two new glassfrogs (Centrolenidae: Hyalinobatrachium) from Ecuador, with comments on the endangered biodiversity of the Andes. ...
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3
USE OF ANIMAL NAMES IN ENGLISH IDIOMS AND THEIR CONTRASTIVE ANALYSIS IN UZBEK LANGUAGE ...
Togaev, Bobur Erkinovich; Pulatova, Feruza Bakhramovna. - : Academic research in educational sciences, 2022
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4
Il «profumo della servitù». Universi distopici e «servitù fai da te»
M. Ceretta. - 2022
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5
Characterization of the Tubovesicular Network in Plasmodium vivax Liver Stage Hypnozoites and Schizonts
In: ISSN: 2235-2988 ; Frontiers in Cellular and Infection Microbiology ; https://hal.archives-ouvertes.fr/hal-03494752 ; Frontiers in Cellular and Infection Microbiology, Frontiers, 2021, 11, pp.687019. ⟨10.3389/fcimb.2021.687019⟩ (2021)
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6
Of Alpinists and Domestic and Wild Animals in the Alps (1857-1899): a Corpus Analysis
In: ISSN: 2431-1766 ; Caliban : French Journal of English Linguistics ; Animal Love / L'amour des animaux International conference /Colloque international ; https://hal.archives-ouvertes.fr/hal-02462511 ; Caliban : French Journal of English Linguistics, Presses Universitaires du Mirail, 2021, L’amour des animaux. Exploration des liens animaux dans la littérature et la culture anglophone / Animal Love. Considering Animal Attachments in Anglophone Literature and Culture, pp.189-211 (2021)
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7
Body in the gallery: posthumanist ethics and the nonhuman animal body in contemporary art ...
Binnie, Ronald James. - : The University of Edinburgh, 2021
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8
AUSTRALIAN NATURE IN RHYMING SLANG ...
Gorshunov, Y.V.; Gorshunova, E.Y.. - : Инфинити, 2021
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9
Brain morphology predicts social intelligence in wild cleaner fish
Triki, Zegni; Emery, Yasmin; Teles, Magda C. - : Nature Publishing Group, 2021
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10
Totemismo e cultura dialettale. Alcune evidenze a partire dal repertorio paremiologico e fraseologico siciliano ...
Scaglione, Francesco. - : University of Salento, 2021
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11
Nduŋuriya Tûsa taŋ ; Le travail de Tusa
Nâjuwa Musa Sileman. - : SIL Tchad, 2021
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12
Likalakala lya fidimi ; Animal Book ; Kitabu cha wanyama
: SIL International, 2021
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13
Listening to the zoo : challenging zoo visiting conventions
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14
Taking turns : bridging the gap between human and animal communication
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15
What bats have to say about speech and language
Vernes, Sonja C. - 2021
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16
Listening to the zoo: challenging zoo visiting conventions
Rice, T; Reed, A; Badman-King, A. - : Routledge, 2021
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17
Body in the gallery: posthumanist ethics and the nonhuman animal body in contemporary art
Binnie, Ronald James. - : The University of Edinburgh, 2021
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18
Within-category representational stability through the lens of manipulable objects
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19
The (Im)mediate Animal: Interspecies Entanglements in Early Enlightenment Transactions
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20
Сравнительный анализ китайских и русских зоонимных фразеологизмов ; Comparative Analysis of Chinese and Russian Animal Paraseology
Лю, Ю.; Liu Yuanyuan. - : Издательство Уральского университета, 2021
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