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Awake hippocampal reactivations project onto orthogonal neuronal assemblies

Cossart, Rosa ; Arnaud, Malvache ; Susanne, Reichinnek ; Vincent, Villette ; Caroline, Haimerl; Cossart, Rosa (Editor)

Science, 16 September 2016, Vol.353((6305)), pp.1280-3 [Tạp chí có phản biện]

ISSN: 0036-8075 ; E-ISSN: 1095-9203 ; DOI: 10.1126/science.aaf3319

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  • Nhan đề:
    Awake hippocampal reactivations project onto orthogonal neuronal assemblies
  • Tác giả: Cossart, Rosa ; Arnaud, Malvache ; Susanne, Reichinnek ; Vincent, Villette ; Caroline, Haimerl
  • Cossart, Rosa (Editor)
  • Chủ đề: Life Sciences ; Sciences (General) ; Biology
  • Là 1 phần của: Science, 16 September 2016, Vol.353((6305)), pp.1280-3
  • Mô tả: The chained activation of neuronal assemblies is thought to support major cognitive processes,including memory. In the hippocampus, this is observed during population bursts oftenassociated with sharp-wave ripples, in the form of an ordered reactivation of neurons. However,the organization and lifetime of these assemblies remain unknown.We used calcium imagingto map patterns of synchronous neuronal activation in the CA1 region of awakemice during runson a treadmill.The patterns were composed of the recurring activation of anatomicallyintermingled, but functionally orthogonal, assemblies.These assemblies reactivated discretetemporal segments of neuronal sequences observed during runs and could be stable acrossconsecutive days. A binding of these assemblies into longer chains revealed temporallyordered replay.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0036-8075 ; E-ISSN: 1095-9203 ; DOI: 10.1126/science.aaf3319

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