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Showing 1–9 of 9 results
Advanced filters: Author: Tim J. Viney Clear advanced filters

  • The authors investigated the mechanisms underlying hippocampal sharp waves. They found that CA3 axo-axonic cells (AACs) stopped firing during sharp waves in vivo. They also identified GABAergic cells in the medial septum that are activated during sharp waves and project to CA3; these cells may inhibit AACs during sharp waves.

    • Tim J Viney
    • Balint Lasztoczi
    • Peter Somogyi
    Research
    Nature Neuroscience
    Volume: 16, P: 1802-1811

  • Timing is key for efficient coding and communication across brain areas. Here, the authors found that the medial septum orchestrates hippocampal network activity at multiple temporal scales likely mediating memory encoding and retrieval.

    • Bálint Király
    • Andor Domonkos
    • Balázs Hangya
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-25

  • Pseudorabies viruses encoding fluorescent proteins are a powerful method for mapping neuronal circuits. Now a series of pseudorabies virus strains encoding fluorescent sensors and time-shifted florescent proteins allow dissection of complex circuits with concurrent activity analysis while defining an analysis period during which the neurons are still healthy.

    • Zsolt Boldogkői
    • Kamill Balint
    • Botond Roska
    Research
    Nature Methods
    Volume: 6, P: 127-130

  • Spikes of deep-layer ID2+Nkx2.1+ cortical neurons are anticorrelated with spiking of all principal cells and interneurons, prominently during down states of sleep, and shape the sequential firing of neurons at down–up transitions.

    • Manuel Valero
    • Tim J. Viney
    • György Buzsáki
    Research
    Nature Neuroscience
    Volume: 24, P: 401-411

  • Using genetic labeling of cell types, two-photon microscopy, electrophysiology and theoretical modeling, the authors identify an approach-sensitive ganglion cell type in the mouse retina. They show that it is incorporated into a circuit that serves different purposes during daytime and night-time vision.

    • Thomas A Münch
    • Rava Azeredo da Silveira
    • Botond Roska
    Research
    Nature Neuroscience
    Volume: 12, P: 1308-1316

  • Using juxtacellular recording and labeling of hippocampal interneurons in drug-free and behaving rats, the authors show that parvalbumin-expressing basket interneurons fire in a behavioral state–dependent manner, in contrast with neuropeptide Y– and nitiric oxide synthase–expressing ivy cells.

    • Damien Lapray
    • Balint Lasztoczi
    • Thomas Klausberger
    Research
    Nature Neuroscience
    Volume: 15, P: 1265-1271

  • Using a combination of electrophysiological and neurochemical techniques the authors report that deep and superficial CA1 pyramidal neurons behave differently during hippocampal sharp-wave ripples, with deep cells becoming hyperpolarized and superficial cells undergoing depolarization. The study also reveals some of the microcircuit mechanisms that underlie this spatiotemporal specialization, including the involvement of CA2 pyramidal cells and the role of perisomatic inhibition.

    • Manuel Valero
    • Elena Cid
    • Liset Menendez de la Prida
    Research
    Nature Neuroscience
    Volume: 18, P: 1281-1290