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Showing 1–8 of 8 results
Advanced filters: Author: Gautam B. Awatramani Clear advanced filters

  • 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

  • In this study, the authors show that velocity-dependent lag normalization in the retina is accomplished via a subset of adjacent directionally selective ganglion cells that are electrically coupled, allowing each activated cell to prime its neighbor.

    • Stuart Trenholm
    • David J Schwab
    • Gautam B Awatramani
    Research
    Nature Neuroscience
    Volume: 16, P: 154-156

  • Cholinergic neurons may transmit information via fast synaptic, point-to-point signaling or diffuse, slow extra-synaptic signaling. The authors show that ACh from a single vesicle triggers synchronous miniature currents in two neurons, showing that ACh can spread significant distances to drive rapid ‘synaptic’ signals.

    • Santhosh Sethuramanujam
    • Akihiro Matsumoto
    • Gautam B. Awatramani
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-13

  • Fine-scale synchrony of neural activity determines the nature of neural coding, but its underlying mechanisms are unclear. Here the authors find that coincident electrical and chemical synaptic inputs are nonlinearly integrated in overlapping retinal ganglion cell dendrites to produce synchronous spiking.

    • Stuart Trenholm
    • Amanda J McLaughlin
    • Gautam B Awatramani
    Research
    Nature Neuroscience
    Volume: 17, P: 1759-1766

  • In vertebrate vision, the two types of photoreceptors, rods and cones, operate under low and bright light intensities, respectively. Here the authors show that under bright light conditions, when rods are not sensing light, they act as relay cells for cone-driven surround inhibition.

    • Tamas Szikra
    • Stuart Trenholm
    • Botond Roska
    Research
    Nature Neuroscience
    Volume: 17, P: 1728-1735

  • 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