139 results found
    1. Neuroscience

    Local GABA concentration is related to network-level resting functional connectivity

    Charlotte J Stagg, Velicia Bachtiar ... Heidi Johansen-Berg
    In the brain at rest, the degree of coordinated activity within the motor network is inversely related to levels of the inhibitory transmitter GABA in primary motor cortex.
    1. Neuroscience

    Causal manipulation of functional connectivity in a specific neural pathway during behaviour and at rest

    Vanessa M Johnen, Franz-Xaver Neubert ... Matthew F S Rushworth
    Functional connectivity in the human brain reflects changes in synaptic plasticity induced with repeated paired stimulation.
    1. Neuroscience

    Irregular spiking of pyramidal neurons organizes as scale-invariant neuronal avalanches in the awake state

    Timothy Bellay, Andreas Klaus ... Dietmar Plenz
    Spontaneous, irregular spiking in single cortical pyramidal neurons assembles as neuronal avalanches at the group level identifying a robust scale-invariant organization of resting activity in the awake state.
    1. Computational and Systems Biology
    2. Neuroscience

    Noise promotes independent control of gamma oscillations and grid firing within recurrent attractor networks

    Lukas Solanka, Mark CW van Rossum, Matthew F Nolan
    Random fluctuations in neuronal firing may enable a single brain region, the medial entorhinal cortex, to perform distinct roles in cognition (by generating gamma waves) and spatial navigation (by producing a grid cell map).
    1. Cell Biology
    2. Neuroscience

    Tissue acidosis induces neuronal necroptosis via ASIC1a channel independent of its ionic conduction

    Yi-Zhi Wang, Jing-Jing Wang ... Tian-Le Xu
    An interaction between the ion channel ASIC1a and the protein RIP1 is responsible for neuronal death caused by tissue acidosis.
    1. Neuroscience

    Modulation of GABA and resting state functional connectivity by transcranial direct current stimulation

    Velicia Bachtiar, Jamie Near ... Charlotte J Stagg
    Building on previous work (Stagg et al., 2014), it is shown that transcranial direct current stimulation modulates local GABA concentration and functional connectivity in the human motor cortex.
    1. Neuroscience

    Cortex commands the performance of skilled movement

    Jian-Zhong Guo, Austin R Graves ... Adam W Hantman
    Optogenetic inhibition demonstrates that the cortex is necessary and sufficient for the initiation and execution of a learned, skilled action.
    1. Neuroscience

    Motion along the mental number line reveals shared representations for numerosity and space

    Caspar M Schwiedrzik, Benjamin Bernstein, Lucia Melloni
    Looking at visual motion affects perception of nonsymbolic numerosity in a direction-specific way, indicating that motion and number are computed by the same neurons.
    1. Neuroscience

    A synergy-based hand control is encoded in human motor cortical areas

    Andrea Leo, Giacomo Handjaras ... Emiliano Ricciardi
    The human brain encodes coordinated patterns of joint movements – synergies – to increase the efficiency with which it can control complex hand movements.
    1. Neuroscience

    Transcranial magnetic stimulation (TMS) inhibits cortical dendrites

    Sean C Murphy, Lucy M Palmer ... Matthew E Larkum
    Studying the activity of cortical neurons in rats reveals the subcellular effects of transcranial magnetic stimulation, which is used for the non-invasive treatment of a variety of brain disorders.

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