1,292 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Population adaptation in efficient balanced networks

    Gabrielle J Gutierrez, Sophie Denève
    Neural populations may depend on balanced recurrent connectivity to produce an efficient stimulus representation while also maintaining an accurate stimulus encoding despite the variability introduced by adapting neural responses.
    1. Neuroscience

    Optimal compensation for neuron loss

    David GT Barrett, Sophie Denève, Christian K Machens
    Spiking networks compensate the loss of neurons instantaneously, when restoration of excitatory/inhibitory balance becomes equivalent to restoration of functionality.
    1. Neuroscience

    Geometry and dynamics of representations in a precisely balanced memory network related to olfactory cortex

    Claire Meissner-Bernard, Friedemann Zenke, Rainer W. Friedrich
    1. Neuroscience

    Pre-stimulus phase and amplitude regulation of phase-locked responses are maximized in the critical state

    Arthur-Ervin Avramiea, Richard Hardstone ... Klaus Linkenkaer-Hansen
    Critical networks show maximum pre-stimulus phase and amplitude regulation of stimulus-evoked responses.
    1. Computational and Systems Biology

    Neural oscillations as a signature of efficient coding in the presence of synaptic delays

    Matthew Chalk, Boris Gutkin, Sophie Denève
    Neural oscillations are a necessary consequence of efficient coding of sensory signals by a spiking neural network, limited by synaptic delays and noise.
    1. Neuroscience

    Mechanisms underlying the response of mouse cortical networks to optogenetic manipulation

    Alexandre Mahrach, Guang Chen ... David Hansel
    Combining experimental and theoretical approaches reveals the interplay between optogenetic manipulation and recurrent interactions in mouse cortex.
    1. Neuroscience

    Nonlinear transient amplification in recurrent neural networks with short-term plasticity

    Yue Kris Wu, Friedemann Zenke
    The interplay of recurrent excitation and short-term plasticity enables nonlinear transient amplification, an ideal mechanism for selective amplification, pattern completion, and pattern separation in recurrent neural networks.
    1. Neuroscience

    Global organization of neuronal activity only requires unstructured local connectivity

    David Dahmen, Moritz Layer ... Moritz Helias
    Short-ranged and random connectivity are sufficient to explain complex, long-range activity patterns observed in macaque motor cortex that are, moreover, flexibly adaptable to behavior.
    1. Ecology

    Multistability and regime shifts in microbial communities explained by competition for essential nutrients

    Veronika Dubinkina, Yulia Fridman ... Sergei Maslov
    Multistability and regime shifts are common and species diversity is high in microbial communities when nutrient supplies are balanced and competing species have different stoichiometries of essential nutrients.
    1. Neuroscience

    Lognormal firing rate distribution reveals prominent fluctuation–driven regime in spinal motor networks

    Peter C Petersen, Rune W Berg
    Neuronal participation in generation of motor patterns in the spinal circuits is lognormal, which is an indication of a rich diversity of activity within the mean-driven as well as the fluctuation-driven regimes.

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