4,211 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Bayesian inference for biophysical neuron models enables stimulus optimization for retinal neuroprosthetics

    Jonathan Oesterle, Christian Behrens ... Philipp Berens
    Bayesian simulator-based inference is used to infer the parameters of complex multicompartment models of retinal neurons from two-photon imaging data.
    1. Cell Biology
    2. Neuroscience

    The LRRK2 G2019S mutation alters astrocyte-to-neuron communication via extracellular vesicles and induces neuron atrophy in a human iPSC-derived model of Parkinson’s disease

    Aurelie de Rus Jacquet, Jenna L Tancredi ... Erin K O'Shea
    Extracellular vesicles are proposed as novel, non-cell-autonomous mediators of neuronal atrophy in Parkinson's disease.
    1. Neuroscience

    Modeling apical and basal tree contribution to orientation selectivity in a mouse primary visual cortex layer 2/3 pyramidal cell

    Konstantinos-Evangelos Petousakis, Jiyoung Park ... Panayiota Poirazi
    Apical and basal dendrites contribute differently to single-neuron orientation selectivity, highlighting the impact of feedforward and feedback signal interactions.
    1. Computational and Systems Biology
    2. Neuroscience

    Myelin dystrophy impairs signal transmission and working memory in a multiscale model of the aging prefrontal cortex

    Sara Ibañez, Nilapratim Sengupta ... Christina M Weaver
    Biologically plausible levels of myelin dystrophy induce substantial working memory impairment in a computational model of brain aging across two spatial and temporal scales.
    1. Neuroscience

    Thalamus and claustrum control parallel layer 1 circuits in retrosplenial cortex

    Ellen KW Brennan, Izabela Jedrasiak-Cape ... Omar J Ahmed
    Parallel input streams to layer 1 identify a computationally distinct principal neuronal subtype ideally positioned to support spatial orientation computations in the granular retrosplenial cortex.
    1. Neuroscience

    Different dendritic domains of the GnRH neuron underlie the pulse and surge modes of GnRH secretion in female mice

    Li Wang, Wenya Guo ... Yanping Kuang
    Electrical activity at the gonadotropin-releasing hormone (GnRH) neuron cell body and proximal dendrites is not required for the pulsatile secretion of GnRH that controls fertility.
    1. Neuroscience

    Brian 2, an intuitive and efficient neural simulator

    Marcel Stimberg, Romain Brette, Dan FM Goodman
    Brian 2 is a software package for neural simulations that makes it both easy and computationally efficient to define original models for computational experiment.
    1. Computational and Systems Biology
    2. Neuroscience

    Interneuronal mechanisms of hippocampal theta oscillations in a full-scale model of the rodent CA1 circuit

    Marianne J Bezaire, Ivan Raikov ... Ivan Soltesz
    Spontaneous theta oscillations and interneuron-specific phase preferences emerge spontaneously in a full-scale model of the isolated hippocampal CA1 subfield, corroborating and extending recent experimental findings.
    1. Computational and Systems Biology

    Focal seizures are organized by feedback between neural activity and ion concentration changes

    Damiano Gentiletti, Marco de Curtis ... Piotr Suffczynski
    Biophysically realistic computational model reveals how inhibitory interneurons initiate paroxysmal discharges and how changes in the ionic concentrations shape electrographic features of human seizures.
    1. Neuroscience

    Feedback inhibition and its control in an insect olfactory circuit

    Subhasis Ray, Zane N Aldworth, Mark A Stopfer
    Electrophysiological recordings and a large-scale biophysical model show that a unique inhibitory neuron plays a central role in structuring olfactory codes in the insect brain.

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