2,034 results found
    1. Neuroscience

    Optical electrophysiology for probing function and pharmacology of voltage-gated ion channels

    Hongkang Zhang, Elaine Reichert, Adam E Cohen
    Optogenetic tools enable sophisticated measurements of a voltage-gated sodium channel implicated in pain, as well as high-throughput screening of candidate channel blockers.
    1. Neuroscience

    Reconciling functional differences in populations of neurons recorded with two-photon imaging and electrophysiology

    Joshua H Siegle, Peter Ledochowitsch ... Saskia EJ de Vries
    Discrepancies between functional responses measured with electrophysiology and calcium imaging can be largely reconciled by considering the spike-to-calcium transfer function, neuronal sampling bias, and cluster merging artifacts during spike sorting.
    1. Neuroscience

    Neural underpinning of a respiration-associated resting-state fMRI network

    Wenyu Tu, Nanyin Zhang
    Using simultaneous recordings of electrophysiology, respiration, and resting-state fMRI, a respiration-associated neural network is identified.
    1. Neuroscience

    Disparity in temporal and spatial relationships between resting-state electrophysiological and fMRI signals

    Wenyu Tu, Samuel R Cramer, Nanyin Zhang
    There is a disparity in temporal and spatial relationships between resting-state electrophysiological and functional magnetic resonance imaging (fMRI) signals, suggesting the electrophysiological signal alone cannot fully explain the effects observed in the resting-state fMRI signal.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Excitatory and inhibitory D-serine binding to the NMDA receptor

    Remy A Yovanno, Tsung Han Chou ... Albert Y Lau
    Molecular dynamics simulations reveal that D-serine competes with glutamate for binding to the NMDA receptor, a finding supported by electrophysiology experiments with consequences for D-serine-focused therapeutic strategies for myriad neurological disorders.
    1. Neuroscience

    Encoding and control of orientation to airflow by a set of Drosophila fan-shaped body neurons

    Timothy A Currier, Andrew MM Matheson, Katherine I Nagel
    Electrophysiology identifies a population of fan-shaped body neurons that encode airflow in two directions relative to the fly midline and whose silencing disrupts proper orientation to airflow.
    1. Structural Biology and Molecular Biophysics

    Structure and physiological function of the human KCNQ1 channel voltage sensor intermediate state

    Keenan C Taylor, Po Wei Kang ... Charles R Sanders
    The intermediate state conformation of the human KCNQ1 potassium channel voltage sensor domain was determined, validated, and shown to be conductive under physiological conditions.
    1. Computational and Systems Biology

    Assessing drug safety by identifying the axis of arrhythmia in cardiomyocyte electrophysiology

    Stewart Heitmann, Jamie I Vandenberg, Adam P Hill
    A novel mathematical method for screening new drugs for pro-arrhythmic cardiotoxicity without using animals or costly drug-specific computer simulations is proposed.
    1. Neuroscience

    Combining magnetoencephalography with magnetic resonance imaging enhances learning of surrogate-biomarkers

    Denis A Engemann, Oleh Kozynets ... Alexandre Gramfort
    Predicting age jointly from multimodal brain images and electrophysiology with machine learning enhances detecting health issues and facets of cognitive decline.
    1. Neuroscience

    Multi-day neuron tracking in high-density electrophysiology recordings using earth mover’s distance

    Augustine Xiaoran Yuan, Jennifer Colonell ... Timothy D Harris
    Neurons can be tracked in mice implanted with Neuropixels 2.0 probes for up to 8 weeks using visual receptive fields to score tracking in the absence of reference data.

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