451 results found
    1. Neuroscience

    Resting-state fMRI signals contain spectral signatures of local hemodynamic response timing

    Sydney M Bailes, Daniel EP Gomez ... Laura D Lewis
    The frequency content of resting-state fMRI signals contains information that can characterize and predict local variations in hemodynamic response timing which enhances the temporal precision of fMRI.
    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. Neuroscience

    Mapping dopaminergic projections in the human brain with resting-state fMRI

    Marianne Oldehinkel, Alberto Llera ... Christian F Beckmann
    A functional connectivity gradient in striatum is obtained that maps onto DaT SPECT-derived dopaminergic projections and thereby likely provides a new biomarker for investigating dopaminergic (dys)function in the human brain.
    1. Neuroscience

    Neuromodulation of striatal D1 cells shapes BOLD fluctuations in anatomically connected thalamic and cortical regions

    Marija Markicevic, Oliver Sturman ... Nicole Wenderoth
    The structural characteristics of a circuit and its hierarchical dimensions are shown to influence regional time-series dynamics after targeted cellular-level manipulations.
    1. Neuroscience

    Functional connectivity in human auditory networks and the origins of variation in the transmission of musical systems

    Massimo Lumaca, Boris Kleber ... Giosue Baggio
    Resting-state functional connectivity between core regions of fronto-temporal auditory networks can distinguish music transmitters from innovators.
    1. Neuroscience

    Primate homologs of mouse cortico-striatal circuits

    Joshua Henk Balsters, Valerio Zerbi ... Rogier B Mars
    Connectivity fingerprint matching bridges the gap between mouse and primate neuroanatomy, addressing crucial questions surrounding brain evolution that likely impact translation across species.
    1. Neuroscience

    Resting state functional connectivity in the human spinal cord

    Robert L Barry, Seth A Smith ... John C Gore
    Resting state spinal fMRI will be useful in studies of normal spinal cord function and central nervous system disorders.
    1. Neuroscience

    Infant brain regional cerebral blood flow increases supporting emergence of the default-mode network

    Qinlin Yu, Minhui Ouyang ... Hao Huang
    Unprecedented 4D spatiotemporal infant regional cerebral blood flow framework and region-specific physiology–function coupling across infancy were elucidated, highlighting strong physiology–function coupling specifically at the default-mode network to meet extraneuronal metabolic demand for network emergence.
    1. Neuroscience

    Decoding the brain state-dependent relationship between pupil dynamics and resting state fMRI signal fluctuation

    Filip Sobczak, Patricia Pais-Roldán ... Xin Yu
    The variability of the pupil–fMRI relationship was characterized through a combination of clustering and prediction methods, which revealed brain state-specific subcortical and neuromodulatory activation patterns reflected in pupil dynamics.

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