774 results found
    1. Medicine

    Migraine monoclonal antibodies against CGRP change brain activity depending on ligand or receptor target – an fMRI study

    Hauke Basedau, Lisa-Marie Sturm ... Arne May
    Despite relative impermeability of the blood-brain barrier for calcitonin gene-related peptide antibodies used in migraine treatment, these antibodies induce certain and highly specific brain effects particularly in the hypothalamus which may be part of the mechanism of their efficacy.
    1. Neuroscience

    Mapping quantal touch using 7 Tesla functional magnetic resonance imaging and single-unit intraneural microstimulation

    Rosa Maria Sanchez Panchuelo, Rochelle Ackerley ... Francis McGlone
    The combination of intraneural microstimulation and 7T fMRI makes it possible to bridge the gap between first-order mechanoreceptive afferent input codes and their spatial, dynamic and perceptual representations in human cortex.
    1. Neuroscience

    Toward a more informative representation of the fetal–neonatal brain connectome using variational autoencoder

    Jung-Hoon Kim, Josepheen De Asis-Cruz ... Catherine Limperopoulos
    A nonlinear deep generative model can represent fetal–neonatal resting-state functional magnetic resonance imaging better than conventional linear models.
    1. Neuroscience

    Grid-cell representations in mental simulation

    Jacob LS Bellmund, Lorena Deuker ... Christian F Doeller
    Functional magnetic resonance imaging performed while people imagined directions from stationary viewpoints supports theories suggesting that spatially tuned cells such as grid cells underlie mental simulation for future thinking.
    1. Medicine
    2. Neuroscience

    Instantaneous antidepressant effect of lateral habenula deep brain stimulation in rats studied with functional MRI

    Gen Li, Binshi Bo ... Xiaojie Duan
    Electrical stimulation at the lateral habenula causes an instantaneous remission of depressive symptoms in two rat models, with more medial stimulation sites exhibiting greater antidepressant effects than more lateral stimulation sites, as revealed by functional MRI studies.
    1. Neuroscience

    Selective recruitment of the cerebellum evidenced by task-dependent gating of inputs

    Ladan Shahshahani, Maedbh King ... Jörn Diedrichsen
    The human cerebellum shows fMRI activity for many tasks – however, the inputs from the neocortex are upregulated in a task-dependent manner when cerebellar computation is required.
    1. Neuroscience

    EEG-fMRI in awake rat and whole-brain simulations show decreased brain responsiveness to sensory stimulations during absence seizures

    Petteri Stenroos, Isabelle Guillemain ... Emmanuel L Barbier
    Rats with absence epilepsy exhibit hindered and restricted sensory processing during ongoing seizures, as demonstrated by functional magnetic resonance imaging and mean-field simulation studies.
    1. Neuroscience

    Brain states govern the spatio-temporal dynamics of resting-state functional connectivity

    Felipe Aedo-Jury, Miriam Schwalm ... Albrecht Stroh
    Distinct brain states govern resting state functional architecture revealed by neurophysiologically defined simultaneous optic-fiber-based calcium recordings and task-free functional magnetic resonance imaging (fMRI) in rats.
    1. Neuroscience

    Successful retrieval of competing spatial environments in humans involves hippocampal pattern separation mechanisms

    Colin T Kyle, Jared D Stokes ... Arne D Ekstrom
    Functional magnetic resonance imaging and multivariate pattern analysis reveal remapping-like behavior during successful retrieval of competing environments, while unsuccessful retrieval is accompanied by reinstatement of interfering representations.
    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.

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