4,116 results found
    1. Neuroscience

    Simultaneous brain, brainstem, and spinal cord pharmacological-fMRI reveals involvement of an endogenous opioid network in attentional analgesia

    Valeria Oliva, Ron Hartley-Davies ... Jonathan CW Brooks
    Attention-grabbing tasks produce rapid opioid-mediated analgesia via the descending pain modulation network to alter spinal neuronal activity.
    1. Medicine
    2. Neuroscience

    Virtual mouse brain histology from multi-contrast MRI via deep learning

    Zifei Liang, Choong H Lee ... Jiangyang Zhang
    Deep convolutional neural networks can generate virtual histology from magnetic resonance imaging (MRI) data to map cellular structures in the mouse brain with high specificity, which enables neurobiologists to use MRI to characterize neuropathology effectively.
    1. Computational and Systems Biology
    2. Neuroscience

    A generalizable brain extraction net (BEN) for multimodal MRI data from rodents, nonhuman primates, and humans

    Ziqi Yu, Xiaoyang Han ... Jianfeng Feng
    The Brain Extraction Network (BEN) provides a robust, accurate, and generalizable solution not only for extracting brain tissue from multimodal MRI data in rodents, non-human primates, and humans, but also for improving the accuracy of downstream neuroimaging processing tasks.
    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.
    1. Neuroscience

    Population receptive fields in nonhuman primates from whole-brain fMRI and large-scale neurophysiology in visual cortex

    P Christiaan Klink, Xing Chen ... Pieter R Roelfsema
    Within-species comparison of population receptive fields determined with fMRI and electrophysiology in nonhuman primates reveals the neuronal basis of blood-oxygen-level-dependent-based retinotopy.
    1. Neuroscience

    Non-invasive imaging of CSF-mediated brain clearance pathways via assessment of perivascular fluid movement with diffusion tensor MRI

    Ian F Harrison, Bernard Siow ... Jack A Wells
    The first non-invasive technique to assess the action of brain clearance mechanisms, driven by the perivascular inflow of cerebrospinal fluid, has been developed using magnetic resonance imaging.
    1. Genetics and Genomics
    2. Neuroscience

    Integrated transcriptomic and neuroimaging brain model decodes biological mechanisms in aging and Alzheimer’s disease

    Quadri Adewale, Ahmed F Khan ... Alzheimer's Disease Neuroimaging Initiative
    Identification of causal genes and their effects on other biological determinants untangles the complexities of aging and Alzheimer's and can facilitate drug discovery for sustaining healthy aging and treating Alzheimer's.
    1. Neuroscience

    Network structure of brain atrophy in de novo Parkinson's disease

    Yashar Zeighami, Miguel Ulla ... Alain Dagher
    The pattern of atrophy in Parkinson's disease is consistent with the disease spreading via intrinsic brain networks.
    1. Computational and Systems Biology
    2. Neuroscience

    Inferring multi-scale neural mechanisms with brain network modelling

    Michael Schirner, Anthony Randal McIntosh ... Petra Ritter
    Hybrid brain network models predict neurophysiological processes that link structural and functional empirical data across scales and modalities in order to better understand neural information processing and its relation to brain function.
    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.

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