2,067 results found
    1. Neuroscience

    Instructions and experiential learning have similar impacts on pain and pain-related brain responses but produce dissociations in value-based reversal learning

    Lauren Y Atlas, Troy C Dildine ... Daniel S Pine
    Combining computational models with FMRI in humans during pain reversal learning reveals parallel pain modulatory brain circuits that differ in their flexibility and sensitivity to instructions.
    1. Computational and Systems Biology
    2. Neuroscience

    Uncovering circuit mechanisms of current sinks and sources with biophysical simulations of primary visual cortex

    Atle E Rimehaug, Alexander J Stasik ... Anton Arkhipov
    A biophysically detailed model of mouse primary visual cortex reproduces, in a quantitative manner, experimentally recorded spikes and local field potentials, and suggests mechanisms that form current sinks and sources in vivo.
    1. Neuroscience

    Human endogenous oxytocin and its neural correlates show adaptive responses to social touch based on recent social context

    Linda Handlin, Giovanni Novembre ... India Morrison
    Touch-mediated social interactions in human females elicited endogenous oxytocin and brain responses in a covariant manner, and these changes were modulated by the familiarity of the person delivering touch as well as the recent history of social interaction.
    1. Cell Biology
    2. Neuroscience

    Glycolytic preconditioning in astrocytes mitigates trauma-induced neurodegeneration

    Rene Solano Fonseca, Patrick Metang ... Peter M Douglas
    Promoting a Warburg-like shift in astrocytic metabolism through reduced mitochondrial electron transport accommodates the energetic burden caused by brain trauma without overwhelming cellular respiration and redox to salvage dopaminergic neurons.
    1. Chromosomes and Gene Expression

    Genetic dissection of the RNA polymerase II transcription cycle

    Shao-Pei Chou, Adriana K Alexander ... Charles G Danko
    Natural genetic variation reveals how DNA sequence impacts core transcriptional processes of initiation, pause, and termination.
    1. Physics of Living Systems

    Vein fate determined by flow-based but time-delayed integration of network architecture

    Sophie Marbach, Noah Ziethen ... Karen Alim
    Relative hydraulic resistance, shear rate, and pressure in a vascular network integrate the network's architecture via fluid flow, and determine vein dynamics, with a time delay, in the prototypical organism Physarum polycephalum.
    1. Cell Biology
    2. Physics of Living Systems

    Three-dimensional structure of kinetochore-fibers in human mitotic spindles

    Robert Kiewisz, Gunar Fabig ... Thomas Müller-Reichert
    Comprehensive 3D electron tomography reconstructions of metaphase spindles in human tissue culture cells reveal that kinetochore-fibers broaden as they extend polewards, forming semi-direct connections to the pole, where they preferentially interact with the spindle network.
    1. Computational and Systems Biology
    2. Neuroscience

    Graphical-model framework for automated annotation of cell identities in dense cellular images

    Shivesh Chaudhary, Sol Ah Lee ... Hang Lu
    Unbiased and automatic annotation using structured prediction framework with efficiently built data-driven atlases is more accurate than registration-based methods for cell identifications in dense images and enables fast whole-brain analysis.
    1. Evolutionary Biology

    Decreased recent adaptation at human mendelian disease genes as a possible consequence of interference between advantageous and deleterious variants

    Chenlu Di, Jesus Murga Moreno ... David Enard
    Harmful genetic variants at mendelian disease genes slow down adaptation, by interfering with the spread of adaptive variants in a population.
    1. Computational and Systems Biology
    2. Neuroscience

    Task-dependent optimal representations for cerebellar learning

    Marjorie Xie, Samuel P Muscinelli ... Ashok Litwin-Kumar
    Classical theoretical approaches to studying the cerebellar cortex are generalized to a broader set of learning tasks, revealing that the optimal value for the sparsity of granule cell activity is task-dependent.

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