1,646 results found
    1. Neuroscience

    Ventromedial hypothalamic neurons control a defensive emotion state

    Prabhat S Kunwar, Moriel Zelikowsky ... David J Anderson
    Stimulation of specific neurons within the hypothalamus triggers a fear-like emotion state and behavioral response in mice, challenging the textbook view that the hypothalamus serves simply as a relay for emotion states encoded in the amygdala.
    1. Neuroscience

    An hourglass circuit motif transforms a motor program via subcellularly localized muscle calcium signaling and contraction

    Steven R Sando, Nikhil Bhatla ... H Robert Horvitz
    By driving the localized contraction of subcellular muscle regions, a single motor neuron reverses the flow of material in the Caenorhabditis elegans pharynx, a neuromuscular pump, converting feeding into spitting.
    1. Neuroscience

    Vocalization categorization behavior explained by a feature-based auditory categorization model

    Manaswini Kar, Marianny Pernia ... Srivatsun Sadagopan
    A theoretical model that uses maximally informative spectrotemporal features to classify vocalizations, trained solely on natural guinea pig vocalizations, predicts guinea pig behavioral performance in classifying natural as well as spectrotemporally manipulated vocalizations.
    1. Developmental Biology

    Revised roles of ISL1 in a hES cell-based model of human heart chamber specification

    Roberto Quaranta, Jakob Fell ... Boris Greber
    Loss and gain-of-function investigation uncovers a regulatory network controlling human heart chamber specification in which the cardiac precursor gene ISL1 accelerates ventricular induction and antagonizes retinoic acid-driven atrial commitment.
    1. Cell Biology
    2. Neuroscience

    PDZD7-MYO7A complex identified in enriched stereocilia membranes

    Clive P Morgan, Jocelyn F Krey ... Peter G Barr-Gillespie
    A new purification method for stereocilia membranes enables efficient immunoaffinity purification of rare protein complexes from hair cell stereocilia, including the newly described complex of deafness genes PDZD7 and MYO7A.
    1. Neuroscience

    Postsynaptic plasticity of cholinergic synapses underlies the induction and expression of appetitive and familiarity memories in Drosophila

    Carlotta Pribbenow, Yi-chun Chen ... David Owald
    Specific memories can be stored through changes in the postsynaptic cholinergic receptor composition at Drosophila mushroom body synapses.
    1. Neuroscience

    Realistic mossy fiber input patterns to unipolar brush cells evoke a continuum of temporal responses comprised of components mediated by different glutamate receptors

    Vincent Huson, Wade G Regehr
    Different glutamate receptors have specialized roles that allow cerebellar unipolar brush cells to transform realistic mossy fiber input patterns into a continuum of temporal responses.
    1. Neuroscience

    Heterosynaptic plasticity of the visuo-auditory projection requires cholecystokinin released from entorhinal cortex afferents

    Wenjian Sun, Haohao Wu ... Jufang He
    Visuo-auditory associative memories in the neocortex are formed through cholecystokinin-mediated heterosynaptic plasticity, primarily involving entorhinal cortex projections to the auditory cortex, highlighting intricate neural dynamics in multisensory memory processing.
    1. Neuroscience

    Circuit mechanisms encoding odors and driving aging-associated behavioral declines in Caenorhabditis elegans

    Sarah G Leinwand, Claire J Yang ... Sreekanth H Chalasani
    Neurotransmission pathways from primary to secondary neurons encode odor and underlie age-related sensory behavioral declines.
    1. Structural Biology and Molecular Biophysics

    Ca2+ inactivation of the mammalian ryanodine receptor type 1 in a lipidic environment revealed by cryo-EM

    Ashok R Nayak, Montserrat Samsó
    Cryogenic electron microscopy of the ryanodine receptor 1 at near-atomic resolution reveals a calcium-inactivated conformation and uncovers a conserved lipid-binding site.

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