23 results found
    1. Neuroscience

    Noise-induced plasticity of KCNQ2/3 and HCN channels underlies vulnerability and resilience to tinnitus

    Shuang Li, Bopanna I Kalappa, Thanos Tzounopoulos
    Mice that successfully avoid developing tinnitus despite exposure to excessive noise show spontaneous recovery of KCNQ2/3 potassium channel activity associated with a reduction in HCN channel activity in auditory brainstem neurons.
    1. Neuroscience

    Tinnitus and hyperacusis involve hyperactivity and enhanced connectivity in auditory-limbic-arousal-cerebellar network

    Yu-Chen Chen, Xiaowei Li ... Gao-Jun Teng
    A comprehensive battery of behavioral, electrophysiological and functional MRI techniques has allowed the development of a data-driven conceptual model of the tinnitus-hyperacusis network.
    1. Neuroscience

    Neural signatures of auditory hypersensitivity following acoustic trauma

    Matthew McGill, Ariel E Hight ... Daniel B Polley
    Chronic two-photon calcium imaging, optogenetics, and operant behavioral approaches were leveraged to show that hyperactivity, hyperresponsivity, and hypersynchronization in auditory cortex neural ensembles can account for auditory hypersensitivity following acoustic trauma.
    1. Neuroscience

    Spinal Cord Injury: Is the vagus nerve our neural connectome?

    V Reggie Edgerton, Parag Gad
    What are the implications of the vagus nerve being able to mediate the time-dependent plasticity of an array of sensorimotor networks?.
    Insight
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  1. June 2015

    Episode 21: June 2015

    In this episode we hear about tinnitus and hyperacusis, salamanders, chemical harpoons, and the role of ultrasound and song in the mating rituals of mice and flies.
    1. Neuroscience

    Bottom-up and top-down neural signatures of disordered multi-talker speech perception in adults with normal hearing

    Aravindakshan Parthasarathy, Kenneth E Hancock ... Daniel B Polley
    Ear canal EEG and pupillometry reveal disordered temporal processing in adults with normal hearing who struggle to understand conversations in noisy backgrounds.
    1. Neuroscience

    Cell-specific gain modulation by synaptically released zinc in cortical circuits of audition

    Charles T Anderson, Manoj Kumar ... Thanos Tzounopoulos
    Synaptic zinc is a novel modulator of cortical sound processing - a modulator that increases the gain of principal neurons, but reduces the gain of interneurons.
    1. Neuroscience

    Fast-spiking GABA circuit dynamics in the auditory cortex predict recovery of sensory processing following peripheral nerve damage

    Jennifer Resnik, Daniel B Polley
    Dynamic regulation of feedforward inhibition from parvalbumin-expressing inhibitory neurons is linked to the gradual restoration of cortical sensory processing following auditory nerve damage.
    Short Report Updated
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    1. Cell Biology
    2. Neuroscience

    A synaptic F-actin network controls otoferlin-dependent exocytosis in auditory inner hair cells

    Philippe FY Vincent, Yohan Bouleau ... Didier Dulon
    A synaptic F-actin network tightly controls the flow of synaptic vesicles during exocytosis at the inner hair cell ribbons.
    Short Report Updated
    Formats available:
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    1. Evolutionary Biology

    Plasticity and evolutionary convergence in the locomotor skeleton of Greater Antillean Anolis lizards

    Nathalie Feiner, Illiam SC Jackson ... Tobias Uller
    A comparative and experimental research refutes the controversial hypothesis that plasticity played a major role in the convergent evolution of Anolis ecomorphs.

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