256 results found
    1. Neuroscience

    An electrophysiological marker of arousal level in humans

    Janna D Lendner, Randolph F Helfrich ... Robert T Knight
    Non-oscillatory brain activity can be used to monitor arousal levels during both NREM and REM sleep as well as under general anesthesia with propofol.
    1. Neuroscience

    Spectral signature and behavioral consequence of spontaneous shifts of pupil-linked arousal in human

    Ella Podvalny, Leana E King, Biyu J He
    Fluctuations of spectral power in large-scale cortical networks shape behavior in a perceptual decision-making task through arousal-linked and arousal-independent mechanisms.
    1. Neuroscience

    Behavioural and neural signatures of perceptual decision-making are modulated by pupil-linked arousal

    Jochem van Kempen, Gerard M Loughnane ... Mark A Bellgrove
    A direct relationship between pupil diameter and electrophysiological correlates of attention, sensory stimulus processing and target detection was observed demonstrating that arousal has a substantial influence on perceptual decision-making.
    1. Neuroscience

    Neural effects of propofol-induced unconsciousness and its reversal using thalamic stimulation

    André M Bastos, Jacob A Donoghue ... Earl K Miller
    Understanding how general anesthesia changes neural dynamics in the cortex and thalamus can lead to its safer use and shed light on the nature of consciousness.
    1. Neuroscience

    Dissociating orexin-dependent and -independent functions of orexin neurons using novel Orexin-Flp knock-in mice

    Srikanta Chowdhury, Chi Jung Hung ... Akihiro Yamanaka
    Subtraction analysis using novel Orexin-Flp mice isolated physiological importance of orexin peptides.
    1. Neuroscience

    Response outcome gates the effect of spontaneous cortical state fluctuations on perceptual decisions

    Davide Reato, Raphael Steinfeld ... Alfonso Renart
    In a forced-choice auditory discrimination task, mice are more accurate if neural activity in the auditory cortex in the pre-stimulus baseline is higher and more desynchronized, but only if the previous trial was an error.
    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

    Different types of theta rhythmicity are induced by social and fearful stimuli in a network associated with social memory

    Alex Tendler, Shlomo Wagner
    Variations in the frequency of theta brain waves enable a single network of brain regions to generate appropriate responses to stimuli with different kinds of emotional value.
    1. Neuroscience

    Dysfunctions of the paraventricular hypothalamic nucleus induce hypersomnia in mice

    Chang-Rui Chen, Yu-Heng Zhong ... Zhi-Li Huang
    The paraventricular nucleus of the hypothalamus is essential for physiologic arousal and the pathogenesis underlying hypersomnolence disorder.
    1. Neuroscience

    Brainstem network dynamics underlying the encoding of bladder information

    Anitha Manohar, Andre L Curtis ... Rita J Valentino
    Neural and network activity within a pontine-cortical micturition circuit are finely coordinated with urodynamics to assure appropriate voiding behaviors.

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