374 results found
    1. Neuroscience

    Reproducible, data-driven characterization of sleep based on brain dynamics and transitions from whole-night fMRI

    Fan Nils Yang, Dante Picchioni ... Jeff H Duyn
    Whole-night fMRI-based sleep classification uncovers distinct substates within N2 and REM sleep stages, along with a transition structure between them.
    1. Neuroscience

    Cellular and neurochemical basis of sleep stages in the thalamocortical network

    Giri P Krishnan, Sylvain Chauvette ... Maxim Bazhenov
    A computational model of the thalamocortical network explains sleep stages by the coordinated variations in the level of neuromodulators and predicts differences of sleep pattern in human, cat and mouse recordings.
    1. Neuroscience

    Developmental 'awakening' of primary motor cortex to the sensory consequences of movement

    James C Dooley, Mark S Blumberg
    Early in development, before neurons in primary motor cortex are involved in motor control, they undergo a rapid transition in how they process sensory information following sleep and wake movements.
    1. Neuroscience

    Cortical astrocytes independently regulate sleep depth and duration via separate GPCR pathways

    Trisha V Vaidyanathan, Max Collard ... Kira E Poskanzer
    Cortical astrocytes play key roles in NREM sleep by regulating sleep depth and duration through separate GPCR pathways, and differentially control neuronal slow-wave activity in local and remote cortical circuits.
    1. Neuroscience

    Sleeping at the switch

    Maude Bouchard, Jean-Marc Lina ... Julie Carrier
    Slow and fast switcher slow waves in human sleep show distinct EEG connectivity patterns and homeostatic regulation as well as changes during aging.
    1. Neuroscience

    State-dependent brainstem ensemble dynamics and their interactions with hippocampus across sleep states

    Tomomi Tsunematsu, Amisha A Patel ... Shuzo Sakata
    Sub-second pontine waves functionally interact with hippocampal population activity in a state-dependent manner across sleep states, while brainstem ensemble dynamics exhibit slow, long-lasting state-predictive activity.
    1. Neuroscience

    An inhibitory gate for state transition in cortex

    Stefano Zucca, Giulia D’Urso ... Tommaso Fellin
    Two major subtypes of cortical interneurons, the PV and the SST positive cells, causally contribute to the regulation of large-scale state transitions in the cortex.
    1. Neuroscience

    State-dependent coupling of hippocampal oscillations

    Brijesh Modi, Matteo Guardamagna ... Francesco P Battaglia
    A novel analytical framework for investigation of simultaneously occurring brain oscillations (from either single or multiple brain areas) and how it modulates the underlying neuronal population during sleep and wakefulness (or other behavioral tasks).
    1. Neuroscience

    Temporally delayed linear modelling (TDLM) measures replay in both animals and humans

    Yunzhe Liu, Raymond J Dolan ... Timothy E Behrens
    Temporally delayed linear modelling provides a domain-general linear framework for sequence detection and statistical testing, and is able to detect replays in both human neuroimaging and animal electrophysiology.
    1. Neuroscience

    A transient cortical state with sleep-like sensory responses precedes emergence from general anesthesia in humans

    Laura D Lewis, Giovanni Piantoni ... Patrick L Purdon
    Intracranial recordings of human brain activity during awakening from general anesthesia exhibit a brief brain state not seen during loss of consciousness, in which stimuli elicit large electrophysiological responses that resemble those seen in sleep.

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