Results 31 to 40 of about 55,386 (306)

A non-symmetric Gaussian wake model for lateral wake-to-wake interactions

open access: yesJournal of Physics: Conference Series, 2023
Abstract In this paper, we propose a new non-symmetric Gaussian wake model, which allows for different lateral expansions on the two sides of a wake to account for its interaction with neighbouring wakes. The proposed model is formulated following classical speed-deficit assumptions and momentum conservation.
Vad, Andreas   +2 more
openaire   +2 more sources

Characteristics of ventromedial thalamic neuronal activity during sleep-wake cycle in mice

open access: yes陆军军医大学学报, 2022
Objective To investigate the characteristics of ventromedial thalamus (VM) neuronal activity during sleep-wake cycles. Methods Both the oscillation state of electrical activity in the parietal cortex and three-dimensional acceleration of the head and ...
WANG Bin   +5 more
doaj   +1 more source

Changes in dentate gyrus neuronal activity during sleep-wake cycle in mice

open access: yes陆军军医大学学报, 2023
Objective To investigate the difference of dentate gyrus (DG) neuronal activity between wakefulness and sleep state, and the characteristics of DG neuronal activity during hippocampal sharp wave ripple and θ oscillations. Methods Six 3-month-dd male wild-
ZHANG Haibo, YANG Ye, CHEN Hui
doaj   +1 more source

Wake-up (or Wake-up for) Stroke: A Treatable Stroke [PDF]

open access: yesThe Neuroradiology Journal, 2013
A 74-year-old man was admitted to the Emergency Room of our institution with worsening dysarthria, left-side weakness and hypoesthesia (NIHSS score: 5) since his awakening at 7:30 a.m. The evening before, he had gone to sleep at 10:30 p.m. Brain computed tomography (CT) and cervicocranial CT angiography showed low density attenuation of the right ...
Bracco, S.   +7 more
openaire   +3 more sources

The Neural Correlates of Consciousness: A Spectral Exponent Approach to Diagnosing Disorders of Consciousness

open access: yesBrain Sciences
Background/Objectives: Disorder of consciousness (DoC) poses diagnostic challenges due to behavioral assessment limitations. This study evaluates the spectral exponent (SE)—a neurophysiological biomarker quantifying the decay slope of ...
Ying Zhao   +5 more
doaj   +1 more source

The Mysterious Island: Insula and Its Dual Function in Sleep and Wakefulness

open access: yesFrontiers in Systems Neuroscience, 2021
In the recent sleep studies, it was shown that afferentation of many cortical areas switches during sleep to the interoceptive one. However, it was unclear whether the insular cortex, which is often considered as the main cortical visceral representation,
Ekaterina V. Levichkina   +4 more
doaj   +1 more source

Of dreaming and wakefulness

open access: yesNeuroscience, 1991
Following a set of studies concerning the intrinsic electrophysiology of mammalian central neurons in relation to global brain function, we reach the following conclusions: (i) the main difference between wakefulness and paradoxical sleep lies in the weight given to sensory afferents in cognitive images; (ii) otherwise, wakefulness and paradoxical ...
R R, Llinás, D, Paré
openaire   +2 more sources

Efficacy of Intermittent Theta‐Burst Stimulation for Prolonged Disorders of Consciousness: A Prospective, Randomized, Controlled Trial

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Emerging evidence suggests that low‐frequency neural oscillations are dynamically regulated by consciousness levels, with the recovery of low cortical activity potentially serving as a neurophysiological substrate for conscious emergence. Targeted enhancement of these low‐frequency rhythms in patients with disorders of consciousness
Chuan Xu   +10 more
wiley   +1 more source

Computational Modeling of Information Propagation during the Sleep–Waking Cycle

open access: yesBiology, 2021
Non-threatening familiar sounds can go unnoticed during sleep despite the fact that they enter our brain by exciting the auditory nerves. Extracellular cortical recordings in the primary auditory cortex of rodents show that an increase in firing rate in ...
Farhad Razi   +2 more
doaj   +1 more source

Wake fields and wake field acceleration [PDF]

open access: yesAIP Conference Proceedings, 1985
The concepts of wake fields and wake potential are introduced, some basic properties of their functions examined and briefly a few applications are looked. (AIP)
Bane, K.L.F., Wilson, P.B., Weiland, T.
openaire   +1 more source

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