Results 41 to 50 of about 152,319 (200)

Ostriches sleep like platypuses.

open access: yesPLoS ONE, 2011
Mammals and birds engage in two distinct states of sleep, slow wave sleep (SWS) and rapid eye movement (REM) sleep. SWS is characterized by slow, high amplitude brain waves, while REM sleep is characterized by fast, low amplitude waves, known as ...
John A Lesku   +6 more
doaj   +1 more source

A study on sleep apnea in patients with abnormal sewda type of depression

open access: yesTraditional Medicine and Modern Medicine, 2020
Objective: To preliminarily investigate the clinical features and PSG in abnormal sewda-type depressive insomnia. Methods: A total of 127 abnormal sewda-type depressive insomnia patients were evaluated with overnight PSG, and 32 normal participants were ...
Aman Gul   +7 more
doaj   +1 more source

Essential roles of GABA transporter-1 in controlling rapid eye movement sleep and in increased slow wave activity after sleep deprivation. [PDF]

open access: yesPLoS ONE, 2013
GABA is the major inhibitory neurotransmitter in the mammalian central nervous system that has been strongly implicated in the regulation of sleep. GABA transporter subtype 1 (GAT1) constructs high affinity reuptake sites for GABA and regulates GABAergic
Xin-Hong Xu   +6 more
doaj   +1 more source

Neurobehavioral Associations with NREM and REM Sleep Architecture in Children with Autism Spectrum Disorder

open access: yesChildren, 2022
Objective: Insomnia and daytime behavioral problems are common issues in pediatric autism spectrum disorder (ASD), yet specific underlying relationships with NonRapid Eye Movement sleep (NREM) and Rapid Eye Movement (REM) sleep architecture are ...
Jennifer Nguyen   +4 more
doaj   +1 more source

A continuum model for the dynamics of the phase transition from slow-wave sleep to REM sleep [PDF]

open access: yes, 2010
Previous studies have shown that activated cortical states (awake and rapid eye-movement (REM) sleep), are associated with increased cholinergic input into the cerebral cortex.
Li, Xiaoli   +5 more
core   +2 more sources

Melanin-concentrating hormone (MCH): a new sleep factor?

open access: yesFrontiers in Neurology, 2011
Neurons that utilize the neuropeptide melanin-concentrating hormone (MCH) as a neuromodulator are mainly located in the lateral hypothalamus and the incerto-hypothalamic area, and have widespread projections throughout the brain.
Pablo eTorterolo   +2 more
doaj   +1 more source

A rare case of REM sleep-related bradyarrhythmia syndrome with concomitant severe hypertension: a case report and a review of literature

open access: yesActa Medica Lituanica, 2018
Introduction. Rapid eye movement (REM) sleep-related bradyarrhythmia syndrome is characterized by pathological asystoles during the REM sleep phase. It is a rare rhythm disorder, being reported only few times in the literature.
Gabrielius Jakutis   +6 more
doaj   +1 more source

Antidepressant suppression of REM and spindle sleep impairs hippocampus-dependent learning and memory but fosters striatal-dependent strategies [PDF]

open access: yes, 2011
REM sleep enhances hippocampus-dependent associative memory but has little impact on striatal-dependent procedural learning. Antidepressant medications like desipramine (DMI) inhibit rapid-eye-movement (REM) sleep but it is little understood how ...
Alain Watts   +3 more
core   +1 more source

The functional role of dreaming in emotional processes [PDF]

open access: yes, 2019
Dream experience (DE) represents a fascinating condition linked to emotional processes and the human inner world. Although the overlap between REM sleep and dreaming has been overcome, several studies point out that emotional and perceptually vivid ...
Bartolacci, Chiara   +4 more
core   +2 more sources

EEG oscillations during sleep and dream recall. State- or trait-like individual differences? [PDF]

open access: yes, 2015
Dreaming represents a peculiar form of cognitive activity during sleep. On the basis of the well-known relationship between sleep and memory, there has been a growing interest in the predictive role of human brain activity during sleep on dream recall ...
D'ATRI, AURORA   +4 more
core   +2 more sources

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