Results 81 to 90 of about 206,572 (209)

Obstructive sleep apnea related to rapid-eye-movement or non-rapid-eye-movement sleep: comparison of demographic, anthropometric, and polysomnographic features

Jornal Brasileiro de Pneumologia, 2016
Objective : To determine whether there are significant differences between rapid-eye-movement (REM)-related obstructive sleep apnea (OSA) and non-REM (NREM)-related OSA, in terms of the demographic, anthropometric, and polysomnographic characteristics of
Aysel Sunnetcioglu, Bunyamin Sertogullarından, Bulent Ozbay, Hulya Gunbatar, Selami Ekin   +4 more
doaj   +1 more source

Variations of Sleep Patterns and Their Relations with Positive and Negative Domains of Schizophrenia in Eastern Indian Population

Taiwanese Journal of Psychiatry
Objectives: Schizophrenia is a persistent and incapacitating psychiatric condition characterized by symptoms with positive, negative, affective, and cognitive domains. Sleep disturbances represent an important facet of this disorder, impacting both the
Amit Kumar Pal, Partha Sarathi Kundu, Arghya Halder, Sagarika Ray, Amit Kumar Bhattacharya   +4 more
doaj   +1 more source

Virtual reality and consciousness inference in dreaming [PDF]

, 2014
This article explores the notion that the brain is genetically endowed with an innate virtual reality generator that – through experience-dependent plasticity – becomes a generative or predictive model of the world.
Friston, Karl J., Hobson, J. Allan, Hong, Charles C.-H.   +2 more
core   +2 more sources

Sexual hypnagogic hallucinations and narcolepsy with cataplexy: a case report

Sleep Science, 2011
Sexual behavior can be associated with several stages of sleep, including both non-rapid eye movement and rapid eye movement stages of sleep. In narcoleptic patients, orgasmic cataplexy, or orgasmolepsy, and sexual hypnagogic hallucinations can be ...
Fernando Morgadinho Santos Coelho, Alexander Moszczynski, Marc Narayansingh, Neal Parekh, Marcia Pradella-Hallinan   +4 more
doaj   +1 more source

Violence in sleep [PDF]

, 2017
Although generally considered as mutually exclusive, violence and sleep can coexist. Violence related to the sleep period is probably more frequent than generally assumed and can be observed in various conditions including parasomnias (such as arousal ...
Bassetti, Claudio L., Cramer Bornemann, Michel A., Khatami, Ramin, Mahowald, Mark W., Nobili, Lino, Schenck, Carlos H., Siclari, Francesca, Urbaniok, Frank   +7 more
core  

The Correlation between Sleep and Creativity [PDF]

, 2010
Fredrich August von Kekule, a famous German chemist, was attempting to determine the shape of the benzene molecule, which was known to have six carbon atoms.
Debora Aricò, John Williamson, Kenneth Heilman, Pasquale Montagna, Paul Foster, Raffaele Ferri, Valeria Drago   +6 more
core   +1 more source

Regulation of REM sleep in mice: The role of dopamine and serotonin function in the basolateral amygdala

Neuroscience Research
Animals have a sleep cycle that involves the repetitive occurrence of non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. In a previous study, we discovered that a transient increase in dopamine (DA) levels in the basolateral amygdala
Emi Hasegawa, Yulong Li, Takeshi Sakurai
doaj   +1 more source

Quantification of sleep in dairy cows in three different stages of lactation [PDF]

, 2011
The aim of this project was to quantify the total sleep time in modern dairy cows during 24-hour periods and to investigate whether the total amount of sleep as well as time spent in different sleep stages varies between the dry period, early- and peak ...
Nilsson, Emma
core   +1 more source

Lateralized differences in power spectra across different frequency bands during NREM sleep in patients with primary insomnia

Frontiers in Neuroscience
ObjectiveTo compare the electroencephalogram power spectrum of patients with primary insomnia and good sleep controls in multiple brain areas and different frequency bands during non-rapid eye movement sleep.Methods48 primary insomnias and 30 age-and ...
Jiao Huang, Jiao Huang, Jing Ye, Mingjie Gao, Wentao Gao, Weijia Chen, Yifeng Zhu, Yongbo Wang, Daijin Huang, Yunhui Lv, Hong Shi   +10 more
doaj   +1 more source

Selectively driving cholinergic fibers optically in the thalamic reticular nucleus promotes sleep

eLife, 2016
Cholinergic projections from the basal forebrain and brainstem are thought to play important roles in rapid eye movement (REM) sleep and arousal. Using transgenic mice in which channelrhdopsin-2 is selectively expressed in cholinergic neurons, we show ...
Kun-Ming Ni, Xiao-Jun Hou, Ci-Hang Yang, Ping Dong, Yue Li, Ying Zhang, Ping Jiang, Darwin K Berg, Shumin Duan, Xiao-Ming Li   +9 more
doaj   +1 more source