نتایج جستجو برای: wakefulness
تعداد نتایج: 9891 فیلتر نتایج به سال:
Taking a temporal perspective, we examined how employees' mood (i.e., wakefulness-tiredness, calmness-tenseness, and pleasantness-unpleasantness) develops during the workday tested daily recovery from work as predictor of these trajectories. Specifically, analysed serial mediation model with evening experiences psychological detachment, relaxation, mastery experiences, control) being indirectly...
The basal forebrain (BF) is a key structure in regulating both cortical activity and sleep homeostasis. It receives input from all ascending arousal systems and is particularly highly innervated by histaminergic neurons. Previous studies clearly point to a role for histamine as a wake-promoting substance in the BF. We used in vivo microdialysis and pharmacological treatments in rats to study wh...
Modafinil is an increasingly popular wake-promoting drug used for the treatment of narcolepsy, but its precise mechanism of action is unknown. To determine potential pathways via which modafinil acts, we administered a range of doses of modafinil to rats, recorded sleep/wake activity, and studied the pattern of neuronal activation using Fos immunohistochemistry. To contrast modafinil-induced wa...
During dreaming, as well as during wakefulness, elaborative encoding, indexing and ancient art of memory (AAOM) techniques, such as the method of loci, may coincide with emotion regulation. These techniques shed light on the link between dreaming and emotional catharsis, post-traumatic stress disorder, supermemorization during sleep as opposed to wakefulness, and the developmental role of rapid...
1257 In 1916, Baron Constantin von Economo, a Viennese neurologist, began to see patients with a new type of encephalitis that specifically attacked regions of the brain that regulate sleep and wakefulness. This disorder, which was eventually called encephalitis lethargica or von Economo’s sleeping sickness, swept through Europe and North America during the second decade of the twentieth centur...
This study was performed to test the hypothesis that cholinoceptive basal forebrain systems can significantly influence cholinoceptive pontine mechanisms known to be important for generating rapid eye movement (REM) sleep. This hypothesis was examined by microinjecting the cholinergic agonist carbachol or saline (vehicle control) into the pons, the basal forebrain, or simultaneously into the po...
BACKGROUND Very severe traumatic brain injury may cause disorders of consciousness in the form of coma, unresponsive wakefulness syndrome (also known as vegetative state) or minimally conscious state. Previous studies of outcome for these patients largely pre-date the 2002 definition of minimally conscious state. OBJECTIVES To establish the numbers of patients with disorder of consciousness a...
Polysomnography, including EEG recording, is the standard method to diagnose obstructive sleep apnea (OSA) in children and adults. Diagnosis of OSA would be considerably simplified if it was shown that sleep could be distinguished from wakefulness without EEG recordings. Therefore, we compared sleep/wakefulness classification using a simplified cardiorespiratory-video (CRV) method with standard...
Exciting new developments in the psychopharmacology of wakefulness are clarifying the neurotransmitters, pathways, and drugs that impact this important physiologic state. Selectively inducing normal wakefulness without stimulating external vigilance may lead to therapeutic benefits not only in sleep disorders but also in cognitive disorders and conditions associated with fatigue.
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