Results 21 to 30 of about 87,517 (277)

Differential Effects of an Alpha-2 Agonist on Wakefulness and Paradoxical Sleep in The Rat: A Polygraphic and Biochemical Approach

open access: yesBehavioural Neurology, 1997
The purpose of this experiment was to determine the sensitivity of wakefulness and paradoxical sleep to the α2-agonist, c1onidine. The drug inhibited both wakefulness and paradoxical sleep but the smallest dose necessary to inhibit wakefulness was 64 ...
Z. de Saint Hilaire   +3 more
doaj   +1 more source

Phase transitions in single neurons and neural populations: Critical slowing, anesthesia, and sleep cycles [PDF]

open access: yes, 2010
The firing of an action potential by a biological neuron represents a dramatic transition from small-scale linear stochastics (subthreshold voltage fluctuations) to gross-scale nonlinear dynamics (birth of a 1-ms voltage spike). In populations of neurons
Sleigh, James W.   +3 more
core   +2 more sources

Autonomic pain responses during sleep: a study of heart rate variability [PDF]

open access: yes, 2011
The autonomic nervous system (ANS) reacts to nociceptive stimulation during sleep, but whether this reaction is contingent to cortical arousal, and whether one of the autonomic arms (sympathetic/parasympathetic) predominates over the other remains ...
Baharav   +57 more
core   +1 more source

Influence of food restriction on lipid profile and spontaneous glucose levels in male rats subjected to paradoxical sleep deprivation

open access: yesClinics, 2012
OBJECTIVES: The purpose of this study was to determine the paired consequences of food restriction and paradoxical sleep deprivation on lipid profile and spontaneous glucose levels in male rats. METHOD: Food restriction began at weaning, with 6 g of food
Tathiana Aparecida Alvarenga   +3 more
doaj   +1 more source

Differential Effects of Psychological and Physical Stress on the Sleep Pattern in Rats [PDF]

open access: yes, 2007
In the present study, we investigated the acute effects of 2 different kinds of stress, namely physical stress (foot shock) and psychological stress (non-foot shock) induced by the communication box method, on the sleep patterns of rats.
Araki, Hiroaki   +3 more
core   +1 more source

Alterations of medial prefrontal cortex bioelectrical activity in experimental model of isoprenaline-induced myocardial infarction [PDF]

open access: yes, 2020
Background Clinical and animal studies have found that anxiety and depression are significantly more common after acute myocardial infarction (AMI).
Hrnčić, Dragan   +7 more
core   +1 more source

Effects of paradoxical sleep deprivation on behavioral reactions and ultrastructure of the brain neurons in rats

open access: yesАнналы клинической и экспериментальной неврологии, 2017
The aim of this work was morpho-functional analysis of theeffect of paradoxical sleep deprivation of different duration onultrastructure of the brain neurons, as well as on rearing, grooming,sexual activity and food and water consumption.
B. M. Abushov
doaj   +1 more source

Medication overuse headache, addiction and personality pathology: a controlled study by SWAP-200 [PDF]

open access: yes, 2019
Background: Medication Overuse Headache (MOH) is a type of chronic headache, whose mechanisms are still unknown. Some empirical investigations examining the addiction-like behaviors and processes, as well as personality characteristics underlying MOH ...
Cristofalo, Patrizia   +8 more
core   +1 more source

Living absence:the strange geographies of missing people [PDF]

open access: yes, 2015
In this paper ‘missing people’ gain an unstable presence through their (restaged) testimonies recounting individual occupations of material urban public space during the lived practice of absence.
Fyfe, Nicholas R.   +3 more
core   +7 more sources

Mood, Personality, and Behavior Changes During Treatment with Statins: A Case Series. [PDF]

open access: yes, 2015
Psychiatric adverse drug reactions (ADRs) have been reported with statin use, but the literature regarding statin-associated mood/behavioral changes remains limited.
Cham, Stephanie   +2 more
core   +1 more source

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