نتایج جستجو برای: absence
تعداد نتایج: 228892 فیلتر نتایج به سال:
introduction: seizures are symptoms associated with abnormal electrical activity in electroencephalogram (eeg). the present study was designed to determine the effect of absence seizure on heart rate (hr) changes in electrocardiogram (ecg). methods: hr alterations were recorded simultaneous with spike and wave discharges (swd) by eeg in 6 wag/rij rats as a well characterized and validated genet...
―Absence of evidence isn’t evidence of absence‖ is a slogan that is popular among scientists and nonscientists alike. This paper assesses its truth by using a probabilistic tool, the Law of Likelihood. Qualitative questions (―Is E evidence about H?‖) and quantitative questions (―How much evidence does E provide about H?‖) are both considered. The paper discusses the example of fossil intermedia...
Introduction: The most important setting for teaching, specifically for difficult scientific topics, is classroom. Due to the uncertain results of previous investigations which are limited in number too, this study was implemented to compare attitude toward attendance in sessions and grades of associated courses for students with or without absence. Methods: In this descriptive longitudinal st...
Background: Sickness absence is a major socio-economic problem imposing a huge amount of cost to societies.This issue has been widely concerned over the last few years. Absence from work entails complex conditions and multifactorial etiology. According to previous studies, there are various occupational and personal factors contributing to the incidence of sickness absence. Long-term sickness ...
RATIONALE Dense array EEG (dEEG) evenly covers the whole head surface with over 100 channels contributing to more accurate electrical source imaging due to the higher spatial and temporal resolution. Several studies have shown the clinical utility of dEEG in presurgical clinical evaluation of epilepsy. However validation studies measuring the accuracy of dEEG source imaging are still needed. Th...
The purpose of this study was to investigate the informative value of single photon emission tomography (SPECT) in relation to the pathophysiological functioning of the brain during absence seizures and the origin of ictal discharges in idiopathic generalized epilepsies (IGEs). Six patients with childhood absence epilepsy (CAE) were selected for the study and two consecutive SPECT sessions were...
It is well established that impaired GABAergic inhibition within neuronal networks can lead to hypersynchronous firing patterns that are the typical cellular hallmark of convulsive epileptic seizures. However, recent findings have highlighted that a pathological enhancement of GABAergic signalling within thalamocortical circuits is a necessary and sufficient condition for nonconvulsive typical ...
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