نتایج جستجو برای: epileptic seizure
تعداد نتایج: 30372 فیلتر نتایج به سال:
OBJECTIVE To evaluate the suppressive effect of electric cortical stimulation upon the seizure onset zone and the non-epileptic cortex covered by subdural electrodes in patients with neocortical epilepsy and mesial temporal lobe epilepsy (MTLE). METHODS Four patients with medically intractable focal epilepsy had implanted subdural electrodes for preoperative evaluation. Cortical functional ma...
PURPOSE A definite diagnosis of psychogenic nonepileptic seizures (PNES) usually requires in-patient video-electroencephalography (EEG) monitoring. Previous research has shown that convulsive psychogenic nonepileptic seizures (PNES) demonstrate a characteristic pattern of rhythmic movement artifact on the EEG. Herein we sought to examine the potential for time-frequency mapping of data from a m...
Drug-resistant, multifocal, non-resectable epilepsies are among the most difficult epileptic disorders to manage. An approach to control previously uncontrollable seizures in epilepsy patients would consist of identifying seizure precursors in critical brain areas combined with delivering a counteracting influence to prevent seizure generation. Predictability of seizures with acceptable levels ...
Epileptic negative myoclonus is an uncommon seizure type characterized by a sudden, brief loss of muscle tone that may lead to falling. It has been associated largely with benign childhood epilepsy with centrotemporal spikes (rolandic epilepsy), although it may also be a feature of other epileptic syndromes. In patients with rolandic epilepsy, epileptic negative myoclonus usually appears during...
A statistical method for finding the optimal preictal period to be used in epileptic seizure prediction algorithms is presented. As supervised machine learning methods need labeled training samples, the adequate selection of preictal period plays a key role in the training of an efficient classifier employed in seizure prediction. The proposed method uses amplitude distribution histograms of a ...
Diagnosing psychogenic non-epileptic seizures (PNES) is a clinical challenge. There is neither a standard in diagnosing PNES nor a comprehensive theoretical framework for this type of seizure. The diagnosis of PNES must be made by excluding epilepsy. However, epilepsy cannot always be determined and PNES and epileptic seizures may coexist. In this study, the characteristics of PNES and patients...
OBJECTIVE To determine the clinical characteristics, management and outcomes of patients taken to hospital by emergency ambulance after a suspected seizure. DESIGN Quantitative cross-sectional retrospective study of a consecutive series of patients. SETTING An acute hospital trust in a large city in England. PARTICIPANTS In 2012-2013, the regions' ambulance service managed 605 481 emergen...
Although focal brain cooling has distinct power on suppressing epileptic seizures, the technological and physiological feasibility for therapeutic application still remains unknown. This paper addressed the issue of technical feasibility though the development of an implantable, thermoelectricallydriven cooling device. Chronic application of the device on the seizure focus in rats significantly...
Exposure of the brain to a stressful stimulus that is sub-threshold for permanent injury can temporarily protect against cell death during a subsequent and otherwise damaging insult. One or more brief, non-harmful seizure episode(s) (seizure preconditioning) can dramatically reduce hippocampal damage when given prior to status epilepticus (epileptic tolerance). We recently reported that status ...
This article outlines the consensus proposal on diagnosis of epilepsy in dogs by the International Veterinary Epilepsy Task Force. The aim of this consensus proposal is to improve consistency in the diagnosis of epilepsy in the clinical and research settings. The diagnostic approach to the patient presenting with a history of suspected epileptic seizures incorporates two fundamental steps: to e...
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