نتایج جستجو برای: سیگنال eeg

تعداد نتایج: 38341  

مهوری, جعفر,

میگرن در کودکان به دلیل عدم توانایی در بیان دقیق شرح حال، ممکن است مشکلات متعددی در تشخیص ایجاد کند. لذا تشخیص میگرن در اطفال اهمیت زیادی دارد. بسیاری از این کودکان با علائم متنوع ممکن است تحت روش های تشخیصی پرخطر و حتی جراحی قرار گیرند. این تحقیق جهت بررسی نقش الکتروانسفالوگرافی در تشخیص بموقع میگرن در کودکان بین 5 تا 15 ساله برای جلوگیری از حوادث فوق صورت گرفته است. از بین کودکان مبتلا به سرد...

Journal: :iranian journal of child neurology 0
mahmoud reza ashrafi professor of pediatric neurology, pediatrics centre of excellence, department of pediatric neurology, children’s medical centre, tehran university of medical sciences, tehran, iran reza azizi malamiri assistant professor of pediatric neurology, department of pediatric neurology, golestan medical, educational, and research centre, ahwaz jundishapur university of medical sciences, ahwaz, iran gholam reza zamani associate professor of pediatric neurology, pediatrics centre of excellence, department of pediatric neurology, children’s medical centre, tehran university of medical sciences, tehran, iran mahmoud mohammadi professor of pediatric neurology, pediatrics centre of excellence, department of pediatric neurology, children’s medical centre, tehran university of medical sciences, tehran, iran firozeh hosseini assistant professor of pediatric neurology, department of pediatric neurology, besat hospital, hamadan university university of medical sciences, hamadan, iran

how to cite this article: ashrafimr, azizi malamiri r, zamani gr, mohammadi m, hosseini f. sleep inducing for eeg recording in children: a comparison between oral midazolam and chloral hydrate. iran j child neurol. 2013 winter;7(1):15-19. objective electroencephalography (eeg) recording is a long duration procedure that needs patient’s cooperation for device setup and performing the procedure. ...

ژورنال: :مجله دانشگاه علوم پزشکی مازندران 0
ساناز صالحپور sanaz salehpour عباس مسعودزاده abbas masoodzadeh علیرضا خلیلیان ali reza khalilian جواد ستاره javad setareh

سابقه و هدف: امروزه از eeg به عنوان یک ابزار پیش بینی کننده پاسخ به درمان دارویی در برخی از بیماری های روان پزشکی از جمله اسکیزوفرنی استفاده می شود. هدف از این مطالعه تعیین شاخص های eeg به عنوان عامل پیشگویی کننده پاسخ درمانی به کلوزاپین در بیماران مبتلا به اسکیزوفرنی مقاوم به درمان است. مواد و روش ها: در یک مطالعه مقطعی، 70 بیمار مبتلا به اسکیزوفرنی مقاوم به درمان که کاندید دریافت کلوزاپین بود...

افشارخاص, لادن, کلباسی, زهره,

Background: Febrile seizures (FS) occur in 5% of children with 6 to 60 months ages. Many investigations are being performed, one of them is EEG. This study was done to determine EEG in recurrent simple and complex febrile seizures. Methods: In this descriptive, cross sectional study, we evaluated 86 patients with recurrent and complex febrile seizure admitted to neurology ward in Ali-Asghar ...

Journal: :journal of advanced medical sciences and applied technologies 0
esmaeil seraj department of computer science and engineering and information technology, school of electrical and computer engineering, shiraz university

within the neuroscience and computational neuroscience communities, applications such as evaluating different cognitive responses of the brain, brain-computer interface (bci) systems and brain connectivity studies have increasingly been using eeg phase information during the past few decades. the utility of eeg phase can be directly linked to the neural propagation and synchronized firing of ne...

Journal: :trauma monthly 0
alexander taghva center for neurorestoration, university of southern california, los angeles, usa; orange county neurosurgical associates, mission viejo, usa; orange county neurosurgical associates, mission viejo, usa. tel: +1-9493887190 robert silvetz newport brain research laboratory, newport beach, usa alex ring center for neurorestoration, university of southern california, los angeles, usa; newport brain research laboratory, newport beach, usa keun-young a. kim orange county neurosurgical associates, mission viejo, usa kevin t. murphy department of radiation oncology, university of california, san diego, la jolla, usa charles y. liu center for neurorestoration, university of southern california, los angeles, usa; department of neurosurgery, university of southern california, los angeles, usa

conclusions these open-label data show trends toward normalization of eeg and concomitant clinical improvement using magnetic stimulation for ptsd. results of the 21 patients who initiated therapy, 16 completed treatment. clinical improvements on the pcl-m were seen in these 16 patients, with an average pre-treatment score of 54.9 and post-treatment score of 31.8 (p < 0.001). in addition, relat...

Journal: :iranian journal of psychiatry and behavioral sciences 0
, atefeh goshvarpour department of biomedical engineering, islamic azad university, mashhad branch, iran.

objective: electroencephalogram is a reliable reflection of many physiological factors modulating the brain. the bispectrum is very useful for analyzing non-gaussian signals such as eeg, and detecting the quadratic phase coupling between distinct frequency components in eeg signals.the main aim of this study was to test the existence of nonlinear phase coupling within the eeg signals in a certa...

Amit Kumar Ray, Rakesh Kumar Sinha,

Continuous four hours EEG (electroencephalogram) recordings and its power spectrum analysis using fast fourier transform (FFT) in urethane anesthetized male Charles Foster rats were performed in two groups: open brain injury and p-CPA (para-Chlorophenylalanine) pretreated before brain injury, respectively, and compared with the EEG power spectrum of control rats. The EEG power spectrum analysis...

Journal: :iranian journal of child neurology 0
ali akbar asadi-pooya md,associate professor of epileptology, neurosciences research center, shiraz university of medical sciences, shiraz, iran &amp; department of neurology, thomas jefferson university, philadelphia, usa mehrdad emami general physician, shiraz university of medical sciences, shiraz, iran

how to cite this article: asadi-pooya aa, emami m. effects of antiepileptic drugs on electroencephalographic findings inpatients with idiopathic generalized epilepsy. iranian journal of child neurology 2011;5(4):33-36. objective several antiepileptic drugs (aeds) such as phenobarbital (pb), carbamazepine (cbz), and valproate (vpa) may suppress interictal epileptiform activity. we investigated t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق و کامپیوتر 1390

در این پایان نامه سعی بر آن بوده است تا عملکرد سیستم های فازی را در طبقه بندی چهار نوع تفکر حرکت در سیگنال eeg بررسی نماییم. با توجه به اینکه تفکرات، احساسات و حتی حالات روحی مختلف یک شخص به راحتی بر روی سیگنال مغزی او اثر می گذارد نیاز به طبقه بندی کننده ای که بتوان به کمک آن عدم قطعیت و ابهام در سیگنال مغزی را مدل کند دور از ذهن نخواهد بود. داده های مورد استفاده از چهارمین مسابقه جهانی bci ان...

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