نتایج جستجو برای: مدل fcd

تعداد نتایج: 120480  

Journal: :Brain : a journal of neurology 2004
M D'Antuono J Louvel R Köhling D Mattia A Bernasconi A Olivier B Turak A Devaux R Pumain M Avoli

Patients with Taylor's type focal cortical dysplasia (FCD) present with seizures that are often medically intractable. Here, we attempted to identify the cellular and pharmacological mechanisms responsible for this epileptogenic state by using field potential and K+-selective recordings in neocortical slices obtained from epileptic patients with FCD and, for purposes of comparison, with mesial ...

2016
Albert C. Yang Shih-Jen Tsai Mu-En Liu Chu-Chung Huang Ching-Po Lin

Normal aging is associated with reduced cerebral structural integrity and altered functional brain activity, yet the association of aging with the relationship between structural and functional brain changes remains unclear. Using combined diffusion tensor imaging (DTI) and functional magnetic resonance imaging (fMRI) modalities, we hypothesized that aging-related changes in white matter integr...

ژورنال: :سنجش از دور و سامانه اطلاعات جغرافیایی در منابع طبیعی 0
ابوطالب شاهولی کوه شور دانشجوی کارشناسی ارشد جنگلداری، دانشکده منابع طبیعی، دانشگاه کردستان مهتاب پیرباوقار استادیار دانشکده منابع طبیعی، دانشگاه کردستان پرویز فاتحی دانشجوی دکتری سنجش از دور‏، دانشکده جغرافیا‏، دانشگاه زوریخ

هدف اصلی این تحقیق، استفاده از روش تراکم تاج­پوشش جنگل (fcd) در تهیه نقشه تراکم تاج­ پوشش جنگل­های زاگرس با استفاده از داده­های ماهواره لندست 7 است. منطقه مورد مطالعه بخشی از جنگل­های شهرستان مریوان واقع در استان کردستان است. تصحیح هندسی داده­ها با خطای rmse کمتر از یک پیکسل صورت گرفت. برای اجرای این روش، پردازش­های اولیه مانند نرمال­سازی دامنه داده­ها برروی 5 باند اول صورت گرفت و چهارشاخص اصلی...

Journal: :NeuroImage 2006
O Colliot T Mansi N Bernasconi V Naessens D Klironomos A Bernasconi

Focal cortical dysplasia (FCD) is the most frequent malformation of cortical development in patients with medically intractable epilepsy. On MRI, FCD lesions are not easily differentiable from the normal cortex and defining their spatial extent is challenging. In this paper, we introduce a method to segment FCD lesions on T1-weighted MRI. It relies on two successive three-dimensional deformable...

2016
Lawrence S. Hsieh John H. Wen Kumiko Claycomb Yuegao Huang Felicia A. Harrsch Janice R. Naegele Fahmeed Hyder Gordon F. Buchanan Angelique Bordey

Focal cortical dysplasia (FCD), a local malformation of cortical development, is the most common cause of pharmacoresistant epilepsy associated with life-long neurocognitive impairments. It remains unclear whether neuronal misplacement is required for seizure activity. Here we show that dyslamination and white matter heterotopia are not necessary for seizure generation in a murine model of type...

2013
Razvan Stanica Francesco Malandrino

During a century of existence, vehicles transformed from mechanical master pieces into consumer products with more and more computing power and sensing capabilities. Current vehicles include tens or even hundreds of Electronic Control Units (ECUs) that gather important amounts of information from the embedded sensors, and use this information to control different parts of the vehicles or to pro...

2016
Jae Seok Lim Jeong Ho Lee

Focal cortical dysplasia type II (FCDII) is a focal malformation of the developing cerebral cortex and the major cause of intractable epilepsy. However, since the molecular genetic etiology of FCD has remained enigmatic, the effective therapeutic target for this condition has remained poorly understood. Our recent study on FCD utilizing various deep sequencing platforms identified somatic mutat...

Journal: :Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2008
Pierre Besson Neda Bernasconi Olivier Colliot Alan C. Evans Andrea Bernasconi

Focal cortical dysplasia (FCD), a malformation of cortical development, is an important cause of pharmacoresistant epilepsy. Small FCD lesions are difficult to distinguish from normal cortex and remain often overlooked on radiological MRI inspection. This paper presents a method to detect small FCD lesions on T1-MRI relying on surface-based features that model their textural and morphometric ch...

2013
Chun Liu Nan Li Meixian Huang Hangbin Wu

After introducing the principle of float car data (FCD), this paper gives the primary flow of pre-handing and mapmatching of the FCD. After analyzing the percentage of coverage of FCD on the road network, large quantity of heritage database of routing status is used to estimate the routing velocity when lack of FCD on parts road segments. Multi liner regression model is then put forwarded by co...

Journal: :Epilepsy & behavior : E&B 2015
Bilal Ahmed Carla E Brodley Karen E Blackmon Ruben Kuzniecky Gilad Barash Chad Carlson Brian T Quinn Werner Doyle Jacqueline French Orrin Devinsky Thomas Thesen

Focal cortical dysplasia (FCD) is the most common cause of pediatric epilepsy and the third most common lesion in adults with treatment-resistant epilepsy. Advances in MRI have revolutionized the diagnosis of FCD, resulting in higher success rates for resective epilepsy surgery. However, many patients with histologically confirmed FCD have normal presurgical MRI studies ('MRI-negative'), making...

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