نتایج جستجو برای: مدل fcd
تعداد نتایج: 120480 فیلتر نتایج به سال:
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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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