نتایج جستجو برای: tle شیفت فرکانس داپلر
تعداد نتایج: 12156 فیلتر نتایج به سال:
Commentary A recent prior issue of Epilepsy Currents included two commentaries on studies of network activation in temporal and frontal lobe epilepsies and the association of network changes with cognitive deficits (1, 2). Both reviews emphasize the lack of evidence for the cause of the identified network abnormalities. The recent paper by Coan et al. from the Neuroimaging Laboratory at the Sta...
Depression in patients with temporal lobe epilepsy (TLE) is highly prevalent and carries significant morbidity and mortality. Its neural basis is poorly understood. We used quantitative, surface-based MRI analysis to correlate brain morphometry with severity of depressive symptoms in 38 patients with TLE and 45 controls. Increasing severity of depressive symptoms was associated with orbitofront...
Temporal lobe epilepsy (TLE) is the most common form of medically intractable epilepsy. Advances in electrophysiology and neuroimaging have led to a more precise localization of the epileptogenic zone within the temporal lobe. Resective surgery is the most effective treatment for TLE. Despite the variability in surgical techniques and in the extent of resection, the overall outcomes of differen...
Obsessive-compulsive disorder (OCD) has long been associated with epilepsy The link with temporal lobe (usually refractory) epilepsy (TLE) is particularly prominent Of TLE patients, 10% to 22% of patients may have OCD, often underdiagnosed in the outpatient clinic. Data on the links include case reports, case series, and controlled studies. Three larger, controlled studies in TLE patients, usin...
We systematically reviewed the literature to describe the "natural" history of medically treated temporal lobe epilepsy (TLE). No population-based studies recruiting incident cases of TLE irrespective of age exist. Prospective, population-based studies were limited to those recruiting only childhood-onset TLE or those reporting TLE as a subgroup of cohorts of focal epilepsies. Few studies have ...
Patients with refractory temporal lobe epilepsy (TLE) are commonly recruited for investigational anti-epileptic drug (XAED) studies. However, the long-term outcome of TLE after exposure to XAEDs is poorly documented. In this pilot study, we report the USC Epilepsy Center's experience of 19 patients with TLE enrolled in three XAED trials. The data reinforce that TLE is a drug-resistant epilepsy,...
Temporal lobe epilepsy (TLE) can impair interictal cognitive function. In the perceptual domain, previous psychophysical studies demonstrated specific deficits in auditory and tactile perception in patients with TLE. This study compared performance of 25 TLE subjects and 27 controls on two low-level, visual tasks: luminance discrimination and frequency discrimination. Both tasks were performed ...
Although temporal lobe epilepsy (TLE) is traditionally associated with both hypersynchronous activity in the form of interictal epileptic discharges and hippocampal sclerosis, recent findings suggest that desynchronization also plays a central role in the dynamics of this pathology. The objective of this work is to show the imbalance existing between mesial activities in patients suffering from...
چکیده اولتراسونوگرافی داپلر میتواند اطلاعات مهمی در باره مشکلات عروقی بدن از طریق آنالیز موج جریان خون فراهم کند. هدف این تحقیق بدست آوردن تصاویر طبیعی داپلر رنگی و محاسبه پارامترهای مرتبط با داپلر طیفی در سرخرگ رانی خرگوشهای سالم میباشد. بدین منظور اولتراسونوگرافی داپلر رنگی و طیفی از سرخرگ رانی 8 خرگوش سفید نیوزلندی سالم در قسمت میانی اندام حرکتی خلفی راست و چپ انجام شد. پس از ارزیابی ت...
Functional connectivity MRI (fcMRI) is an fMRI method that examines the connectivity of different brain areas based on the correlation of BOLD signal fluctuations over time. Temporal Lobe Epilepsy (TLE) is the most common type of adult epilepsy and involves multiple brain networks. The default mode network (DMN) is involved in conscious, resting state cognition and is thought to be affected in ...
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