نتایج جستجو برای: tle شیفت فرکانس داپلر
تعداد نتایج: 12156 فیلتر نتایج به سال:
Hilar ectopic dentate granule cells (DGCs) are a salient feature of aberrant plasticity in human temporal lobe epilepsy (TLE) and most rodent models of the disease. Recent evidence from rodent TLE models suggests that hilar ectopic DGCs contribute to hyperexcitability within the epileptic hippocampal network. Here we investigate the intrinsic excitability of DGCs from humans with TLE and the ra...
Temporal lobe epilepsies (TLE) represent the majority of the partial symptomatic/cryptogenic epilepsies. Excellent results of epilepsy surgery in well-selected patients have encouraged a search for localizing and lateralizing signs that could assist in the identification of the best surgical candidates. Seizure types in TLE include simple partial, complex partial and secondarily generalized sei...
مخابرات بیسیم زیر آب از چالش برانگیزترین زمینه های مخابراتی است. کانالهای زیرآبی دارای تاخیر انتشار بسیار زیاد، تضعیف شدید با خاصیت فرکانس گزینی محوشونده و تابع توزیع غالبا غیر گوسی، چندمسیری شدید، شیفت داپلر بزرگ در اثر حرکت و تغییر پذیری شدید با زمان هستند. با این حال مخابرات بیسیم زیرآبی و شبکه های زیر آبی از موارد مورد توجه و رو به رشد در زمینه های نظامی و تجاری است. در این زمینه برای مقا...
Lateralization of temporal lobe epilepsy (TLE) is critical for successful outcome of surgery to relieve seizures. TLE affects brain regions beyond the temporal lobes and has been associated with aberrant brain networks, based on evidence from functional magnetic resonance imaging. We present here a machine learning-based method for determining the laterality of TLE, using features extracted fro...
Background Partial epilepsy represents almost 70% of the epileptic syndrome. It is characterized by partial seizures that arise from the restricted area of the cerebral cortex. Temporal lobe epilepsy (TLE) is the most frequent form of cryptogenic partial epilepsies [1]. The mesial temporal sclerosis is the pathologic abnormality most frequently detected in post mortem studies of subjects with T...
The frequency of psychiatric disorders (PD) in a homogeneous series of patients with temporal lobe epilepsy with mesial temporal sclerosis (TLE-MTS) compared to patients with juvenile myoclonic epilepsy (JME) was evaluated, aiming to determine the frequency of PD and possible differences in psychiatric diagnoses between these two epileptic syndromes. Data from 248 patients with refractory TLE-M...
Temporal lobe epilepsy (TLE) is a neurological condition associated with neuron loss, axon sprouting, and hippocampal sclerosis, which results in modified synaptic circuitry. Cannabinoids appear to be anti-convulsive in patients and animal models of TLE, but the mechanisms of this effect are not known. A pilocarpine-induced status epilepticus mouse model of TLE was used to study the effect of c...
Severe neuronal loss in the hippocampus, that is, hippocampal sclerosis (HS), can be seen in 3 main clinical contexts: dementia (particularly frontotemporal lobar degeneration [FTLD]), temporal lobe epilepsy (TLE), and hippocampal ischemic injury (H-I). It has been suggested that shared pathogenetic mechanisms may underlie selective vulnerability of the hippocampal subfields such as the CA1 in ...
Alzheimer's disease (AD) and epilepsy are separated in the medical community, but seizures occur in some patients with AD, and AD is a risk factor for epilepsy. Furthermore, memory impairment is common in patients with epilepsy. The relationship between AD and epilepsy remains an important question because ideas for therapeutic approaches could be shared between AD and epilepsy research laborat...
BACKGROUND Dorsoventral patterning of the developing spinal cord is important for the correct generation of spinal neuronal types. This process relies in part on cross-repressive interactions between specific transcription factors whose expression is regulated by Sonic hedgehog. Groucho/transducin-like Enhancer of split (TLE) proteins are transcriptional corepressors suggested to be recruited b...
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