pyramidal tract
Diffusion Tensor Tractography Based Group Mapping of the Pyramidal Tract in Relapsing Remitting Multiple Sclerosis Patients
... BACKGROUND AND PURPOSE: Many studies have reported abnormal changes in relapsing-remitting multiple sclerosis (RRMS) by histogram and region-of-interest– based methods by using diffusion tenor imaging. However, there are ...
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Changes in Fiber Integrity, Diffusivity, and Metabolism of the Pyramidal Tract Adjacent to Gliomas: A Quantitative Diffusion Tensor Fiber Tracking and MR Spectroscopic Imaging Study
... the pyramidal tract adjacent to WHO grade II, III, and IV gliomas compared with the contralateral normal-appearing ...the pyramidal tract adjacent to the ...the pyramidal tract ...
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An assessment of the correlation between early postinfarction pyramidal tract Wallerian degeneration and nerve function recovery using diffusion tensor imaging.
... postinfarction pyramidal tract WD and is useful for the evaluation of postinfarction neurological ...ipsilateral pyramidal tract on DTI was decreased as early as day 3 after the onset of ...
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Detection of pyramidal tract lesions in amyotrophic lateral sclerosis with magnetization transfer measurements
... Proton density, T2 and T1 relaxation times, and apparent diffusion constant have been used as tissue parameters in MR imaging. Henkel- man et al (28) reported that anisotropy was observed in T2 and T1 values on ordinary ...
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Diffusion Tensor Imaging in Chronic Subdural Hematoma: Correlation between Clinical Signs and Fractional Anisotropy in the Pyramidal Tract
... There are certain limitations to this study. First, the patient population was small, and the power of statistical analysis was limited. In the present study, patients with bilateral CSDH were excluded because of the ...
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A case of rapid-onset dystonia-parkinsonism accompanied by pyramidal tract impairment
... The pyramidal tract impairment in the patient needs to be differentiated from hereditary spastic paraplegia ...the pyramidal tract impairment and the dystonia in our patient at first, which ...
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Molecular analysis of a variant type of familial amyloidotic polyneuropathy showing cerebellar ataxia and pyramidal tract signs
... We analyzed the structure and expression of FAP-IY TTR gene using recombinant DNA techniques and an RIA method and found that the FAP-IY patients carry the mutation responsible for the 3[r] ...
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The Clinicoanatomic Uniqueness of the Human Pyramidal Tract and Syndrome
... the pyramidal tracts, and (ii) although extrapyramidal structures are often injured as a contingency of anatomical proximity in cases of pyramidal damage, the extrapyramidal system plays no role in the ...
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Globoid Cell Leukodystrophy: Distinguishing Early Onset from Late Onset Disease Using a Brain MR Imaging Scoring Method
... disease, pyramidal tract involvement was a characteristic imaging find- ...the pyramidal tract, posterior cor- pus callosum, and parietooccipital white ...
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Case Report Amyotrophic lateral sclerosis with appearance of many skein-like inclusions in anterior horn cells
... in the lumbo-sacral region, the pyramidal tract had markedly degenerated up to the level of the subcortical white matter despite the short clinical course. This finding suggests that upper motor neurons ...
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Hepatic arginase deficiency fosters dysmyelination during postnatal CNS development
... the pyramidal tract, and the spinal cord were processed for EM analysis, as previously described ...cortex, pyramidal tract, and spinal cord regions were included; subregions were further ...
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Heim, Susanne (2007): Statistical Diffusion Tensor Imaging: From Data Quality to Fiber Tracking.. Dissertation, LMU München: Fakultät für Mathematik, Informatik und Statistik
... Visualizing and characterizing white matter fiber structure and architecture in the human pyramidal tract using diffusion tensor MRI, Magnetic Resonance Imaging 17: 1121–1133. Wang, Z., [r] ...
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Phenotype and frequency of STUB1 mutations: next-generation screenings in Caucasian ataxia and spastic paraplegia cohorts
... frequent pyramidal tract damage in STUB1 also provides an important insight into the underlying pathophysiology: mutant CHIP seems to lead to a dysfunction not only of cerebellar neurons, but also of motor ...
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A large scale simulation of the piriform cortex by a cell automaton based network model
... to pyramidal and pyramidal–pyra- midal connections, the axonal delay was calculated from ac- tion potential propagation velocities in LOT axons ...in pyramidal cell axons ...long-range ...
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An Unknown Force Awakened by A Pyramidal Structure
... a pyramidal structure on bio-sensors which are placed some distance from the ...the pyramidal structure, and it was not detected when the meditator was in the pyramidal ...the pyramidal ...
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Pyramidal Recurrent Unit for Language Modeling
... the pyramidal transform; which provides multiple paths for the gradient to the embedding layer (similar to multi-task learn- ing) and improves the flow of ...
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Ultra-Broadband Absorption with Gradient Pyramidal Metamaterials
... In summary, by employing both fundamental harmonics and high-order modes, an ultra-broadband and high-efficiency absorber has been designed through integrating four different-sized pyramidal metamaterials into a unit ...
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Design and Implementation of Pyramidal Horn Antenna
... The pyramidal horn antenna is successfully implemented and simulated using CAD-FEKO. This paper attempts a study on the radiation pattern, designing process of horn antenna. According to the design a horn is ...
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Paraboloid Structured Silicon Surface for Enhanced Light Absorption: Experimental and Simulative Investigations
... In this work, we investigated the Si texture surface as a part of paraboloid and developed a model for surface reflection of paraboloid texture surfaces. This model was used to predict the reflectance as a function of ...
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Modulation of medial prefrontal cortical activity using in vivo recordings and optogenetics
... mPFC pyramidal neurons can be distinguished from interneurons based on their broader action potential waveform (peak-to-valley >500 μs) and lower baseline discharge rate (<10 Hz) as described before ...
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