Axial diffusivity (AD)
Abnormal Axial Diffusivity in the Deep Gray Nuclei and Dorsal Brain Stem in Infantile Spasm Treated with Vigabatrin
... ⫽ axial diffusivity; D ⬜ ⫽ radial diffusivity; DB ⫽ dorsal brain stem; DTI ⫽ diffusion tensor imaging; FA ⫽ fractional anisotropy; GABA ⫽ ␥ -aminobutyric acid; GP ⫽ globi pallidi; ICC ⫽ intraclass ...
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Axonal chronic injury in treatment-naïve HIV+ adults with asymptomatic neurocognitive impairment and its relationship with clinical variables and cognitive status
... mean diffusivity (MD), axial diffusivity (AD), and radial diffusivity ...reflect diffusivity par- allel to the WM tract, and RD represents diffusion per- pendicular to the tract ...
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Glial activation colocalizes with structural abnormalities in amyotrophic lateral sclerosis
... 5 axial diffusivity; ALS 5 amyotrophic lateral sclerosis; ALSFRS-R 5 ALS Functional Rating Scale–Revised; CST 5 corticospinal tract; DTI 5 diffusion tensor imaging; FA 5 fractional anisotropy; FDR 5 false ...
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Developmental hypomyelination in Wolfram syndrome: new insights from neuroimaging and gene expression analyses
... AD: Axial diffusivity; ALIC: Anterior limb of internal capsule; AR: Acoustic radiation; ATF6: Activating transcription factor 6; BiNGO: Biological network gene ontology tool; Ca 2+ : Calcium; CC: Corpus ...
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Whole Brain Diffusion Tensor Imaging in Correlation to Visual Evoked Potentials in Multiple Sclerosis: A Tract Based Spatial Statistics Analysis
... Recently, mean diffusivity was further analyzed and divided into radial diffusivity RD and axial diffusivity AD, parameters that allow a more specific approach to the underlying microstr[r] ...
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Abnormal auditory and language pathways in children with 16p11.2 deletion
... mean diffusivity (MD), axial diffusivity (AD), and radial diffusivity (RD) were made within the 3D region encompassed by the arcuate fasciculus and auditory radiation ...Radial ...
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Diffusional kurtosis imaging of the corpus callosum in autism
... Additional file 1: Figure S1. Traditional diffusion metrics for TD and ASD group (fractional anisotropy, FA; axial diffusivity, AD; radial diffusivity, RD). No significant group difference was found ...
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CXCR7 antagonism prevents axonal injury during experimental autoimmune encephalomyelitis as revealed by in vivoaxial diffusivity
... axons. Axial diffusivity measurements of injured spinal cord VLWM in mice treated with CXCR7 antagonist were undistinguishable from those of naïve mice, which were both significantly different from vehicle- ...
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Axial and Radial Diffusivity in Preterm Infants Who Have Diffuse White Matter Changes on Magnetic Resonance Imaging at Term-Equivalent Age
... elevated axial and radial diffusion in the central WM of the centrum semiovale, the frontal WM, the posterior periventricular WM, and the occipital WM compared with term control infants and preterm infants with ...
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White matter disintegration in cluster headache
... In the current investigation, we found white matter micro- structural alterations in cluster headache measuring dif- fusion in the brain with high angular resolution. The changes were widespread in the white matter but ...
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Diffusion kurtosis imaging allows the early detection and longitudinal follow-up of amyloid-β-induced pathology
... of axial diffusivity, radial diffu- sivity (RD), mean diffusivity (MD) and fractional anisotropy (FA) were computed from the diffusion ten- sor, and further refered to as diffusion tensor (DT) met- ...
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Cerebral Diffusion Tensor MR Tractography in Tuberous Sclerosis Complex: Correlation with Neurologic Severity and Tract Based Spatial Statistical Analysis
... target, particularly in a study containing mostly children. The target image was then affine-aligned into Montreal Neurological Institute 152 space, and every image was transformed into 1 ⫻ 1 ⫻ 1 mm Montreal Neurological ...
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White Matter Alterations in the Brains of Patients with Active, Remitted, and Cured Cushing Syndrome: A DTI Study
... mean diffusivity, axial diffusivity, and radial diffusivity values; P ⬍ ...mean diffusivity and radial diffusivity values, compared with ...
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Diffusion tensor imaging in the characterization of multiple system atrophy
... Materials and methods: Twenty MSA subjects, ten parkinsonian dominant (MSA-P), ten cerebellar dominant (MSA-C), and 20 healthy volunteer subjects were recruited. Fractional anisotropy, mean diffusivity, radial ...
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Connection between encounter volume and diffusivity in geophysical flows
... dispersion-based diffusivity could be expected to be larger than the encounter-volume-based ...encounter-volume-based diffusivity than dispersion-based diffusivity, in agreement with our arguments ...
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Diagnostic Performance of a 10 Minute Gadolinium Enhanced Brain MRI Protocol Compared with the Standard Clinical Protocol for Detection of Intracranial Enhancing Lesions
... T1-weighted axial and 3D MPRAGE) in the 10-minute proto- col was 3 minutes and 36 seconds compared with 7 minutes and 49 seconds for the standard postcontrast ...
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Chemical Reaction and Thermal Diffusion Effects on Mass Transfer Flow through an Inclined Plate
... Cp: Specific heat at constant pressure C: Concentration Dm: Mass diffusivity DT: Thermal diffusivity g: Local acceleration due to gravity k: Thermal conductivity T: Fluid temperature T ′[r] ...
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Negative thermal diffusivity enhancement in semiconductor nanofluids
... Thermal diffusivity is key for evaluating their thermal performance under flow conditions and in convective heat transfer-based applications, and despite this very few efforts have been made to determine ...
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The effect of microbial activity on soil water diffusivity
... where A, B, C and M are adjustable fitting parameters. We chose a logistic curve because the initial drying did not provide a linear relationship with √ t. The logistic fit enabled us to identify this condition, which ...
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On the solution of reaction diffusion equations with double diffusivity
... In this paper, solution of a pair of Coupled Partial Differential equations is derived.. These equations arise in the solution of problems of flow of homogeneous liquids in fissured rock[r] ...
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