Increased fractional anisotropy
WebAs a highly sensitive but nonspecific summary measure of WM microstructure derived from DTI, fractional anisotropy (FA) ... Liu et al 40 reported that increased fractional amplitude of low-frequency fluctuation values in the ventral anterior cingulate cortex (ACC) were associated with the severity of anxiety of both anxious depression and ... WebApr 13, 2012 · Fractional anisotropy was increased for mild TBI subjects in varying degrees of magnitude for 32/37 remaining tracts, resulting in a significant signed test (P = 0.001). Sample means, standard deviations, effect sizes, uncorrected P -values and number of patients/controls with significant clusters of high anisotropy are presented for all 48 ...
Increased fractional anisotropy
Did you know?
WebWe observed increased FA, decreased RD, and expanded volume in several other brain regions in individuals with PD compared to controls, which is in line with several previous studies (Jia et al., 2015; Taylor et al., 2024). It has been reported that increased fractional anisotropy is a characteristic of de novo PD patients (Taylor et al., 2024 ... WebJul 1, 2024 · Cortical microstructural abnormalities are associated with clinical and cognitive deterioration in multiple sclerosis. Using diffusion tensor MRI, a higher fractional anisotropy has been found in cortical lesions versus normal-appearing cortex in multiple sclerosis. The pathological substrates of this finding have yet to be definitively elucidated.
WebImaging markers are yet to be developed. Lee et al. (2014) found decreased volume and microstructural organization of the corpus callosum were associated with increased NIH NPC severity scores (NNSS) . Cerebellar volume and fractional anisotropy (FA) have been shown to be significantly decreased in adult NPC patients [9,10]. WebFractional Anisotropy. Fractional anisotropy (FA) indicates the orientation of diffusion and is high along well-defined pathways such as the corpus callosum, pyramidal tracts, and …
WebBACKGROUND AND PURPOSE: Fractional anisotropy (FA) is a useful measure of connectivity in the brain that can be derived from the diffusion tensor imaging (DTI) … WebMar 11, 2013 · Schizophrenia is a common, severe, and chronically disabling mental illness of unknown cause. Recent MRI studies have focused attention on white matter …
WebSep 1, 2024 · BACKGROUND AND PURPOSE: Anisotropy is a good indicator of white matter fascicle macrostructure and organization but the interpretation of its changes with age remains difficult. The increase of WM fascicle fractional anisotropy with time and its relationship with WM fascicle volume have never been examined during childhood. We …
WebAug 1, 2024 · We hypothesised that music-cued, left-handed motor training would increase fractional anisotropy (FA) in the contralateral arcuate fasciculus, a fibre tract connecting … diagnosis of benign ethnic neutropeniaWebJan 15, 2016 · • Fractional anisotropy was higher in motor pathways of PD patients compared to healthy controls. • Fractional anisotropy was lower in the uncinate … c# init static classWebNov 2, 2015 · Increase in fractional anisotropy in cerebellum was the most prominent result. A decrease in fractional anisotrophy in patients comparable with previous studies was … diagnosis of bipolar in childrenWebDec 16, 2024 · Regions of increased fractional anisotropy in ASD. Individuals with ASD diagnoses showed significantly (TFCE p < 0.05) increased measures of fractional anisotropy (FA) across eight clusters (Table 2) highlighted above. Indicated white matter tracts include regions of the corpus callosum, corona radiata, and inferior and superior longitudinal ... diagnosis of bifWebOct 10, 2012 · These findings indicate that myelination in wild-type animals increases fractional anisotropy by up to 20% and reduces radial diffusivity and mean diffusivity by ~13 and ~10%, respectively, compared to Shi mice . After transplantation of Shi animals with glial precursors, the fractional anisotropy increased by 8 to 15% in different voxels . diagnosis of bipolar disorder in childrenWebMar 11, 2013 · Insights from increased and decreased anisotropy in selective fiber tracts in schizophrenia Front Integr Neurosci . 2013 Mar ... mean diffusivity, independent of direction, (2) fractional anisotropy (FA) or relative anisotropy (RA), (3) axial diffusivity, and (4) radial diffusivity. In cerebral white matter, contributions to these indices come ... diagnosis of beta thalassemia traitWebDTI was performed on 24 patients with ADHD and 20 healthy controls. A series of neuropsychological tests and a structural interview were conducted to assess the … c# init property required