Results 151 to 160 of about 97,220 (199)

Free water-corrected fractional anisotropy of the fornix and parahippocampal cingulum predicts longitudinal memory change in cognitively healthy older adults. [PDF]

Neurobiol Aging
Hou M, Bergamino M, de Chastelaine M, Sambamoorthy S, Rugg MD.   +4 more
europepmc   +1 more source

Outcome Prediction by Combining Corticospinal Tract Lesion Load with Diffusion-tensor Fractional Anisotropy in Patients after Hemorrhagic Stroke. [PDF]

Prog Rehabil Med
Koyama T, Mochizuki M, Uchiyama Y, Domen K.   +3 more
europepmc   +1 more source

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White matter fractional anisotropy and outcome in schizophrenia

Schizophrenia Research, 2006
Disparate white matter fractional anisotropy (FA) findings have been reported in patients with schizophrenia in recent years. This may in part reflect heterogeneity of subjects in the studies, including differences in outcome and severity of the illness.
Serge A Mitelman, Erin A Hazlett, Monte S Buchsbaum   +2 more
exaly   +3 more sources

Beyond Fractional Anisotropy: A Comparative Study of Myelin Water Fraction and Propagator Anisotropy in the Bonnet Macaque Brain

ISMRM Annual Meeting, 2023
White matter (WM) is commonly studied using the Diffusion Tensor Imaging (DTI) metric Fractional Anisotropy (FA), which has limitations especially in regions where more than one fiber population exists. We compared FA to diffusion techniques (Mean Apparent Propagator (MAP-MRI)) and relaxometry techniques (Myelin Water Fraction (MWF) and Bound Pool ...
Laurel Dieckhaus, Courtney Comrie, Kelsey McDermott, Daniel Gray, Carol Barnes, Elizabeth Hutchinson   +5 more
openaire   +1 more source

Fractional Anisotropy Correlates with Overall Survival in Glioblastoma

World Neurosurgery, 2016
Glioblastoma (GB) is an infiltrative disease that results in microstructural damage on a cellular level. Fractional anisotropy (FA) is an important estimate of diffusion tensor imaging (DTI) that can be used to assess microstructural integrity. The aim of this study was to examine the correlation between FA values and overall survival (OS) in patients ...
Thomas Huber, Stefanie Bette, Benedikt Wiestler, Jens Gempt, Julia Gerhardt, Claire Delbridge, Melanie Barz, Bernhard Meyer, Claus Zimmer, Jan S. Kirschke   +9 more
openaire   +2 more sources

Fractional anisotropy-based divisions of midsagittal corpus callosum

NeuroReport, 2005
The authors first divided the midsagittal corpus callosum of 22 healthy volunteers using three different subdivision methods: Witelson's geometric subdivision, boundary model-based subdivision, and medial model-based subdivision. Next, subdivisions of the corpus callosum were clustered on the basis of homogeneity of the fractional anisotropy values as ...
Jungsu S, Oh, Kwang, Suk Park, In, Chan Song, Seog, Ju Kim, Jaeuk, Hwang, Ain, Chung, In, Kyoon Lyoo   +6 more
openaire   +2 more sources

Fractional anisotropy to quantify cervical spondylotic myelopathy severity

Journal of Neurosurgical Sciences, 2018
A number of clinical tools exist for measuring the severity of cervical spondylotic myelopathy (CSM). Several studies have recently described the use of non-invasive imaging biomarkers to assess severity of disease. These imaging markers may provide an additional tool to measure disease progression and represent a surrogate marker of response to ...
Rory K, Murphy, Peng, Sun, Rowland H, Han, Kim J, Griffin, Joanne, Wagner, Chester K, Yarbrough, Neill M, Wright, Ian G, Dorward, K Daniel, Riew, Michael P, Kelly, Paul, Santiago, Lukas P, Zebala, Kathryn, Trinkaus, Wilson Z, Ray, Sheng-Kwei, Song   +14 more
openaire   +3 more sources

Increased fractional anisotropy in cerebellum in obsessive–compulsive disorder

Acta Neuropsychiatrica, 2015
BackgroundPrevious morphology and diffusion-imaging studies have suggested that structural changes in white matter is an important part of the pathophysiology of obsessive–compulsive disorder (OCD). However, different methodological approaches and the heterogeneity of patient samples question the validity of the findings.Materials and methodsIn total ...
Hartmann, Tue, Vandborg, Sanne, Rosenberg, Raben, Sørensen, L., Videbech, P.   +4 more
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Fractional anisotropy correlates with auditory simple reaction time performance

Brain Research, 2007
During the last two decades, modern imaging studies focused intensively on the broad field of reaction time paradigms and significantly enhanced the understanding of behavioral performance. However, interindividual variations of simple reaction time (SRT) have been barely investigated.
Stefan, Böhr, Daniel, Güllmar, René, Knab, Jürgen R, Reichenbach, Otto W, Witte, Jens, Haueisen   +5 more
openaire   +2 more sources

Estimation of free water-corrected microscopic fractional anisotropy

2022
AbstractWater diffusion anisotropy MRI is sensitive to microstructural changes in the brain that are hallmarks of various neurological conditions. However, conventional metrics like fractional anisotropy are confounded by neuron fiber orientation dispersion, and the relatively low resolution of diffusion-weighted MRI gives rise to significant free ...
Nico J. J. Arezza, Mohammad Omer, Corey A. Baron   +2 more
openaire   +1 more source