Results 1 to 10 of about 642,698 (337)

Estimation of free water-corrected microscopic fractional anisotropy [PDF]

open access: yesFrontiers in Neuroscience, 2023
Water 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
Nico J. J. Arezza   +6 more
doaj   +7 more sources

Potential Pitfalls of Using Fractional Anisotropy, Axial Diffusivity, and Radial Diffusivity as Biomarkers of Cerebral White Matter Microstructure. [PDF]

open access: goldFront Neurosci, 2021
Fractional anisotropy (FA), axial diffusivity (AD), and radial diffusivity (RD) are commonly used as MRI biomarkers of white matter microstructure in diffusion MRI studies of neurodevelopment, brain aging, and neurologic injury/disease.
Figley CR   +5 more
europepmc   +4 more sources

An Introduction to Kurtosis Fractional Anisotropy. [PDF]

open access: yesAJNR Am J Neuroradiol, 2019
Neuroradiology and imaging-based diagnostics in general have a dire need for scan techniques with improved microstructural sensitivity for detection of subtle tissue alterations in early disease phases or for diagnostics of diseases that are currently ...
Hansen B.
europepmc   +6 more sources

Detecting dopaminergic neuronal degeneration using diffusion tensor imaging in a rotenone-induced rat model of Parkinson's disease: fractional anisotropy and mean diffusivity values

open access: goldNeural Regeneration Research, 2017
Dopamine content in the basal ganglia is strongly associated with the degree of dopaminergic neuron loss in the substantia nigra pars compacta. Symptoms of Parkinson's disease might not arise until more than 50% of the substantia nigra pars compacta is ...
Lan-xiang Liu   +8 more
doaj   +3 more sources

Predicting aging trajectories of decline in brain volume, cortical thickness and fractional anisotropy in schizophrenia. [PDF]

open access: yesSchizophrenia (Heidelb), 2023
Brain-age prediction is a novel approach to assessing deviated brain aging trajectories in different diseases. However, most studies have used an average brain age gap (BAG) of individuals with schizophrenia of different illness durations for comparison ...
Zhu JD   +4 more
europepmc   +2 more sources

Race, Socioeconomic Status, and Cerebellum Cortex Fractional Anisotropy in Pre-Adolescents

open access: yesAdolescents, 2021
Introduction: Cerebellum cortex fractional anisotropy is a proxy of the integrity of the cerebellum cortex. However, less is known about how it is shaped by race and socioeconomic status (SES) indicators such as parental education and household income ...
Shervin Assari, Shanika Boyce
doaj   +2 more sources

Comprehensive analysis of early fractional anisotropy changes in acute ischemic stroke. [PDF]

open access: yesPLoS ONE, 2017
Cerebral ischemia leads to a rapid decrease of the apparent diffusion coefficient. For fractional anisotropy both increase and decrease have been reported in acute ischemic stroke.
Anna Christina Alegiani   +11 more
doaj   +2 more sources

Fractional Anisotropy changes in Parahippocampal Cingulum due to Alzheimer’s Disease [PDF]

open access: yesScientific Reports, 2020
Current treatments for Alzheimer’s disease are only symptomatic and limited to reduce the progression rate of the mental deterioration. Mild Cognitive Impairment, a transitional stage in which the patient is not cognitively normal but do not meet the ...
Josué Luiz Dalboni da Rocha   +4 more
semanticscholar   +5 more sources

DTI‐MR fingerprinting for rapid high‐resolution whole‐brain T1, T2, proton density, ADC, and fractional anisotropy mapping [PDF]

open access: greenMagnetic Resonance in Medicine, 2023
This study aims to develop a high‐efficiency and high‐resolution 3D imaging approach for simultaneous mapping of multiple key tissue parameters for routine brain imaging, including T1, T2, proton density (PD), ADC, and fractional anisotropy (FA).
Xiaozhi Cao   +18 more
openalex   +2 more sources

Microscopic fractional anisotropy outperforms multiple sclerosis lesion assessment and clinical outcome associations over standard fractional anisotropy tensor

open access: yesHuman Brain Mapping
We aimed to compare the ability of diffusion tensor imaging and multi‐compartment spherical mean technique to detect focal tissue damage and in distinguishing between different connectivity patterns associated with varying clinical outcomes in multiple ...
F. Vivó   +17 more
semanticscholar   +5 more sources

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