magnetic resonance imaging diffusion tensor imaging
Update on the pathophysiology of cluster headache: imaging and neuropeptide studies
... keywords: imaging studies, voxel-based morphometry, diffusion-tensor imaging, diffusion magnetic resonance imaging, tractography, connectivity, cerebral networks, ...
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In vivo cardiovascular magnetic resonance diffusion tensor imaging shows evidence of abnormal myocardial laminar orientations and mobility in hypertrophic cardiomyopathy
... 3 imaging voxel ...single tensor. cDTI techniques with higher angular diffusion resolution (multi-tensor, diffusion spectrum imaging, and q-ball) would be needed for this [45], ...
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Probing dynamic myocardial microstructure with cardiac magnetic resonance diffusion tensor imaging
... the diffusion effects that would be expected for a simple homogeneous elastic material ...observed diffusion orientation differences as reflecting alterations in the underlying myocyte and sheetlet mobility ...
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Diffusion-Weighted Magnetic Resonance Imaging in Term Perinatal Brain Injury: A Comparison With Site of Lesion and Time From Birth
... echoplanar imaging sin- gle-shot DWI technique to obtain 15 slices across the brain in 3 ...and imaging the whole ...use diffusion tensor imaging techniques in this study, but these ...
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Microstructural Brain Development After Perinatal Cerebral White Matter Injury Assessed by Diffusion Tensor Magnetic Resonance Imaging
... 5). Infants with evidence of cerebral WM injury had lower Apgar scores (WM injury: 7 of 10 with 1-minute Apgar scores ⬍5, and 4 of 10 with 5-minute Apgar scores ⬍ 6; no WM injury: 9 of 10 with 1-minute and 5-minute Apgar ...
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Diffusion tensor magnetic resonance imaging and fibre tractography in the brain
... the diffusion tensor maps prior to calculating the corresponding anisotropy ...the diffusion ten sor, Although it has been shown that such transformations can be done robustly [30], performing the ...
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Investigating Cortical Changes in Cervical Spondylotic Myelopathy Using Functional Magnetic Resonance Imaging, Proton Magnetic Resonance Spectroscopy and Diffusion Tensor Imaging
... Our study included stringent inclusion criteria, along with rigorous acquisition and post- processing methods to reduce data variance. We performed high magnetic field MRS at 3.0 T, which provides greater ...
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Investigating structural plasticity in musicians’ brains using structural magnetic resonance and diffusion tensor imaging techniques
... The fact that musicians are challenged by no other profession in their expertise in the auditory domain has fascinated neuroscientists to relate such exceptional auditory skill to changes in brain anatomy. Prior to the ...
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Neuroimaging in repetitive brain trauma
... the imaging modality to use to probe ...conventional magnetic resonance imaging ...Further, imaging methods beyond morphological CT/MRI may be more sensitive to the pathological changes ...
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A Diffusion Tensor Imaging Study of Motor Fibre Path Integrity and Overt Responsiveness in Disorders of Consciousness
... functional magnetic resonance imaging (fMRI) and EEG have contested the assumption that patients who exhibit no overt behavioural signs of command following should be classified as unaware ...
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Can diffusion tensor imaging lesion patterns predict the outcome of ischemic stroke?
... DTI: Diffusion tensor imaging; DTT: Diffusion tensor tractography; DWI: Diffusion-weighted imaging; FA: Fractional anisotropy; IFOF: Inferior fronto-occipital fasciculus; ...
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Neural Network-Assisted Fiber Tracking of Synthetic and White Matter DT-MR Images
... with diffusion tensor (DT) fields acquired via magnetic resonance imaging (MRI) is improved and applied to real brain DT-MR ...the diffusion matrix at each ...
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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
... Magnetic resonance diffusion tensor imaging (DTI) allows to infere the ultrastructure of living ...integrate diffusion tensor estimation, regularization and interpolation ...
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Comparison of diffusion tensor imaging by cardiovascular magnetic resonance and gadolinium enhanced 3D image intensity approaches to investigation of structural anisotropy in explanted rat hearts
... Measuring the orientations of these architectural fea- tures is important as they have roles in both electro- physiological and biomechanical function in health and disease. Changes in local myocyte orientation and myo- ...
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Advanced magnetic resonance imaging (MRI) techniques of the spine and spinal cord in children and adults
... advanced magnetic resonance imaging (MRI) techniques used for imaging of the spine and spinal cord in children and ...spine imaging because of anatomical and physical constraints will ...
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Diffusion tensor imaging with direct cytopathological validation: characterisation of decorin treatment in experimental juvenile communicating hydrocephalus
... Diffusion tensor imaging (DTI). DTI is a specialised magnetic resonance imaging technique that is used to gain greater appreciation of white matter disease-related ...
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Resting State Functional Magnetic Resonance and Diffusion Tensor Imaging of Hemiplegic Cerebral Palsy Patients Treated with Constraint-Induced Movement Therapy: Predictors and Clinically Correlated Evidence of Neuroplasticity
... local magnetic field around the vessel is attenuated because the flux of oxygenated hemoglobin has flushed out the paramagnetic dHb resulting in small increase in the local MR signal with potentially high spatial ...
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Reproducibility of in vivo diffusion tensor cardiovascular magnetic resonance in hypertrophic cardiomyopathy
... Cardiovascular magnetic resonance (CMR) is assuming an increasingly important role in the diagnosis and eva- luation of HCM ...(LGE) imaging and T1-relaxometry; [16,17] and the identification of ...
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Persistence homology of networks: methods and applications
... DTI: Diffusion tensor imaging; EEG: Electroencephalography; FMG: Functional metric graph filtration; fMRI: Functional magnetic resonance imaging; GDP: Gross domestic product; ...
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MRI in Severe Traumatic Brain Injury: Micro- and Macrostructural Changes
... The tensor model is unable to model multiple fibre populations within each voxel, and specifically in complex regions of crossing fibre populations this is an important ...the tensor model demands cautious ...
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