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Diffusion Magnetic Resonance Imaging Tractography Guides Investigation of the Zona Incerta: A Novel Target for Deep Brain Stimulation. [PDF]

Biol Psychiatry
Saluja S, Qiu L, Wang AR, Campos G, Seilheimer R, McNab JA, Haber SN, Barbosa DAN, Halpern CH.   +8 more
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Diffusion Magnetic Resonance Imaging of Infants

Magnetic Resonance Imaging Clinics of North America, 2021
Diffusion magnetic resonance imaging (MRI) offers a wealth of information regarding the neonatal brain. Diffusion anisotropy values reflect changes in the microstructure that accompany early maturation of white and gray matter. In term neonates with neonatal encephalopathy, diffusion imaging provides a useful means of assessing brain injury during the ...
Jeffrey J, Neil, Christopher D, Smyser
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Diffusion Tensor Magnetic Resonance Imaging

Journal of Neuro-Ophthalmology, 2006
Molecular diffusion plays an important role in many biologic phenomena. The ability to study diffusion, therefore, is extremely useful in physiology and medicine. MRI offers a non-invasive window to diffusion, particularly water self-diffusion. MRI techniques, which provide diffusion sensitivity or quantitation (diffusion tensor MRI [DTI]), have found ...
Vikas, Gulani, Pia C, Sundgren
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Diffusion-Weighted Magnetic Resonance Imaging

Journal of Neuro-Ophthalmology, 2002
Diffusion-weighted magnetic resonance imaging is a specialized technique that measures the degree of diffusion of water molecules within extracellular space and between intracellular and extracellular space. Diffusion-weighted imaging signal is high (bright) when diffusion is restricted, as occurs in cytotoxic damage from ischemia, inflammation, trauma,
Suresh K, Mukherji, Thomas L, Chenevert, Mauricio, Castillo   +2 more
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Diffusion tensor magnetic resonance image regularization

Medical Image Analysis, 2004
As multi-dimensional complex data become more common, new regularization schemes tailored to those data are needed. In this paper we present a scheme for regularising diffusion tensor magnetic resonance (DT-MR) data, and more generally multi-dimensional data defined by a direction map and one or several magnitude maps.
O, Coulon, D C, Alexander, S, Arridge
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Magnetic resonance: perfusion and diffusion imaging

Neuroradiology, 1990
The use of magnetic resonance imaging to detect normal and pathological problems of perfusion and diffusion is reviewed. Motion sensitised spin-echo images can be used to detect changes in slow flow velocity within a voxel (intravoxel coherent motion (IVCM)) as well as intravoxel incoherent motion (IVIM) effects attributable to both diffusion and ...
M, Doran, G M, Bydder
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Diffusion-Weighted Magnetic Resonance Imaging

1997
Contrast in magnetic resonance imaging (MRI) is generated by exploiting a variety of physicochemical properties. Conventional clinical MRI techniques are largely based upon disease-induced changes in water relaxation, but these have been complemented by a number of other approaches, including a sensitization to the diffusion of water. It has been shown
King, M., van Bruggen, N., Busza, A., Turner, R.   +3 more
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Nonketotic Hyperglycinemia: Diffusion Magnetic Resonance Imaging Findings

Journal of Computer Assisted Tomography, 2003
We report about a boy with nonketotic hyperglycinemia who was studied at 15 days of life with a follow-up examination at age 6 months. Magnetic resonance (MR) imaging revealed progressive atrophy, callosal thinning, and delayed myelination. Glycine peaks were shown by proton MR spectroscopy at 3.56 ppm with a long echo time (TE, 135 milliseconds; TR ...
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Phenylketonuria: Diffusion Magnetic Resonance Imaging and Proton Magnetic Resonance Spectroscopy

Journal of Computer Assisted Tomography, 2003
Two patients with phenylketonuria are reported with white matter lesions. Diffusion magnetic resonance (MR) imaging revealed restricted diffusion patterns (high signal) on b = 1000 s/mm2 images associated with low apparent diffusion coefficient values ranging between 0.44 x 10-3 mm2/s and 0.56 x 10-3 mm2/s.
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