50 results on '"Narayana, Ponnada A."'
Search Results
2. MRI acoustic noise-modulated computer animations for patient distraction and entertainment with application in pediatric psychiatric patients
3. Regional differences in white matter integrity in stimulant use disorders: A meta-analysis of diffusion tensor imaging studies
4. Prospective in silico study of the feasibility and dosimetric advantages of MRI-guided dose adaptation for human papillomavirus positive oropharyngeal cancer patients compared with standard IMRT
5. Altered anterior cingulate cortex to hippocampus effective connectivity in response to drug cues in men with cocaine use disorder
6. Promoting Collaborations Between Radiologists and Scientists
7. Long-term follow-up of a randomized study of combination interferon and glatiramer acetate in multiple sclerosis: Efficacy and safety results up to 7 years
8. A preliminary longitudinal study of white matter alteration in cocaine use disorder subjects
9. Altered white matter in cocaine-dependent subjects with traumatic brain injury: A diffusion tensor imaging study
10. Lateral ventricular cerebrospinal fluid diffusivity as a potential neuroimaging marker of brain temperature in multiple sclerosis: a hypothesis and implications
11. Regional gray matter atrophy in relapsing remitting multiple sclerosis: Baseline analysis of multi-center data
12. DTI-based segmentation and quantification of human brain lateral ventricular CSF volumetry and mean diffusivity: Validation, age, gender effects and biophysical implications
13. Chronic cocaine administration causes extensive white matter damage in brain: Diffusion tensor imaging and immunohistochemistry studies
14. Is 3D MPRAGE better than the combination DIR/PSIR for cortical lesion detection at 3 T MRI?
15. Evaluation of fiber tracking from subsampled q-space data in diffusion spectrum imaging
16. Multi-task functional MRI in multiple sclerosis patients without clinical disability
17. Oxygen-enhanced MRI in temporal lobe epilepsy: Diagnosis and lateralization
18. Effect of cocaine on structural changes in brain: MRI volumetry using tensor-based morphometry
19. Perfusion in rat brain at 7 T with arterial spin labeling using FAIR-TrueFISP and QUIPSS
20. Working memory fMRI activation in cocaine-dependent subjects: Association with treatment response
21. Diffusion tensor imaging in cocaine dependence: Regional effects of cocaine on corpus callosum and effect of cocaine administration route
22. In vivo diffusion tensor imaging of thoracic and cervical rat spinal cord at 7 T
23. Proton Magnetic Resonance Spectroscopy in Multiple Sclerosis
24. Diffusion tensor imaging of cocaine-treated rodents
25. Symmetric inverse consistent nonlinear registration driven by mutual information
26. Deep gray matter atrophy in multiple sclerosis: A tensor based morphometry
27. Generalized fuzzy clustering for segmentation of multi-spectral magnetic resonance images
28. Brain fiber tract plasticity in experimental spinal cord injury: Diffusion tensor imaging
29. Diffusion tensor imaging eigenvalues: Preliminary evidence for altered myelin in cocaine dependence
30. Cortical reorganization in NT3-treated experimental spinal cord injury: Functional magnetic resonance imaging
31. Fast quantification of proton magnetic resonance spectroscopic imaging with artificial neural networks
32. Mohr diagram interpretation of anisotropic diffusion indices in MRI
33. In vivo assessment of blood-spinal cord barrier permeability: serial dynamic contrast enhanced MRI of spinal cord injury
34. Global optimization of mutual information: application to three-dimensional retrospective registration of magnetic resonance images
35. In vivo diffusion tensor imaging of rat spinal cord at 7 T
36. In vivo relaxation times of gray matter and white matter in spinal cord
37. 93: Tissue graft materials for skin patch during in-utero spina bifida repair in a sheep model
38. 486: Cryopreserved Human Umbilical Cord (HUC) patch for in-utero spina bifida repair preserves posterior column tracts and improve spinal cord function
39. 86: Functional and anatomical integrity of spinal cord after in-utero spina bifida repair using cryopreserved human umbilical cord (HUC) Patch vs. Conventional repair (CR) in a Sheep Model
40. Impulsivity and BOLD fMRI activation in MDMA users and healthy control subjects
41. Practical problems and solutions in spatially resolved spectroscopy
42. Feasibility of fast MR imaging of the liver at 1.5 T
43. In vivo T1 characterization of genetically induced muscle atrophy
44. Magnetic resonance imaging of hyperbaric oxygen treated rats with spinal cord injury: Preliminary studies
45. Magnetic resonance imaging of burn injury in rats
46. In vivo 1H spectroscopic studies of human gastrocnemius muscle at 1.5 T
47. Cervical spine MR imaging using multislice gradient echo imaging: Comparison with cardiac gated spin echo
48. In vivo echo-planar imaging of rat spinal cord
49. Fast magnetic resonance in vascular diseases of the abdomen
50. Localized T1 measurements using volume-selective excitation
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