|Evidence of axonal damage in the early stages of multiple sclerosis and its relevance to disability|
N De Stefano, S Narayanan, GS Francis, R Arnaoutelis, MC Tartaglia, ...
Archives of neurology 58 (1), 65-70, 2001
|Axonal damage correlates with disability in patients with relapsing-remitting multiple sclerosis. Results of a longitudinal magnetic resonance spectroscopy study.|
N De Stefano, PM Matthews, L Fu, S Narayanan, J Stanley, GS Francis, ...
Brain: a journal of neurology 121 (8), 1469-1477, 1998
|Imaging axonal damage of normal-appearing white matter in multiple sclerosis.|
L Fu, PM Matthews, N De Stefano, KJ Worsley, S Narayanan, GS Francis, ...
Brain: a journal of neurology 121 (1), 103-113, 1998
|Evidence for adaptive functional changes in the cerebral cortex with axonal injury from multiple sclerosis|
H Reddy, S Narayanan, R Arnoutelis, M Jenkinson, J Antel, PM Matthews, ...
Brain 123 (11), 2314-2320, 2000
|Review of automatic segmentation methods of multiple sclerosis white matter lesions on conventional magnetic resonance imaging|
D García-Lorenzo, S Francis, S Narayanan, DL Arnold, DL Collins
Medical image analysis 17 (1), 1-18, 2013
|Clinical, environmental, and genetic determinants of multiple sclerosis in children with acute demyelination: a prospective national cohort study|
B Banwell, A Bar-Or, DL Arnold, D Sadovnick, S Narayanan, M McGowan, ...
The Lancet Neurology 10 (5), 436-445, 2011
|Imaging of axonal damage in multiple sclerosis: spatial distribution of magnetic resonance imaging lesions|
S Narayanan, L Fu, E Pioro, N De Stefano, DL Collins, GS Francis, ...
Annals of neurology 41 (3), 385-391, 1997
|The relationship between diffuse axonal damage and fatigue in multiple sclerosis|
MC Tartaglia, S Narayanan, SJ Francis, AC Santos, N De Stefano, ...
Archives of neurology 61 (2), 201-207, 2004
|Putting magnetic resonance spectroscopy studies in context: axonal damage and disability in multiple sclerosis|
PM Matthews, N De Stefano, S Narayanan, GS Francis, JS Wolinsky, ...
Seminars in neurology 18 (03), 327-336, 1998
|In vivo evidence for axonal dysfunction remote from focal cerebral demyelination of the type seen in multiple sclerosis|
N De Stefano, S Narayanan, PM Matthews, GS Francis, JP Antel, ...
Brain 122 (10), 1933-1939, 1999
|Relating axonal injury to functional recovery in MS|
H Reddy, S Narayanan, PM Matthews, RD Hoge, GB Pike, P Duquette, ...
Neurology 54 (1), 236-236, 2000
|Diffuse axonal and tissue injury in patients with multiple sclerosis with low cerebral lesion load and no disability|
N De Stefano, S Narayanan, SJ Francis, S Smith, M Mortilla, MC Tartaglia, ...
Archives of neurology 59 (10), 1565-1571, 2002
|Functional brain reorganization for hand movement in patients with multiple sclerosis: defining distinct effects of injury and disability|
H Reddy, S Narayanan, M Woolrich, T Mitsumori, Y Lapierre, DL Arnold, ...
Brain 125 (12), 2646-2657, 2002
|Multiple sclerosis: magnetization transfer MR imaging of white matter before lesion appearance on T2-weighted images|
GB Pike, N De Stefano, S Narayanan, KJ Worsley, D Pelletier, GS Francis, ...
Radiology 215 (3), 824-830, 2000
|Assessment of lesion pathology in multiple sclerosis using quantitative MRI morphometry and magnetic resonance spectroscopy|
PM Matthews, E Pioro, S Narayanan, ND Stefano, L Fu, G Francis, J Antel, ...
Brain 119 (3), 715-722, 1996
|Relating neocortical pathology to disability progression in multiple sclerosis using MRI|
JT Chen, S Narayanan, DL Collins, SM Smith, PM Matthews, DL Arnold
Neuroimage 23 (3), 1168-1175, 2004
|Choline is increased in pre-lesional normal appearing white matter in multiple sclerosis|
MC Tartaglia, S Narayanan, N De Stefano, R Arnaoutelis, SB Antel, ...
Journal of neurology 249 (10), 1382-1390, 2002
|Axonal metabolic recovery in multiple sclerosis patients treated with interferon β–1b|
S Narayanan, N De Stefano, GS Francis, R Arnaoutelis, Z Caramanos, ...
Journal of neurology 248 (11), 979-986, 2001
|In vivo histology of the myelin g-ratio with magnetic resonance imaging|
N Stikov, JSW Campbell, T Stroh, M Lavelée, S Frey, J Novek, S Nuara, ...
NeuroImage 118, 397-405, 2015
|MRI parameters for prediction of multiple sclerosis diagnosis in children with acute CNS demyelination: a prospective national cohort study|
LH Verhey, HM Branson, MM Shroff, DJA Callen, JG Sled, S Narayanan, ...
The Lancet Neurology 10 (12), 1065-1073, 2011