Sridar Narayanan - Publications

Affiliations: 
Department of Neurology and Neurosurgery McGill University (Montreal Neurological Institute) 

83 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Colato E, Prados F, Stutters J, Bianchi A, Narayanan S, Arnold DL, Wheeler-Kingshott C, Barkhof F, Ciccarelli O, Chard DT, Eshaghi A. Networks of microstructural damage predict disability in multiple sclerosis. Journal of Neurology, Neurosurgery, and Psychiatry. PMID 37468305 DOI: 10.1136/jnnp-2022-330203  0.449
2023 Fadda G, Cardenas de la Parra A, O'Mahony J, Waters P, Yeh EA, Bar-Or A, Marrie RA, Narayanan S, Arnold D, Collins DL, Banwell B. Deviation From Normative Whole Brain and Deep Gray Matter Growth in Children With MOGAD, MS, and Monophasic Seronegative Demyelination. Neurology. PMID 37258297 DOI: 10.1212/WNL.0000000000207429  0.583
2022 Longoni G, Martinez Chavez E, Young K, Brown RA, Bells S, Fetco D, Kim L, Grover SA, Costello F, Reginald A, Bar-Or A, Marrie RA, Arnold DL, Narayanan S, Branson HM, et al. Magnetization transfer saturation reveals subclinical optic nerve injury in pediatric-onset multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). 13524585221137500. PMID 36545918 DOI: 10.1177/13524585221137500  0.527
2022 Tagge IJ, Leppert IR, Fetco D, Campbell JS, Rudko DA, Brown RA, Stikov N, Pike GB, Giacomini PS, Arnold DL, Narayanan S. Permanent tissue damage in multiple sclerosis lesions is associated with reduced pre-lesion myelin and axon volume fractions. Multiple Sclerosis (Houndmills, Basingstoke, England). 13524585221110585. PMID 35903888 DOI: 10.1177/13524585221110585  0.795
2022 Bells S, Longoni G, Berenbaum T, de Medeiros CB, Narayanan S, Banwell BL, Arnold DL, Mabbott DJ, Ann Yeh E. Patterns of white and gray structural abnormality associated with paediatric demyelinating disorders. Neuroimage. Clinical. 34: 103001. PMID 35381508 DOI: 10.1016/j.nicl.2022.103001  0.596
2022 Beck ES, Maranzano J, Luciano NJ, Parvathaneni P, Filippini S, Morrison M, Suto DJ, Wu T, van Gelderen P, de Zwart JA, Antel S, Fetco D, Ohayon J, Andrada F, Mina Y, ... ... Narayanan S, et al. Cortical lesion hotspots and association of subpial lesions with disability in multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). 13524585211069167. PMID 35142571 DOI: 10.1177/13524585211069167  0.39
2021 Dadar M, Mahmoud S, Narayanan S, Collins LD, Arnold DL, Maranzano J. Diffusely abnormal white matter converts to T2 lesion volume in the absence of MRI-detectable acute inflammation. Brain : a Journal of Neurology. PMID 34927199 DOI: 10.1093/brain/awab448  0.582
2021 De Somma E, O'Mahony J, Brown RA, Brooks BL, Yeh EA, Cardenas de La Parra A, Arnold D, Collins DL, Maranzano J, Narayanan S, Marrie RA, Bar-Or A, Banwell B, Till C. Disrupted cognitive development following pediatric acquired demyelinating syndromes: a longitudinal study. Child Neuropsychology : a Journal On Normal and Abnormal Development in Childhood and Adolescence. 1-22. PMID 34872458 DOI: 10.1080/09297049.2021.2002289  0.534
2021 Elkady AM, Wu Z, Leppert IR, Arnold DL, Narayanan S, Rudko DA. Assessing the differential sensitivities of wave-CAIPI ViSTa myelin water fraction and magnetization transfer saturation for efficiently quantifying tissue damage in MS. Multiple Sclerosis and Related Disorders. 56: 103309. PMID 34688179 DOI: 10.1016/j.msard.2021.103309  0.801
2021 Lee H, Nakamura K, Narayanan S, Brown RA, Nash RA, Griffith LM, Steinmiller KC, Devine SM, Hutton GJ, Popat U, Racke MK, Georges GE, Bowen JD, Arnold DL. Brain volume change after high-dose immunosuppression and autologous hematopoietic cell transplantation for relapsing-remitting multiple sclerosis. Multiple Sclerosis and Related Disorders. 54: 103149. PMID 34284316 DOI: 10.1016/j.msard.2021.103149  0.581
2021 Eshaghi A, Young AL, Wijeratne PA, Prados F, Arnold DL, Narayanan S, Guttmann CRG, Barkhof F, Alexander DC, Thompson AJ, Chard D, Ciccarelli O. Author Correction: Identifying multiple sclerosis subtypes using unsupervised machine learning and MRI data. Nature Communications. 12: 3169. PMID 34016975 DOI: 10.1038/s41467-021-23538-6  0.498
2021 Colato E, Stutters J, Tur C, Narayanan S, Arnold DL, Gandini Wheeler-Kingshott CAM, Barkhof F, Ciccarelli O, Chard DT, Eshaghi A. Predicting disability progression and cognitive worsening in multiple sclerosis using patterns of grey matter volumes. Journal of Neurology, Neurosurgery, and Psychiatry. PMID 33879535 DOI: 10.1136/jnnp-2020-325610  0.605
2021 Eshaghi A, Young AL, Wijeratne PA, Prados F, Arnold DL, Narayanan S, Guttmann CRG, Barkhof F, Alexander DC, Thompson AJ, Chard D, Ciccarelli O. Identifying multiple sclerosis subtypes using unsupervised machine learning and MRI data. Nature Communications. 12: 2078. PMID 33824310 DOI: 10.1038/s41467-021-22265-2  0.62
2021 Ontaneda D, Raza PC, Mahajan KR, Arnold DL, Dwyer MG, Gauthier SA, Greve DN, Harrison DM, Henry RG, Li DKB, Mainero C, Moore W, Narayanan S, Oh J, Patel R, et al. Deep grey matter injury in multiple sclerosis: A NAIMS consensus statement. Brain : a Journal of Neurology. PMID 33757115 DOI: 10.1093/brain/awab132  0.573
2020 Naismith RT, Bermel RA, Coffey CS, Goodman AD, Fedler J, Kearney M, Klawiter EC, Nakamura K, Narayanan S, Goebel C, Yankey J, Klingner E, Fox RJ. Effects of ibudilast on MRI measures in the phase 2 SPRINT-MS study. Neurology. PMID 33268562 DOI: 10.1212/WNL.0000000000011314  0.438
2020 Thebault S, Lee H, Bose G, Tessier D, Abdoli M, Bowman M, Berard J, Walker L, Rush CA, MacLean H, Booth RA, Narayanan S, Arnold DL, Tabard-Cossa V, Atkins HL, et al. Neurotoxicity after hematopoietic stem cell transplant in multiple sclerosis. Annals of Clinical and Translational Neurology. PMID 32304358 DOI: 10.1002/acn3.51045  0.518
2020 Dadar M, Narayanan S, Arnold DL, Collins DL, Maranzano J. Conversion of diffusely abnormal white matter to focal lesions is linked to progression in secondary progressive multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). 1352458520912172. PMID 32202199 DOI: 10.1177/1352458520912172  0.449
2020 Narayanan S, Nakamura K, Fonov VS, Maranzano J, Caramanos Z, Giacomini PS, Collins DL, Arnold DL. Brain volume loss in individuals over time: Source of variance and limits of detectability. Neuroimage. 116737. PMID 32171923 DOI: 10.1016/j.neuroimage.2020.116737  0.564
2020 Maranzano J, Dadar M, Zhernovaia M, Arnold DL, Collins DL, Narayanan S. Automated separation of diffusely abnormal white matter from focal white matter lesions on MRI in multiple sclerosis. Neuroimage. 116690. PMID 32119987 DOI: 10.1016/j.neuroimage.2020.116690  0.449
2019 Bells S, Lefebvre J, Longoni G, Narayanan S, Arnold DL, Yeh EA, Mabbott DJ. White matter plasticity and maturation in human cognition. Glia. PMID 31233643 DOI: 10.1002/Glia.23661  0.521
2019 Barlow-Krelina E, Turner GR, Akbar N, Banwell B, Lysenko M, Yeh EA, Narayanan S, Collins DL, Aubert-Broche B, Till C. Enhanced Recruitment During Executive Control Processing in Cognitively Preserved Patients With Pediatric-Onset MS. Journal of the International Neuropsychological Society : Jins. 1-11. PMID 30813973 DOI: 10.1017/S135561771800125X  0.316
2019 Oh J, Ontaneda D, Azevedo C, Klawiter EC, Absinta M, Arnold DL, Bakshi R, Calabresi PA, Crainiceanu C, Dewey B, Freeman L, Gauthier S, Henry R, Inglese M, Kolind S, ... ... Narayanan S, et al. Imaging outcome measures of neuroprotection and repair in MS: A consensus statement from NAIMS. Neurology. PMID 30787160 DOI: 10.1212/Wnl.0000000000007099  0.652
2019 Eden D, Gros C, Badji A, Dupont SM, De Leener B, Maranzano J, Zhuoquiong R, Liu Y, Granberg T, Ouellette R, Stawiarz L, Hillert J, Talbott J, Bannier E, Kerbrat A, ... ... Narayanan S, et al. Spatial distribution of multiple sclerosis lesions in the cervical spinal cord. Brain : a Journal of Neurology. PMID 30715195 DOI: 10.1093/Brain/Awy352  0.35
2018 Lee H, Nakamura K, Narayanan S, Brown RA, Arnold DL. Estimating and accounting for the effect of MRI scanner changes on longitudinal whole-brain volume change measurements. Neuroimage. PMID 30253207 DOI: 10.1016/J.Neuroimage.2018.09.062  0.501
2018 Nakamura K, Eskildsen SF, Narayanan S, Arnold DL, Collins DL. Improving the SIENA performance using BEaST brain extraction. Plos One. 13: e0196945. PMID 30235215 DOI: 10.1371/journal.pone.0196945  0.449
2018 Longoni G, Brown RA, Aubert-Broche B, Grover SA, Branson HM, Fetco D, Bar-Or A, Marrie RA, Motl RW, Collins DL, Narayanan S, Arnold DL, Banwell B, Yeh EA. Physical activity and dentate gyrus volume in pediatric acquired demyelinating syndromes. Neurology(R) Neuroimmunology & Neuroinflammation. 5: e499. PMID 30211252 DOI: 10.1212/Nxi.0000000000000499  0.494
2018 Fadda G, Brown RA, Longoni G, Castro DA, O'Mahony J, Verhey LH, Branson HM, Waters P, Bar-Or A, Marrie RA, Yeh EA, Narayanan S, Arnold DL, Banwell B. MRI and laboratory features and the performance of international criteria in the diagnosis of multiple sclerosis in children and adolescents: a prospective cohort study. The Lancet. Child & Adolescent Health. 2: 191-204. PMID 30169254 DOI: 10.1016/S2352-4642(18)30026-9  0.57
2018 Fox RJ, Coffey CS, Conwit R, Cudkowicz ME, Gleason T, Goodman A, Klawiter EC, Matsuda K, McGovern M, Naismith RT, Ashokkumar A, Barnes J, Ecklund D, Klingner E, Koepp M, ... ... Narayanan S, et al. Phase 2 Trial of Ibudilast in Progressive Multiple Sclerosis. The New England Journal of Medicine. 379: 846-855. PMID 30157388 DOI: 10.1056/Nejmoa1803583  0.323
2018 Tremblay A, Jobin C, Demers M, Dagenais E, Narayanan S, Araújo D, Douglas AL, Roger E, Chamelian L, Duquette P, Rouleau I. Thalamic and hippocampal volume associated with memory functions in multiple sclerosis. Brain and Cognition. 125: 61-68. PMID 29890374 DOI: 10.1016/J.Bandc.2018.05.013  0.318
2018 Maranzano J, Till C, Assemlal HE, Fonov V, Brown R, Araujo D, O'Mahony J, Yeh EA, Bar-Or A, Marrie RA, Collins L, Banwell B, Arnold DL, Narayanan S. Detection and clinical correlation of leukocortical lesions in pediatric-onset multiple sclerosis on multi-contrast MRI. Multiple Sclerosis (Houndmills, Basingstoke, England). 1352458518779952. PMID 29852831 DOI: 10.1177/1352458518779952  0.61
2017 Maranzano J, Rudko DA, Nakamura K, Cook S, Cadavid D, Wolansky L, Arnold DL, Narayanan S. MRI evidence of acute inflammation in leukocortical lesions of patients with early multiple sclerosis. Neurology. PMID 28724581 DOI: 10.1212/Wnl.0000000000004227  0.793
2017 Lee H, Nakamura K, Narayanan S, Brown R, Chen J, Atkins HL, Freedman MS, Arnold DL. Impact of immunoablation and autologous hematopoietic stem cell transplantation on gray and white matter atrophy in multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). 1352458517715811. PMID 28617152 DOI: 10.1177/1352458517715811  0.591
2017 Aubert-Broche B, Weier K, Longoni G, Fonov VS, Bar-Or A, Marrie RA, Yeh EA, Narayanan S, Arnold DL, Verhey LH, Banwell B, Collins DL. Monophasic demyelination reduces brain growth in children. Neurology. PMID 28381515 DOI: 10.1212/Wnl.0000000000003884  0.5
2017 Longoni G, Brown RA, MomayyezSiahkal P, Elliott C, Narayanan S, Bar-Or A, Ann Marrie R, Ann Yeh E, Filippi M, Banwell B, Arnold DL. White matter changes in paediatric multiple sclerosis and monophasic demyelinating disorders. Brain : a Journal of Neurology. PMID 28334875 DOI: 10.1093/Brain/Awx041  0.599
2017 Nantes JC, Zhong J, Holmes SA, Whatley B, Narayanan S, Lapierre Y, Arnold DL, Koski L. Corrigendum to "Intracortical inhibition abnormality during the remission phase of multiple sclerosis is related to upper limb dexterity and lesions" [Clin. Neurophysiol. 127 (2016) 1503-1511]. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology. PMID 28073643 DOI: 10.1016/j.clinph.2016.11.022  0.562
2016 Till C, Noguera A, Verhey LH, O'Mahony J, Yeh EA, Mah JK, Sinopoli KJ, Brooks BL, Aubert-Broche B, Collins DL, Narayanan S, Arnold DL, Banwell BL. Cognitive and Behavioral Functioning in Childhood Acquired Demyelinating Syndromes. Journal of the International Neuropsychological Society : Jins. 22: 1050-1060. PMID 27903328 DOI: 10.1017/S1355617716000308  0.557
2016 Rudko DA, Derakhshan M, Maranzano J, Nakamura K, Arnold DL, Narayanan S. Delineation of cortical pathology in multiple sclerosis using multi-surface magnetization transfer ratio imaging. Neuroimage. Clinical. 12: 858-868. PMID 27872808 DOI: 10.1016/j.nicl.2016.10.010  0.728
2016 Brown RA, Narayanan S, Stikov N, Cook S, Cadavid D, Wolansky L, Arnold DL. MTR recovery in brain lesions in the BECOME study of glatiramer acetate vs interferon β-1b. Neurology. PMID 27473139 DOI: 10.1212/Wnl.0000000000003043  0.593
2016 Zhong J, Nantes JC, Holmes SA, Gallant S, Narayanan S, Koski L. Abnormal functional connectivity and cortical integrity influence dominant hand motor disability in multiple sclerosis: a multimodal analysis. Human Brain Mapping. PMID 27381089 DOI: 10.1002/hbm.23307  0.3
2016 Lee H, Narayanan S, Brown RA, Chen JT, Atkins HL, Freedman MS, Arnold DL. Brain atrophy after bone marrow transplantation for treatment of multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). PMID 27246142 DOI: 10.1177/1352458516650992  0.542
2016 Nantes JC, Zhong J, Holmes SA, Narayanan S, Lapierre Y, Koski L. Cortical Damage and Disability in Multiple Sclerosis: Relation to Intracortical Inhibition and Facilitation. Brain Stimulation. PMID 27053387 DOI: 10.1016/j.brs.2016.01.003  0.317
2015 Nantes JC, Zhong J, Holmes SA, Whatley B, Narayanan S, Lapierre Y, Arnold DL, Koski L. Intracortical inhibition abnormality during the remission phase of multiple sclerosis is related to upper limb dexterity and lesions. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology. PMID 26394909 DOI: 10.1016/j.clinph.2015.08.011  0.555
2015 Akbar N, Till C, Sled JG, Binns MA, Doesburg SM, Aubert-Broche B, Collins DL, Araujo D, Narayanan S, Arnold DL, Lysenko M, Banwell B. Altered resting-state functional connectivity in cognitively preserved pediatric-onset MS patients and relationship to structural damage and cognitive performance. Multiple Sclerosis (Houndmills, Basingstoke, England). PMID 26362891 DOI: 10.1177/1352458515602336  0.529
2015 Nakamura K, Brown RA, Narayanan S, Collins DL, Arnold DL. Diurnal fluctuations in brain volume: Statistical analyses of MRI from large populations. Neuroimage. 118: 126-132. PMID 26049148 DOI: 10.1016/J.Neuroimage.2015.05.077  0.561
2015 Stikov N, Campbell JS, Stroh T, Lavelée M, Frey S, Novek J, Nuara S, Ho MK, Bedell BJ, Dougherty RF, Leppert IR, Boudreau M, Narayanan S, Duval T, Cohen-Adad J, et al. In vivo histology of the myelin g-ratio with magnetic resonance imaging. Neuroimage. 118: 397-405. PMID 26004502 DOI: 10.1016/J.Neuroimage.2015.05.023  0.32
2015 Ghassemi R, Brown R, Banwell B, Narayanan S, Arnold DL. Quantitative Measurement of tissue damage and recovery within new T2w lesions in pediatric- and adult-onset multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). 21: 718-25. PMID 25480858 DOI: 10.1177/1352458514551594  0.573
2015 Ghassemi R, Brown R, Narayanan S, Banwell B, Nakamura K, Arnold DL. Normalization of white matter intensity on T1-weighted images of patients with acquired central nervous system demyelination. Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging. 25: 184-90. PMID 24942347 DOI: 10.1111/Jon.12129  0.617
2014 Brown RA, Narayanan S, Arnold DL. Imaging of repeated episodes of demyelination and remyelination in multiple sclerosis. Neuroimage. Clinical. 6: 20-5. PMID 25610760 DOI: 10.1016/J.Nicl.2014.06.009  0.631
2014 Quintana FJ, Patel B, Yeste A, Nyirenda M, Kenison J, Rahbari R, Fetco D, Hussain M, O'Mahony J, Magalhaes S, McGowan M, Johnson T, Rajasekharan S, Narayanan S, Arnold DL, et al. Epitope spreading as an early pathogenic event in pediatric multiple sclerosis. Neurology. 83: 2219-26. PMID 25381299 DOI: 10.1212/Wnl.0000000000001066  0.566
2014 Brown RA, Narayanan S, Banwell B, Arnold DL. Magnetization transfer ratio recovery in new lesions decreases during adolescence in pediatric-onset multiple sclerosis patients. Neuroimage. Clinical. 6: 237-42. PMID 25379436 DOI: 10.1016/J.Nicl.2014.09.003  0.599
2014 Nakamura K, Brown RA, Araujo D, Narayanan S, Arnold DL. Correlation between brain volume change and T2 relaxation time induced by dehydration and rehydration: implications for monitoring atrophy in clinical studies. Neuroimage. Clinical. 6: 166-70. PMID 25379428 DOI: 10.1016/J.Nicl.2014.08.014  0.521
2014 Aubert-Broche B, Fonov V, Narayanan S, Arnold DL, Araujo D, Fetco D, Till C, Sled JG, Banwell B, Collins DL. Onset of multiple sclerosis before adulthood leads to failure of age-expected brain growth. Neurology. 83: 2140-6. PMID 25378667 DOI: 10.1212/Wnl.0000000000001045  0.563
2014 Ghassemi R, Narayanan S, Banwell B, Sled JG, Shroff M, Arnold DL. Quantitative determination of regional lesion volume and distribution in children and adults with relapsing-remitting multiple sclerosis. Plos One. 9: e85741. PMID 24586244 DOI: 10.1371/Journal.Pone.0085741  0.616
2014 Derakhshan M, Caramanos Z, Narayanan S, Arnold DL, Louis Collins D. Surface-based analysis reveals regions of reduced cortical magnetization transfer ratio in patients with multiple sclerosis: a proposed method for imaging subpial demyelination. Human Brain Mapping. 35: 3402-13. PMID 24356893 DOI: 10.1002/hbm.22410  0.54
2014 Nakamura K, Guizard N, Fonov VS, Narayanan S, Collins DL, Arnold DL. Jacobian integration method increases the statistical power to measure gray matter atrophy in multiple sclerosis. Neuroimage. Clinical. 4: 10-7. PMID 24266007 DOI: 10.1016/j.nicl.2013.10.015  0.531
2014 Trojan DA, Narayanan S, Francis SJ, Caramanos Z, Robinson A, Cardoso M, Arnold DL. Brain volume and fatigue in patients with postpoliomyelitis syndrome. Pm & R : the Journal of Injury, Function, and Rehabilitation. 6: 215-20. PMID 24060387 DOI: 10.1016/j.pmrj.2013.09.009  0.497
2013 Verhey LH, Narayanan S, Banwell B. Standardized magnetic resonance imaging acquisition and reporting in pediatric multiple sclerosis. Neuroimaging Clinics of North America. 23: 217-26.e1-7. PMID 23608686 DOI: 10.1016/J.Nic.2012.12.003  0.367
2013 Arnold DL, Narayanan S, Antel S. Neuroprotection with glatiramer acetate: evidence from the PreCISe trial. Journal of Neurology. 260: 1901-6. PMID 23589190 DOI: 10.1007/s00415-013-6903-5  0.411
2013 Till C, Racine N, Araujo D, Narayanan S, Collins DL, Aubert-Broche B, Arnold DL, Banwell B. Changes in cognitive performance over a 1-year period in children and adolescents with multiple sclerosis. Neuropsychology. 27: 210-9. PMID 23527649 DOI: 10.1037/A0031665  0.542
2013 Brown RA, Narayanan S, Arnold DL. Segmentation of magnetization transfer ratio lesions for longitudinal analysis of demyelination and remyelination in multiple sclerosis. Neuroimage. 66: 103-9. PMID 23110887 DOI: 10.1016/J.Neuroimage.2012.10.059  0.587
2013 García-Lorenzo D, Francis S, Narayanan S, Arnold DL, Collins DL. Review of automatic segmentation methods of multiple sclerosis white matter lesions on conventional magnetic resonance imaging. Medical Image Analysis. 17: 1-18. PMID 23084503 DOI: 10.1016/j.media.2012.09.004  0.588
2012 Sadaka Y, Verhey LH, Shroff MM, Branson HM, Arnold DL, Narayanan S, Sled JG, Bar-Or A, Sadovnick AD, McGowan M, Marrie RA, Banwell B. 2010 McDonald criteria for diagnosing pediatric multiple sclerosis. Annals of Neurology. 72: 211-23. PMID 22926854 DOI: 10.1002/Ana.23575  0.604
2012 Fuentes A, Collins DL, Garcia-Lorenzo D, Sled JG, Narayanan S, Arnold DL, Banwell BL, Till C. Memory performance and normalized regional brain volumes in patients with pediatric-onset multiple sclerosis. Journal of the International Neuropsychological Society : Jins. 18: 471-80. PMID 22321690 DOI: 10.1017/S1355617711001913  0.543
2012 Caramanos Z, Francis SJ, Narayanan S, Lapierre Y, Arnold DL. Large, nonplateauing relationship between clinical disability and cerebral white matter lesion load in patients with multiple sclerosis. Archives of Neurology. 69: 89-95. PMID 22232348 DOI: 10.1001/archneurol.2011.765  0.604
2011 Verhey LH, Branson HM, Shroff MM, Callen DJ, Sled JG, Narayanan S, Sadovnick AD, Bar-Or A, Arnold DL, Marrie RA, Banwell B. MRI parameters for prediction of multiple sclerosis diagnosis in children with acute CNS demyelination: a prospective national cohort study. The Lancet. Neurology. 10: 1065-73. PMID 22067635 DOI: 10.1016/S1474-4422(11)70250-2  0.605
2011 Till C, Deotto A, Tipu V, Sled JG, Bethune A, Narayanan S, Arnold DL, Banwell BL. White matter integrity and math performance in pediatric multiple sclerosis: a diffusion tensor imaging study. Neuroreport. 22: 1005-9. PMID 22045260 DOI: 10.1097/Wnr.0B013E32834Dc301  0.304
2011 Banwell B, Bar-Or A, Arnold DL, Sadovnick D, Narayanan S, McGowan M, O'Mahony J, Magalhaes S, Hanwell H, Vieth R, Tellier R, Vincent T, Disanto G, Ebers G, Wambera K, et al. Clinical, environmental, and genetic determinants of multiple sclerosis in children with acute demyelination: a prospective national cohort study. The Lancet. Neurology. 10: 436-45. PMID 21459044 DOI: 10.1016/S1474-4422(11)70045-X  0.583
2010 Levesque IR, Sled JG, Narayanan S, Giacomini PS, Ribeiro LT, Arnold DL, Pike GB. Reproducibility of quantitative magnetization-transfer imaging parameters from repeated measurements. Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine. 64: 391-400. PMID 20665783 DOI: 10.1002/Mrm.22350  0.486
2010 Derakhshan M, Caramanos Z, Giacomini PS, Narayanan S, Maranzano J, Francis SJ, Arnold DL, Collins DL. Evaluation of automated techniques for the quantification of grey matter atrophy in patients with multiple sclerosis Neuroimage. 52: 1261-1267. PMID 20483380 DOI: 10.1016/j.neuroimage.2010.05.029  0.572
2010 Levesque IR, Giacomini PS, Narayanan S, Ribeiro LT, Sled JG, Arnold DL, Pike GB. Quantitative magnetization transfer and myelin water imaging of the evolution of acute multiple sclerosis lesions. Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine. 63: 633-40. PMID 20146232 DOI: 10.1002/Mrm.22244  0.397
2010 Caramanos Z, Fonov VS, Francis SJ, Narayanan S, Pike GB, Collins DL, Arnold DL. Gradient distortions in MRI: characterizing and correcting for their effects on SIENA-generated measures of brain volume change. Neuroimage. 49: 1601-11. PMID 19682586 DOI: 10.1016/J.Neuroimage.2009.08.008  0.541
2009 Trojan DA, Arnold DL, Shapiro S, Bar-Or A, Robinson A, Le Cruguel JP, Narayanan S, Tartaglia MC, Caramanos Z, Da Costa D. Fatigue in post-poliomyelitis syndrome: association with disease-related, behavioral, and psychosocial factors. Pm & R : the Journal of Injury, Function, and Rehabilitation. 1: 442-9. PMID 19627931 DOI: 10.1016/J.Pmrj.2009.03.003  0.437
2009 Giacomini PS, Levesque IR, Ribeiro L, Narayanan S, Francis SJ, Pike GB, Arnold DL. Measuring demyelination and remyelination in acute multiple sclerosis lesion voxels. Archives of Neurology. 66: 375-81. PMID 19273757 DOI: 10.1001/Archneurol.2008.578  0.618
2009 Caramanos Z, DiMaio S, Narayanan S, Lapierre Y, Arnold DL. 1H-MRSI evidence for cortical gray matter pathology that is independent of cerebral white matter lesion load in patients with secondary progressive multiple sclerosis Journal of the Neurological Sciences. 282: 72-79. PMID 19232641 DOI: 10.1016/j.jns.2009.01.015  0.559
2008 Ghassemi R, Antel SB, Narayanan S, Francis SJ, Bar-Or A, Sadovnick AD, Banwell B, Arnold DL. Lesion distribution in children with clinically isolated syndromes. Annals of Neurology. 63: 401-5. PMID 18306242 DOI: 10.1002/Ana.21322  0.612
2006 Narayanan S, Francis SJ, Sled JG, Santos AC, Antel S, Levesque I, Brass S, Lapierre Y, Sappey-Marinier D, Pike GB, Arnold DL. Axonal injury in the cerebral normal-appearing white matter of patients with multiple sclerosis is related to concurrent demyelination in lesions but not to concurrent demyelination in normal-appearing white matter. Neuroimage. 29: 637-42. PMID 16126413 DOI: 10.1016/J.Neuroimage.2005.07.017  0.601
2005 Caramanos Z, Narayanan S, Arnold DL. 1H-MRS quantification of tNA and tCr in patients with multiple sclerosis: A meta-analytic review Brain. 128: 2483-2506. PMID 16230321 DOI: 10.1093/brain/awh640  0.566
2005 Biernacki K, Antel JP, Blain M, Narayanan S, Arnold DL, Prat A. Interferon beta promotes nerve growth factor secretion early in the course of multiple sclerosis. Archives of Neurology. 62: 563-8. PMID 15824253 DOI: 10.1001/Archneur.62.4.563  0.579
2005 Levesque I, Sled JG, Narayanan S, Santos AC, Brass SD, Francis SJ, Arnold DL, Pike GB. The role of edema and demyelination in chronic T1 black holes: a quantitative magnetization transfer study. Journal of Magnetic Resonance Imaging : Jmri. 21: 103-10. PMID 15666408 DOI: 10.1002/Jmri.20231  0.528
2004 Brass SD, Narayanan S, Antel JP, Lapierre Y, Collins L, Arnold DL. Axonal damage in multiple sclerosis patients with high versus low expanded disability status scale score. The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques. 31: 225-8. PMID 15198448 DOI: 10.1017/S0317167100053877  0.556
2004 Tartaglia MC, Narayanan S, Francis SJ, Santos AC, De Stefano N, Lapierre Y, Arnold DL. The relationship between diffuse axonal damage and fatigue in multiple sclerosis. Archives of Neurology. 61: 201-7. PMID 14967766 DOI: 10.1001/archneur.61.2.201  0.449
2002 De Stefano N, Narayanan S, Francis SJ, Smith S, Mortilla M, Tartaglia MC, Bartolozzi ML, Guidi L, Federico A, Arnold DL. Diffuse axonal and tissue injury in patients with multiple sclerosis with low cerebral lesion load and no disability. Archives of Neurology. 59: 1565-71. PMID 12374493  0.564
2002 Santos AC, Narayanan S, de Stefano N, Tartaglia MC, Francis SJ, Arnaoutelis R, Caramanos Z, Antel JP, Pike GB, Arnold DL. Magnetization transfer can predict clinical evolution in patients with multiple sclerosis. Journal of Neurology. 249: 662-8. PMID 12111296 DOI: 10.1007/S00415-002-0686-4  0.614
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