1. Narayan SK, Grace Cherian S, Babu Phaniti P, Babu Chidambaram S, Rachel Vasanthi AH, Arumugam M. Preclinical animal studies in ischemic stroke: Challenges and some solutions. Animal Model Exp Med. 2021 Apr 23;4(2):104-115. doi: 10.1002/ame2.12166. eCollection 2021 Jun. PMID: 34179718 Free PMC article. Review.

2. Pandian JD, Verma SJ, Arora D, Sharma M, Dhaliwal R, Khatter H…Narayan S et al; INSTRuCT: Protocol, Infrastructure, and Governance. Stroke. 2021 Jun 25:STROKEAHA120033149. doi: 10.1161/STROKEAHA.120.033149. Epub ahead of print. PMID: 34167324.

3. S. Narayan and J. Jayan. Comparison Of The Effects Of Transcranial Direct Current,Magnetic Stimulation, And Sham Stimulation On Somatosensory

Evoked Potentials In Chronic Ischemic Stroke Patients. International Journal of Stroke. 2021, Vol. 16(2s); 52.

4. S. Narayan, Y. Nesha, R. Aghoram and S. Saxena. Effects Of Transcranial Direct Current Stimulation Priming of Speech Therapy Sessions In Aphasic Ischemic Stroke: Results From Interim Analysis Of A Randomised Controlled Trial. International Journal of Stroke 2021, Vol. 16(2S); 113.

5. S. Narayan and S. Cherian. Exosome Therapies Improve Outcome In Rodents With Ischemic Stroke; A Systematic Review With Meta-Analysis. International Journal of Stroke 2021, Vol. 16(2S);121.

6. Rajesh Kumar Meher, Sunil K. Narayan, Rajeswari Aghoram. Long-term motor, cognitive, behavioural and quality of life outcome of Cerebral Venous Sinus Thrombosis: A longitudinal study on 225 South Indian Tamil patients (1467). Neurology Apr 2021, 96 (15 S); 1467

7. Sugumaran R, Narayan SK, Goel A, Kundra P. Cord injury after spinal block for caesarean section. Pract Neurol. 2021 Mar 16: practneurol-2020-002760. doi: 10.1136/practneurol-2020-002760. Epub ahead of print. PMID: 33727243.

8. Menon B, Narayan SK, Bhade S. COVID-19, Moral Injury and the Bhagvad Gita. J Relig Health. 2021 Feb 26:1–9. doi: 10.1007/s10943-021-01210-z. PMID: 33635446; PMCID: PMC7908940.

9. Panicker G, Kaliaperumal S, Narayan S, Mani M. Glaucoma and optical coherence tomography changes in migraine: A comparative cross-sectional study. Indian J Ophthalmol 2021;69:3546-51

10. Mohan AB, Adithan S, Narayan S, Krishnan N, Mathews D. Evaluation of White Matter Tracts Fractional Anisotropy Using Tract-Based Spatial Statistics and Its correlation with Amyotrophic Lateral Sclerosis Functional Rating Scale Score in Patients with Motor Neuron Disease. Indian Journal of Radiology and Imaging. 2021.doi: 10.1055/s-0041-1734337

11. Narayan S, Chandrasekaran A, Basu D, Hanumanthappa N, Aghoram R, Dutta TK, Rejul V. Prothrombotic Factors Have Significant Association with Arterial and Venous Strokes in Indian Tamilians. J Appl Lab Med. 2020 Dec 12:jfaa198. doi: 10.1093/jalm/jfaa198. Epub ahead of print. PMID: 33313850

12. Mekala S, Paplikar A, Mioshi E, Kaul S, Divyaraj G, Coughlan G, Ellajosyula R, Jala S, Menon R, Narayanan J, Narayan S, Aghoram R, Nehra A, Rajan A, Sabnis P, Singh SK, Tripathi M, Verma M, Saru LV, Hodges JR, Alladi S. Dementia Diagnosis in Seven Languages: The Addenbrooke's Cognitive Examination-III in India. Arch Clin Neuropsychol. 2020 Jul 24;35(5):528-538. doi: 10.1093/arclin/acaa013. PMID: 32188967.

13. Indira Priya D, Sugumaran R, Sunil K Narayan, Supriya C. Bobble-head doll syndrome with supra-sellar arachnoid cyst. Pract Neurol. 2020 Oct 22: Practneurol-2020-002666. doi: 10.1136/practneurol-2020-002666. Epub ahead of print. PMID: 33093183.

14. Elavarasi A, Narayan SK, Parameswaran S, Srinivas BH, Mani B. Stroke in a Young Man with Nephropathy and Cardiac Thrombosis: An Uncommon Presentation of Antiphospholipid Syndrome. J Clin Rheumatol. 2020 Oct 22. doi: 10.1097/RHU.0000000000001589. Epub ahead of print. PMID: 33105315.

15. Das AM, Ramamoorthy L, Narayan SK, Wadvekar V, Harichandrakumar KT. Adherence to Antiepileptic Regime: A Cross-sectional Survey. Neurol India. 2020;68(4):856-860. PMID: 32859828

16. Sugin LJS, Murugesan A, Bindu M, Sunil KN. Roflumilast: A potential drug for the treatment of cognitive impairment? Neurosci Lett. 2020 Sep 25;736:135281. doi: 10.1016/j.neulet.2020.135281. Epub 2020 Jul 28. PMID: 32735939.

17. Atul Goel, Sunil K Narayan, Ramkumar Sugumaran. Hemiplegic cerebral palsy complicated by acute hemidystonia in adulthood. Neurol Clin Pract Sep 2020, 10.1212/CPJ.0000000000000931; DOI: 10.1212/CPJ.0000000000000931

18. Chatterjee D, Nagarajan K, Narayan SK, Narasimhan RL. Regional leptomeningeal collateral score by computed tomographic angiography correlates with 3-month clinical outcome in acute ischemic stroke. Brain Circ 2020;6:107-15.

19. Pradeep Pankajakshan Nair, Vaibhav Wadwekar , Sunitha Vellathussery Chakkalakkoombil, Sunil K. Narayan, Revanth Marusani, Aditya Murgai, Sibi Thirunavukkarasu, Amritha Krishnamoorthy, Harichandrakumar Kottyen Thazhath. Comparison of proximal and distal corticosteroid injections for carpal tunnel syndrome. Muscle and Nerve; 2020;62(1):89-94. Clinical Trial

20. Ganesapandian M, Ramasamy K, Adithan S, Narayan SK. Influence of cytochrome P450 3A5 (CYP3A5) genetic polymorphism on dose adjusted plasma levels of carbamazepine in epileptic patients in South Indian population. Indian J Pharmacol 2019. DOI:10.4103/ijp.IJP_122_19

21. Sunil Narayan, Ranukumari A, Shakila R, Jeevanandham L, Liji B, Naveeta Yadav. Effect of dentures in preservation of muscles of mastication- an ultrasongraphic and electromyographic study. Journal of Prosthodontics Dentistry. 2019; 14 (2); 1-13. http://heb-nic.in/jopd

22. Murugesan Arumugam and Sunil K.Narayan. Rethinking of the concepts: Migraine is an autoimmune disease? Neurology, Psychiatry and Brain Research. Volume 31, February 2019, Pages 20-26.

23. Sunil K Narayan, Murugesan Arumugam and Ravikumar Chittoria; Outcome of human peripheral nerve repair interventions using conduits: a systematic review. October 2018. Journal of the Neurological Sciences. PMID 30391821

24. Dheeraj Khurana, M. Vasantha Padma, Rohit Bhatia, Subhash Kaul, Jeyaraj Pandian, P.N. Sylaja, for Guideline Core Committee, Deepak Arjundas, Ashok Uppal, V.G. Pradeep, Vinit Suri, D. Nagaraja, Anand Alurkar, Sunil Narayan for ISA Executive Committee. Recommendations for the Early Management of Acute Ischemic Stroke: A Consensus Statement for Healthcare Professionals from the Indian Stroke Association. Journal of Stroke Medicine. September 25, 2018. https:// doi.org/10.1177/2516608518777935

25. Aghoram R, Narayan SK. Patterns of transcranial doppler flow velocities in recent ischemic stroke patients. Ann Indian Acad Neurol 2018;21:193-6. PMID: 29687403

26. Narayan SK and Elavarasi A. Endovascular Interventional Management of Cerebral Venous Sinus Thrombosis. Journal of Stroke Medicine. August 24, 2018; 1(1) 28 - 33. https://doi.org/10.1177/2516608518774211.

27. Tirppur C. Ramakrishnan, Kumaravelu S, Narayan SK. et al. Efficacy and Safety of Intravenous Tenecteplase Bolus in Acute Ischemic Stroke: Results of Two Open-Label, Multicenter Trials. Am J Cardiovasc Drugs (2018). PMID: 29948822

28. Abdul Mannan Laskar, Deepashree R, Prasanna Bhat, Biju Pottakkat, Sunil K Narayan, Apurba Sastry, R Sneha. A multimodal intervention to improve hand hygiene in a tertiary care center. May 2018. American Journal of Infection Control 46(7). DOI: 10.1016/j.ajic.2017.12.017; PMID: 29753498

29. Palugulla S, Devaraju P, Kayal S, Narayan SK, Mathaiyan J. Genetic polymorphisms in cyclin H gene are associated with oxaliplatin-induced acute peripheral neuropathy in South Indian digestive tract cancer patients. Cancer Chemother Pharmacol. 2018 Jun 23. doi: 10.1007/s00280-018-3629-1. PMID: 29936608.

30. Sreenivasulu Palugulla, Dimpal N Thakkar, Smita Kayal, Sunil K Narayan, Steven Aibor Dkhar. Association of Voltage-Gated Sodium Channel Genetic Polymorphisms with Oxaliplatin-Induced Chronic Peripheral Neuropathy in South Indian Cancer Patients. Asian Pac J Cancer Prev, 18 (11), 3157-3165. PMID: 29172294

31. Das AM, Lakshmi Ramamoorthy L, Narayan SK, Wadwekar V. Barriers of drug adherence among patients with epilepsy: in tertiary care hospital, South India. J Caring Sci 2018; 7 (4): 177-81. PMID 30607357

32. Aghoram, R. and Narayan, S.K. Progressive multifocal leukoencephalopathy in idiopathic CD4+ lymphocytopenia. J. Neurovirol. (2018). PMID: 30258261

33. Preethi Venkatesan, Maanasa M Bhaskar, Sujatha Sistla, S Badrinath, Sunil K Narayan. Evaluation of immunological and molecular methods for rapid diagnosis of herpes simplex type-1 encephalitis. Journal of Clinical and Diagnostic Research. 2018 Aug, 12(8): 24-27. https://doi.org/10.7860/JCDR/2018/ 36435.11937

34. Sreenivasulu Palugulla, Steven Aibor Dkhar, Smita Kayal, Sunil K Narayan. Oxaliplatin‑induced Peripheral Neuropathy in South Indian Cancer Patients: A Prospective Study in Digestive Tract Cancer Patients. Indian J Med Paediatr Oncol 2017; 38:502-7. DOI: 10.4103/ijmpo.ijmpo_143_17. PMID: 29333020

35. Maurya VP, Rajappa M, Wadwekar V, Narayan SK, Barathi D, Madhugiri VS. Tethered Cord Syndrome-A Study of the Short-Term Effects of Surgical Detethering on Markers of Neuronal Injury and Electrophysiologic Parameters. World Neurosurg.2016 Oct; 94:239-247. PubMed PMID: 27422680.

36. ENOS Trial Investigators, Bath PM, Woodhouse L, Scutt P, Krishnan K, Wardlaw JM, Bereczki D, Sprigg N, Berge E, Beridze M, et al. Efficacy of nitric oxide, with or without continuing antihypertensive treatment, for management of high blood pressure in acute stroke (ENOS): a partial-factorial randomised controlled trial. Lancet. 2015 Feb 14;385 (9968):617-28. PubMed PMID: 25465108.

37. Khilari M, Narayan SK. The National Institute of Health toolbox. Ann Indian Acad Neurol 2014; 17:247-52. PMID: 25221390

38. ENOS Investigators (2014), Baseline characteristics of the 4011 patients recruited into the ‘Efficacy of Nitric Oxide in Stroke’ (ENOS) trial. International Journal of Stroke, 9: 711–720. PMID: 25465108.

39. Priyadharsini R, Shewade DG, Subraja K, Ravindra BK, Umamaheswaran G, Dkhar SA, Satheesh S, Sridhar MG, Narayan SK, Adithan C. Single nucleotide polymorphism of CYP3A5*3 contributes to clopidogrel resistance in coronary artery disease patients among Tamilian population. Mol Biol Rep. 2014 Aug 12. PMID: 25112801

40. Sahu PS, Parija SC, Kumar D, Jayachandran S, Narayan S. Comparative profile of circulating antigenic peptides in CSF, serum & urine from neurocysticercosis patients diagnosed by immunoblotting. Parasite Immunol. 2014 Jun 26. 36(10):509-21; PMID: 24965663

41. Narayan SK, Verman A, Kattimani S, Ananthanarayanan PH, Adithan C. Plasma homocysteine levels in depression and schizophrenia in South Indian Tamilian population. Indian J Psychiatry. 2014 Jan; 56(1):46-53. PMID: 24574558

42. Nair PP, Wadwekar V, Murgai A, Narayan SK. Refractory status epilepticus complicated by drug-induced involuntary movements. BMJ Case Rep. 2014 Feb 11; 2014. PubMed PMID: 24518529

43. Roopesh Kumar VR, Madhugiri VS, Kamalanathan SK, Srinivas BH, Narayan SK, Bidkar P. Complete and curative excision of hypothalamic hamartomas via the orbito-zygomatic approach. Neurol India. 2013 Nov-Dec;61(6):690-1. PubMed PMID: 24441357.

44. Kaliaperumal S, Narayan S. Neuroretinitis: Update on a visual emergency and role of technology in its diagnosis. Journal of Biomedical Science and Engineering. 2013 October 30; 6(10B):15-19. doi: 10.4236/jbise.2013.610A2003.(A technology journal)

45. Subramanian SK, Gaur GS, Narayan SK. Low luminance/eyes closed and monochromatic stimulations reduce variability of flash visual evoked potential latency. Ann Indian Acad Neurol. 2013 Oct;16(4):614-8. PubMed PMID: 24339591.

46. Roopesh Kumar VR, Narayan SK, Madhugiri VS, Sasidharan GM, Gundamaneni SK. Cerebral revascularization with superficial temporal - middle cerebral artery anastomosis for complete carotid occlusion: An emerging modality for preventing recurrent stroke. Ann Indian Acad Neurol. 2013 Oct; 16(4):521-4. PMID: 24339571.

47. Subraja K, Dkhar SA, Priyadharsini R, Ravindra BK, Shewade DG, Satheesh S, Sridhar MG, Narayan SK, Adithan C. Genetic polymorphisms of CYP2C19 influences the response to clopidogrel in ischemic heart disease patients in the South Indian Tamilian population. Eur J ClinPharmacol. 2013 Mar; 69(3):415-22. PubMed PMID: 22955794.

48. Narayan SK, Sivaprasad P, Sharma S, Sahoo RK, Dutta TK. Aetiology and outcome determinants of Intracerebral Hemorrhage (ICH) in a South Indian population, a hospital based study. Ann Indian Acad Neurol 2012; 15:263-6. PMID: 23349590.

49. Senthil Kumar S, Gaur.G.S, Narayan.S.K. Effect of color of flash stimulus on variability of flash visual evoked potential latencies. Indian J Physiol Pharmacol 2012; 56(4): 28–35. PMID: 23781651

50. Aditya Murgai, Pradeep Pankajakshan Nair and Sunil Narayan. Teaching NeuroImages: Neuropathic elbow arthropathy due to Syringomyelia. Neurology 2012; 79; e102. PMID: 22987748

51. Narayan SK, Gorman G, Kalaria RN, Ford GA, Chinnery PF. The minimum prevalence of CADASIL in northeast England. Neurology. 2012 Mar 27; 78(13):1025-7. PMID: 22422895.

52. Narayan SK, Firbank MJ, Saxby BK, Stansby G, Hansrani M, O'Brien JT, Ford GA. Elevated Plasma Homocysteine Is Associated with Increased Brain Atrophy Rates in Older Subjects with Mild Hypertension. Dement Geriatr Cogn Disord. 2011 May18; 31(5):341-348. PMID: 21597295.

53. Narayan SK, Saxby BK, Firbank MJ, O'Brien JT, Harrington F, McKeith IG, Hansrani M, Stansby G, Ford GA. Plasma homocysteine and cognitive decline in older hypertensive subjects. Int Psychogeriatr. 2011 May 6:1-9. PMID: 21554791.

54. Ramasamy K, Narayan SK, Shewade DG, Chandrasekaran A. Influence of CYP2C9genetic polymorphism and undernourishment on plasma-free phenytoin concentrations in epileptic patients. Ther Drug Monit. 2010 Dec; 32(6):762-6. PMID:21068649.

55. Kesavan R, Narayan SK, Adithan C. Influence of CYP2C9 and CYP2C19 genetic polymorphisms on phenytoin-induced neurological toxicity in Indian epileptic patients. Eur J Clin Pharmacol. 2010 Jul; 66(7):689-96. PMID: 20390258.

56. Firbank MJ, Narayan SK, Saxby BK, Ford GA, O'Brien JT. Homocysteine is associated with hippocampal and white matter atrophy in older subjects with mild hypertension. Int Psychogeriatr. 2010 Aug; 22(5):804-11. PMID: 20374668.

57. Narayan SK, Swaroop A, Jayanthi S. Chronic epidural intracranial actinomycosis: A rare case. Ann Indian Acad Neurol. 2009 Jul; 12(3):195-6. PMID: 20174505.

58. Narayan SK, Kumar K, Swaminathan RP, Roopeshkumar VR, Bhavna B. Isolated cerebral aspergilloma in a young immunocompetent patient. Pract Neurol. 2009 Jun; 9(3):166-8. PMID: 19448060.

59. Narayan SK, Sreelakshmi M, Sujatha S, Dutta TK. Anthrax meningoencephalitis--declining trends in an uncommon but catastrophic CNS infection in rural Tamil Nadu, South India. J Neurol Sci. 2009 Jun 15; 281(1-2):41-5. PMID: 19304297.

60. Sahu PS, Parija SC, Narayan SK, Kumar D. Evaluation of an IgG-ELISA strategy using Taenia solium metacestode somatic and excretory-secretory antigens for diagnosis of neurocysticercosis revealing biological stage of the larvae. Acta Trop. 2009 Apr;110(1):38-45. PMID: 19183550.

61. Narayan SK, Sivaprasad P, Sahoo RN, Bhuvaneswari V. Teaching video NeuroImage: Chvostek sign with Fahr syndrome in a patient with hypoparathyroidism. Neurology. 2008 Dec 9;71(24):e79. PubMed PMID: 19064874.

62. Narayan SK, Kaliaperumal S, Srinivasan R. Neuroretinitis, a great mimicker. Ann Indian Acad Neurol. 2008 Apr; 11(2):109-13. PMID: 19893649.

63. Doble Mukesh, Narayan Sunil K. Mathematical Analysis of EEG of Patients with Non-fatal Nonspecific Diffuse Encephalitis. Mathematical Analysis of EEG of Patients with Non-fatal Nonspecific Diffuse Encephalitis. International Journal of Medicine and Medical Sciences. 2008; 3(4):254-260. (Biomedical Technology Journal; indexed from 2009 onwards).

64. Ramasamy K, Narayan SK, Chanolean S, Chandrasekaran A. Severe phenytoin toxicity in a CYP2C9*3*3 homozygous mutant from India. Neurol India. 2007 Oct-Dec; 55(4):408-9. PubMed PMID: 18040121.

65. Narayan SK, Kumar S, Prabhakar P, Elangovan S, Baumann N, Verma IC. Multiple Sclerosis in Keralite siblings after migration to the Middle East: a report of familial Multiple Sclerosis from India. J Neurol Sci. 2007 Sep 15; 260(1-2):244-8. PMID: 17588606.

66. Narayan SK, Kaveer N. CNS demyelination due to hypocupremia in Wilson's disease from overzealous treatment. Neurol India. 2006 Mar; 54 (1):110-1. PMID: 16679666.

67. Narayan SK, Dutta JK. Creutzfeldt-Jakob disease. J Asok Physicians India. ; 53:791-5. Review. PMID: 16334625.

68. Prakash ES, Madan Mohan, Sethuraman KR, Narayan SK. Cardiovascular autonomic regulation in subjects with normal blood pressure, high-normal blood pressure and recent-onset hypertension. Clin Exp Pharmacol Physiol. 2005 May-Jun; 32(5-6):488-94. PubMed PMID: 15854164.

69. Nandigam K, Narayan SK. Time and cost: are they the only contributors to poor rate of stroke thrombolysis. Neurol India. 2004 Dec; 52(4):519. PubMed PMID: 15626859.

70. Prakash ES, Madan Mohan, Narayan SK, Prashanth U, Kamath MG, Udupa K, Sethuraman KR, Srinivasan S, Kumar RA. Tilt table testing in the diagnostic evaluation of presyncope and syncope: a case-series report. Indian J PhysiolPharmacol. 2004 Apr; 48(2):213-8. PubMed PMID: 15521561.

71. Biswas R, Parida SC, Narayan SK. Dot-ELISA for the diagnosis of neurocysticercosis. Rev Inst Med Trop Sao Paulo. 2004 Sep-Oct; 46(5):249-52. PubMed PMID: 15517026.

72. Ghotekar LH, Dutta TK, Narayanan S, Basu D, Dambal A, Vivekanandan. Trigger autoimmunity -development of multiple plexopathy in a patient with chronic idiopathic thrombocytopenic purpura. Neurol India. 2004 Jun;52(2):281-2.PMID: 15269507

73. Nandigam K, Narayan SK, Elangovan S, Dutta TK, Sethuraman KR, Das AK. Feasibility of acute thrombolytic therapy for stroke. Neurol India. 2003 Dec;51(4): 470-3. PubMed PMID: 14742924.

74. Hamide A, Sarkar E, Kumar N, Das AK, Narayan SK, Parija SC. Acanthameba Meningo- encephalitis: a case report. Neurol India. 2002 Dec;50(4):484-6. PubMed PMID: 12577102.

75. Bond R, Narayan SK, Rothwell PM, Warlow CP; European Carotid Surgery Trialists' Collaborative Group. Clinical and radiographic risk factors for operative stroke and death in the European carotid surgery trial. Eur J VascEndovasc Surg. 2002 Feb; 23 (2):108-16. PubMed PMID: 11863327

76. Rothwell PM, Warlow CP. Prediction of benefit from carotid endarterectomy in individual patients: a risk-modelling study. European Carotid Surgery Trialists' Collaborative Group. Lancet. 1999 Jun 19; 353(9170):2105-10. PubMed PMID: 10382694. (Acknowledgement)

77. European Carotid Surgery Trialists’ Collaborative Group. Randomised trial of endarterectomy for recently symptomatic carotid stenosis: final results of the MRC European Carotid Surgery Trial (ECST). The Lancet .Vol 351. May 9, 1998. PMID: 9593407 (All certified collaborators authors).

78. Wardlaw JM, Marshall I, Wild J, Dennis M, Cannon J, Lewis C. Studies of Acute Ischemic Stroke With Proton Magnetic Resonance Spectroscopy. Relation between time of onset, neurological deficit, metabolic abnormalities in the infarct, Blood flow and clinical outcome (Acknowledgement). Stroke. 1998; 29:1618-1624. PMID: 9707203;

79. Narayan SK, Kuruvilla A, Shanmugam J, Radhakrishnan VV. Fast-wave periodic complexes in a mentally retarded child who later developed subacute sclerosing panencephalitis: a modification of a classic EEG by preexisting brain damage? Dev Med Child Neurol. 1997 Nov; 39 (11):766-9. PubMed PMID: 9393892.

80. Narayan SK, Sarada C, Radhakrishnan K, Nair MD, Kartha CC, Neelakandhan KS, Tharakan KJ. Response to thymectomy in South Indian patients with myasthenia gravis. ActaNeurol Scand. 1996 Jul;94(1):63-6. PubMed PMID: 8874596.

81. Radhakrishnan VV, Saraswathy A, Mohan PK, Narayan SK. Necrotizing myelopathy--a report of two cases with review of literature. Indian J Pathol Microbiol. 1994 Oct; 37(4):439-45. Review. PubMed PMID: 7868180.

82. Narayan SK, Philip E, Nair MKC. Neuro developmental sequelae of pyogenic meningitis in children. Neurol India. 1996 Oct-Dec; 44(4):170-176. PubMed PMID: 29542524

83. Narayan S.K. Migraine and its management. Indian journal of Pediatric Neurology. 2002April.221-223.

84. Sunil K Narayan. Current status of stroke care and research in India. Neurolinks. 4.01 Perspectives.2007 (Spring and Summer) www.nsig.org

• Aghoram R, Wadwekar V, Narayan SK, Nair PP, Ramkumar S, Jain S. Neurology Exams during the COVID-19 Pandemic. Ann Indian Acad Neurol. 2021 Jul-Aug;24(4):626-627. doi: 10.4103/aian.AIAN_816_20. Epub 2021 Jan 11. PMID: 34728977;
• Manjubashini D, Nagarajan K, Amuthabarathi M, Papa D, Wadwekar V, Narayan SK. Magnetic Resonance Imaging in Peripartum Encephalopathy: A Pictorial Review. J Neurosci Rural Pract. 2021 Apr;12(2):402-409. doi: 10.1055/s-0041-1727300. Epub 2021 Apr 23. PMID: 33927531;
• Goel A, Sugumaran R, Narayan SK. Zonisamide in Parkinson's disease: a current update. Neurol Sci. 2021 Oct;42(10):4123-4129. doi: 10.1007/s10072-021-05550-2. Epub 2021 Aug 27. PMID: 34448999.
• Das AM, Ramamoorthy L, Narayan SK, Wadvekar V, Harichandrakumar KT. Adherence to Antiepileptic Regime: A Cross-sectional Survey. Neurol India. 2020 Jul-Aug;68(4):856-860. doi: 10.4103/0028-3886.293468. PMID: 32859828.
• Priya DI, Aghoram R, Narayan SK. Neuropsychiatric symptoms among young stroke survivors-frequency, patterns, and associated factors. Neurol Sci. 2021 Dec;42(12):5021-5027. doi: 10.1007/s10072-021-05178-2. Epub 2021 Mar 17. PMID: 33733388.
• Everyday Abilities Scale for India in Screening for Poststroke Dementia Among Young Stroke Survivors. Alzheimer Dis Assoc Disord. 2021 Jul-Sep 01;35(3):275-277.
• Ramaswamy G, Premarajan KC, Kar SS, Narayan SK, Thekkur P. Prevalence and determinants of sleep disorders in a community in rural southern India. Natl Med J India. 2020 May-Jun;33(3):132-136. doi: 10.4103/0970-258X.314002. PMID: 33904415.
• Manuscript ID: IJMR_454_19. “An update on Clinical trials in Stem Cell therapy in ischemic stroke. Accepted in Indian Journal of Medical Research”. ACCEPTED
• Manuscript ID: ANEB-D-21-01392R1. A telephonic survey of health-related quality of life of outpatient department drop out Parkinson's disease patients during the COVID-19 pandemic. Acta Neurologica Belgica. ACCEPTED
• Manuscript ID: NI_573_21. Short-term effect of non-invasive brain stimulation techniques on motor impairment in chronic ischemic stroke: A systematic review with meta-analysis. Noninvasive brain stimulation effect on motor impairment in ischemic stroke; Jayan, Jeshma; Narayan, Sunil; Arumugam, Murugesan. Neurology India. ACCEPTED

Books edited and written (List) :

Narayan SK, Sanchetee P. Selected topics in Tropical Neurology. Publisher: Byword Books; Hardback| 268 pages; Publication date: 10 July 2015; ISBN 10: 8181931173; ISBN 13: 9788181931177

Chapters in Books:

• Narayan.SK. Pathophysiology of Ischemic Stroke. Chapter 2; in Reviews in Neurology. Ed. Lakshmi Narasimhan Ranganathan; Wolters Kluwer. ISSN: in Indian Academy of Neurology. ISSN 0971-5924; ISBN 978-973-893-35.
• Narayan S K. Imaging in diagnosis of Rabies (chapter). ‘Human Rabies’ edited by JaminiKanta Dutta. P 64-78. Sradha publications, Balasur, India.2005
• Narayan SK. Controversies in Genetic testing: CME book, Indian Academy of Neurology 2010.
• Narayan SK, Adithan C, Chinnery PF. Neurogenetics, an update. CME book, Neurological Society of India. 2011.
• Sushma S, Narayan S. Central Nervous System Infections in Elderly. 467-478. Ch.95; Section 14; Neurology. In Testbook of Geriatric Medicine. Ed. Pratap Sanchetee. Paras Medical Publisher, New Delhi 2014.
• Sunil K Narayan. Epigenetics in Tropical Neurology; Chapter 14. In “Selected Topics in Tropical Neurology”; Byword books. July 2015; ISBN 10: 8181931173; ISBN 13: 9788181931177

Authorship/contributions in National Health guidelnes:

1.Dr. Kameshwar Prasad, Professor & Head, Neurology, All India Institute of Medical Science, New Delhi • Dr. M. V. Padma Srivastava, Professor, Neurology, All India Institute of Medical Science, New Delhi • Dr. Sunil Narayan, Professor & Head, Neurology, JIPMER, Puduchery et al. Guidelines for Prevention and Management of Stroke: National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases & Stroke (NPCDCS); Directorate General of Health Services Ministry of Health and Family Welfare Government of India 2019 https://mohfw.gov.in/sites/default/files/Guidelines%20for%20Prevention%2...

2.Febrile Seizures. Narayan SK, Proceedings of 2nd SAARC meeting on Reduction of Childhood Neuromorbidity 2002, P.29-31. Ministry of external affairs, Department of Science & Technology, Government of India.

3.Neurogenetics. IAN Year book of Neurology 2021. Jay-Pee Publishers