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R. Nandhagopal · SciRah

Researcher profile · Semantic Scholar

R. Nandhagopal

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R. Nandhagopal — researcher profile on SciRah

h-index: 17
Works: 73
Citations: 1,181

Most-cited papers

Longitudinal progression of sporadic Parkinson's disease: a multi-tracer positron emission tomography study.
R. Nandhagopal, L. Kuramoto, M. Schulzer, E. Mak +11 more
2009Brain : a journal of neurology255 citations
Semantic Scholar
Longitudinal evolution of compensatory changes in striatal dopamine processing in Parkinson's disease.
R. Nandhagopal, L. Kuramoto, M. Schulzer, E. Mak +7 more
2011Brain : a journal of neurology162 citations
Semantic Scholar
Dopamine turnover increases in asymptomatic LRRK2 mutations carriers
V. Sossi, R. de la Fuente-Fernández, R. Nandhagopal, M. Schulzer +6 more
2010Movement Disorders119 citations
Semantic Scholar
Progression of dopaminergic dysfunction in a LRRK2 kindred
R. Nandhagopal, E. Mak, M. Schulzer, J. McKenzie +7 more
2008Neurology114 citations Open access
Semantic Scholar
Invited Article: Functional imaging in Parkinson disease
R. Nandhagopal, M. McKeown, A. Stoessl
2008Neurology74 citations
Semantic Scholar
Intravenous levetiracetam vs phenytoin for status epilepticus and cluster seizures: A prospective, randomized study.
A. Gujjar, R. Nandhagopal, P. Jacob, Abdulhakeem Al-Hashim +3 more
2017Seizure55 citations Open access
Semantic Scholar
The Nature of Progression in Parkinson’s Disease: An Application of Non-Linear, Multivariate, Longitudinal Random Effects Modelling
L. Kuramoto, J. Cragg, R. Nandhagopal, E. Mak +4 more
2013PLoS ONE35 citations Open access
Semantic Scholar
Response to heat pain stimulation in idiopathic Parkinson's disease.
R. Nandhagopal, A. Troiano, E. Mak, M. Schulzer +2 more
2010Pain medicine (Malden, Mass.)35 citations Open access
Semantic Scholar
Full Outline of UnResponsiveness score and Glasgow Coma Scale in medical patients with altered sensorium: interrater reliability and relation to outcome.
A. Gujjar, P. C. Jacob, R. Nandhagopal, Shyam S. Ganguly +2 more
2013Journal of critical care31 citations
Semantic Scholar
Neuromyelitis optica: an overview
R. Nandhagopal, A. Al-Asmi, A. Gujjar
2010Postgraduate medical journal28 citations
Semantic Scholar
Thalamic disequilibrium syndrome after thrombolytic therapy for acute myocardial infarction
R. Nandhagopal, Bhuma Vengamma, S. Krishnamoorthy, D. Rajasekhar +1 more
2005Neurology28 citations
Semantic Scholar
Generalised convulsive status epilepticus: an overview
R. Nandhagopal
2006Postgraduate medical journal25 citations Open access
Semantic Scholar
Acute drug overdose: clinical profile, etiologic spectrum and determinants of duration of intensive medical treatment.
B. Jayakrishnan, A. Al Asmi, A. Al Qassabi, R. Nandhagopal +1 more
2012Oman Medical Journal23 citations Open access
Semantic Scholar
Spinocerebellar ataxia with axonal neuropathy type 1 revisited.
Patrick Scott, Adil H. Al Kindi, Amira Al-fahdi, Naeema Al Yarubi +3 more
2019Journal of clinical neuroscience21 citations
Semantic Scholar
Misdiagnosis of Myasthenia Gravis and Subsequent Clinical Implication: A case report and review of literature.
A. Al-Asmi, R. Nandhagopal, P. C. Jacob, A. Gujjar
2012Sultan Qaboos University Medical Journal18 citations Open access
Semantic Scholar
Eight-and-a-half syndrome
R. Nandhagopal, S. Krishnamoorthy
2006Journal of Neurology Neurosurgery & Psychiatry18 citations Open access
Semantic Scholar
Recessive distal motor neuropathy with pyramidal signs in an Omani kindred: underlying novel mutation in the SIGMAR1 gene
R. Nandhagopal, Douja Meftah, Sami Al-Kalbani, Patrick Scott
2018European Journal of Neurology17 citations
Semantic Scholar
Neuromyelitis optica spectrum disorders in Arabian Gulf (NMOAG); establishment and initial characterization of a patient registry.
E. Shosha, A. Al Asmi, E. Nasim, J. Inshasi +26 more
2020Multiple Sclerosis and Related Disorders14 citations
Semantic Scholar
Callosal warning syndrome.
R. Nandhagopal, A. Al-Asmi, W. Johnston, P. C. Jacob +1 more
2012Journal of Neurological Sciences12 citations
Semantic Scholar
Tigroid and leopard skin pattern of dysmyelination in metachromatic leucodystrophy
R. Nandhagopal, S. Krishnamoorthy
2005Journal of Neurology Neurosurgery & Psychiatry12 citations Open access
Semantic Scholar
Epidemiology of multiple sclerosis in the Sultanate of Oman: A hospital based study.
Marwa Al Senani, A. Al-Salti, R. Nandhagopal, I. Al-Zakwani +4 more
2021Multiple Sclerosis and Related Disorders11 citations
Semantic Scholar
Idiopathic intracranial hypertension presenting as postpartum headache
M. Mathew, A. Salahuddin, N. R. Mathew, R. Nandhagopal
2016Neurosciences8 citations Open access
Semantic Scholar
Varicella Zoster Virus Pneumonitis and Brainstem Encephalitis Without Skin Rash in an Immunocompetent Adult
R. Nandhagopal, N. Khmeleva, B. Jayakrishnan, Teresa M. White +11 more
2014Open Forum Infectious Diseases8 citations Open access
Semantic Scholar
Nocardia brain abscess.
R. Nandhagopal, Z. Al-Muharrmi, A. Balkhair
2014QJM : monthly journal of the Association of Physicians8 citations
Semantic Scholar
A candidate loss-of-function variant in SGIP1 causes synaptic dysfunction and recessive parkinsonism
M. Decet, Patrick Scott, S. Kuenen, Douja Meftah +13 more
2024Cell Reports Medicine7 citations Open access
Semantic Scholar
Predictive Value of Short-Term EEG Recording in Critically ill Adult Patients
Rajesh Poothrikovil, A. Gujjar, A. Al-Asmi, R. Nandhagopal +1 more
2015The Neurodiagnostic Journal6 citations
Semantic Scholar
Neurological picture. Eight-and-a-half syndrome.
R. Nandhagopal, S. Krishnamoorthy
2006Journal of Neurology Neurosurgery & Psychiatry6 citations
Semantic Scholar
STUDY ON PERFORMANCE EVALUATION OF MUTUAL FUND SCHEMES IN INDIA DURING PRE-RECESSION, RECESSION AND POST-RECESSION PERIOD
R. Nandhagopal
20124 citations
Semantic Scholar
Encephalopathy mimicking non-convulsive status Epilepticus
R. Nandhagopal, F. Al-Murshedi, M. Al-Busaidi, Amna Al-Busaidi
2018Neurosciences3 citations Open access
Semantic Scholar
Ischemic stroke outcomes in Oman: experience of a university-hospital based stroke registry
A. Gujjar, R. Nandhagopal, P. Jacob, F. Al Azri +3 more
20153 citations Open access
Semantic Scholar
Therapeutic antiepileptic drug monitoring pattern in a tertiary care hospital in Oman
A. Al Asmi, Rowayda Ahmed, S. Al-Masrouri, R. Nandhagopal +1 more
20123 citations Open access
Semantic Scholar
CADASIL - Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy.
R. Nandhagopal
2011Sultan Qaboos University Medical Journal3 citations
Semantic Scholar
Coexistence of cerebral tubers with neurocysticercosis.
R. Nandhagopal
2010Southern medical journal (Birmingham, Ala. Print)3 citations
Semantic Scholar
Spinal Cord Infarction following Abdominal Surgery and Postoperative Epidural Analgaesia.
A. Al-Asmi, R. John, R. Nandhagopal, P. C. Jacob +2 more
2010Sultan Qaboos University Medical Journal3 citations Open access
Semantic Scholar
Serial FOUR Score and Glasgow Coma Score in Critically Ill Medical Patients: Relation to Outcome (P02.212)
A. Gujjar, P. C. Jacob, R. Nandhagopal, S. Ganguly +2 more
20122 citations
Semantic Scholar
A young adult with seizure and visual field defect.
R. Nandhagopal, A. Al-Asmi
2011Neurosciences2 citations
Semantic Scholar
Clinico-electrographic characteristics and classification of genetic generalized epilepsy in Oman.
A. Al-Asmi, Rajesh Poothrikovil, R. Nandhagopal, I. Al-Zakwani +3 more
2020Epilepsy Research1 citations
Semantic Scholar
Prevalence of Sleep-Disordered Breathing During Routine Electroencephalogram (EEG): A Hospital-Based Descriptive Study
Rajesh Poothrikovil, A. Al Asmi, R. Nandhagopal, M. A. Al Abri
2017The Neurodiagnostic Journal1 citations
Semantic Scholar
Treatable Neuropsychiatric Syndrome of Catatonia: A Case Review from Oman
H. Al Sinawi, R. Nandhagopal, Amr El Guenedi, Y. Obaid +1 more
2013Oman Medical Journal1 citations
Semantic Scholar
Acquired crossed aphasia in a dextral.
R. Nandhagopal
2011Sultan Qaboos University Medical Journal1 citations
Semantic Scholar
Gliomatosis cerebri.
R. Nandhagopal, A. Al-Asmi, G. R. Arunodaya, P. C. Jacob +2 more
2011QJM : monthly journal of the Association of Physicians1 citations
Semantic Scholar
A Qos-Aware Context Construction And Discovery For Mobile Context Services In Next Generation Networks
R. Nandhagopal, C. Chandrasekar
20101 citations
Semantic Scholar
Medial medullary infarction
R. Nandhagopal, S. Krishnamoorthy, D. Srinivas
2006Journal of Neurology Neurosurgery & Psychiatry1 citations Open access
Semantic Scholar
Neurological picture. Medial medullary infarction.
R. Nandhagopal, S. Krishnamoorthy, D. Srinivas
2006Journal of Neurology Neurosurgery & Psychiatry1 citations
Semantic Scholar
The Case of a 40‐Year‐Old Man With New‐Onset Status Epilepticus in the Setting of HIV Infection
V. Akhil, R. Nandhagopal
2026Annals of Clinical and Translational Neurology0 citations Open access
Semantic Scholar
Cerebral venous thrombosis-related stroke in India: Clinical patterns, risk factors, and outcomes from the hospital-based stroke registry programme
Deepadarshan Huliyappa, Prathyusha P. V., V. Sardana, G. B. Kulkarni +11 more
2026The Indian journal of medical research0 citations Open access
Semantic Scholar
Patients with dual stroke mechanisms: Outcomes in a university hospital stroke registry
Arunodaya R. Gujjar, D. Lal, S. Kumar, R. Nandhagopal +2 more
2019Journal of Neurological Sciences0 citations
Semantic Scholar
Seizure types and electroencephalographic changes among attendees at tertiary care neurology unit in Oman with idiopathic generalized epilepsy (IGE)
A. Al-Asmi, Rajesh Poothrikovil, A. AlFutaisi, R. Nandhagopal +1 more
2019Journal of Neurological Sciences0 citations Open access
Semantic Scholar
Proximal muscle weakness and skin rash
R. Nandhagopal, S. Al-Jahdhami, A. Gujjar
2018British medical journal0 citations
Semantic Scholar
Hand movement in autism spectrum disorder: Answer
R. Nandhagopal, Douglas Friday, S. Weiss
20170 citations Open access
Semantic Scholar

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A. Al-Asmi×17
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A. Al-Asmi — researcher profile on SciRah
A. Gujjar×12
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A. Gujjar — researcher profile on SciRah
M. Schulzer×6
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M. Schulzer — researcher profile on SciRah
A. Stoessl×6
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A. Stoessl — researcher profile on SciRah

S. Krishnamoorthy

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E. Mak — researcher profile on SciRah

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V. Sossi — researcher profile on SciRah

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A. Al Asmi — researcher profile on SciRah

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J. McKenzie — researcher profile on SciRah

R. de la Fuente-Fernández×4

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Rajesh Poothrikovil×4

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