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Advanced Neurology Evoked potential response in parkinsonian syndromes

axonal variety in the visual, auditory, and somatosensory Availability of data
pathways. Despite being predominantly motor disorders,
these diseases are also tied with profound non- Data used in this work are available from the corresponding
motor components, necessitating assessments of the author upon reasonable request.
electrophysiological abnormalities, which have been found References
to correlate with disease severity and disease duration. The
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Acknowledgments Neurol Neurosurg Psychiatry 44: 227–232.
None. https://doi.org/10.1136/jnnp.44.3.227
5. Gelb DJ, Oliver E, Gilman S, 1999, Diagnostic criteria for
Funding Parkinson’s disease, Arch Neurol, 56: 33–39.
None. https://doi.org/10.1001/archneur.56.1.33
Conflict of interest 6. Williams DR, Lees AJ, 2009, Progressive supranuclear palsy:
Clinicopathological concepts and diagnostic challenges,
The authors declare that they have no competing interests. Lancet Neurol, 8: 270–279.

Author contributions https://doi.org/10.1016/S1474-4422(09)70042-0
7. Gilman S, Wenning GK, Low PA, et al., 2008, Second
Conceptualization: Manoj Roy, Amar Kumar Misra, consensus statement on the diagnosis of multiple system
Formal analysis: Joydeep Mukherjee, Jasodhara Chaudhuri atrophy, Neurology, 71: 670–676.
Investigation: Manoj Roy, Manamita Mandal, Bijendra https://doi.org/10.1212/01.wnl.0000324625.00404.15
Mohanty
Methodology: Manoj Roy, Amar Kumar Misra, Joydeep 8. Kertesz A, Blair M, McMonagle P, et al., 2007, The diagnosis
Mukherjee and course of frontotemporal dementia, Alzheimer Dis Assoc
Writing – original draft: Manoj Roy, Joydeep Mukherjee Disord, 21: 155–163.
Writing – review & editing: Amar Kumar Misra, Joydeep https://doi.org/10.1097/WAD.0b013e31806547eb
Mukherjee, Kartik Chandra Ghosh 9. McKeith IG, Galasko D, Kosaka K, et al., 1996, Consensus
guidelines for the clinical and pathologic diagnosis of
Ethics approval and consent to participate dementia with Lewy bodies (DLB): Report of the consortium
This study was approved by the NRS Medical College on DLB international workshop, Neurology, 47: 1113–1124.
Institutional Ethics Committee (NMC/958). https://doi.org/10.1212/wnl.47.5.1113
Informed consent was taken from all participants 10. Liu C, Zhang Y, Tang W, et al., 2017, Evoked potential
before enrolment. changes in patients with Parkinson’s disease, Brain Behav, 7:
e00703.
Consent for publication https://doi.org/10.1002/brb3.703
We obtained informed consent of the study subjects for 11. Inzelberg R, Ramirez JA, Nisipeanu P, et al., 2004, Retinal
publishing their data without revealing their identity in nerve fiber layer thinning in Parkinson disease, Vision Res,
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