NandakumarNarayananMD

Neurology • Cedar Rapids, IA

Assistant Professor, Neurology, University of Iowa College of Medicine

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Office
5264 Council St NE
Cedar Rapids, IA 52402
Phone+1 319-398-6011

Fax+1 319-398-6912
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Education & Training

Yale-New Haven Medical CenterResidency, Neurology, 2009 - 2012
Yale-New Haven Medical CenterInternship, Internal Medicine, 2008 - 2009
Yale School of MedicineClass of 2008

Certifications & Licensure

IA State Medical License 2012 - 2024
American Board of Psychiatry and Neurology Neurology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013

Publications & Presentations

PubMed

Rurality modifies the association between symptoms and the diagnosis of amyotrophic lateral sclerosis.
Hart, A., Simmering, J., Swenson, A., Narayanan, N.> ;Amyotrophic Lateral Sclerosis & Frontotemporal Degeneration. 2024 Feb 14
Mice Expressing A53T/A30P Mutant Alpha-Synuclein in Dopamine Neurons Do Not Display Behavioral Deficits.
Keomanivong, C., Schamp, J., Tabakovic, E., Thangavel, R., Aldridge, G., Pieper, A., Narayanan, N.> ;Eneuro. 2024 Feb 1
Resting-state EEG measures cognitive impairment in Parkinson's disease.
Md Fahim Anjum, Arturo I Espinoza, Rachel C Cole, Arun Singh, Patrick May, Ergun Y Uc, Soura Dasgupta, Nandakumar S Narayanan> ;NPJ Parkinson's Disease. 2024 Jan 3
Alpha-Synuclein Pre-Formed Fibrils Injected into Prefrontal Cortex Primarily Spread to Cortical and Subcortical Structures.
Weber, M., Kerr, G., Thangavel, R., Conlon, M., Gumusoglu, S., Gupta, K., Abdelmotilib, H., Halhouli, O., Zhang, Q., Geerling, J., Narayanan, N., Aldridge, G.> ;Journal of Parkinson's Disease. 2024 Jan 1
1 citations
Salience network and cognitive impairment in Parkinson's disease.
Brooke E Yeager, Hunter P Twedt, Joel Bruss, Jordan Schultz, Nandakumar S Narayanan> ;Medrxiv. 2023 Oct 14
1 citations
Does Black vs. White race affect practitioners' appraisal of Parkinson's disease?
Shana Harris, Nandakumar S Narayanan, Daniel Tranel> ;NPJ Parkinson's Disease. 2023 Jul 7
4 citations
Evoked mid-frontal activity predicts cognitive dysfunction in Parkinson's disease.
Arun Singh, Rachel C Cole, Arturo I Espinoza, Jan R Wessel, James F Cavanagh, Nandakumar S Narayanan> ;Journal of Neurology, Neurosurgery, and Psychiatry. 2023 Nov 1
Alpha-synuclein pre-formed fibrils injected into prefrontal cortex primarily spread to cortical and subcortical structures and lead to isolated behavioral symptoms.
Matthew A Weber, Gemma Kerr, Ramasamy Thangavel, Mackenzie M Conlon, Hisham A Abdelmotilib, Oday Halhouli, Qiang Zhang, Joel C Geerling, Nandakumar S Narayanan, Georgi...> ;Biorxiv. 2023 May 15
1 citations
A Pilot Study of Ex Vivo Human Prefrontal RNA Transcriptomics in Parkinson's Disease.
Li-Chun Lin, Rachel C Cole, Jeremy D W Greenlee, Nandakumar S Narayanan> ;Cellular and Molecular Neurobiology. 2023 Aug 1
1 citations
Resting-state EEG measures cognitive impairment in Parkinson's disease.
Md Fahim Anjum, Arturo Espinoza, Rachel Cole, Arun Singh, Patrick May, Ergun Uc, Soura Dasgupta, Nandakumar Narayanan> ;Research Square. 2023 Mar 20
8 citations
Glycolysis-enhancing α-adrenergic antagonists modify cognitive symptoms related to Parkinson's disease.
Matthew A Weber, Kartik Sivakumar, Ervina E Tabakovic, Mayu Oya, Georgina M Aldridge, Qiang Zhang, Jacob E Simmering, Nandakumar S Narayanan> ;NPJ Parkinson's Disease. 2023 Mar 2
3 citations
The timing database: An open-access, live repository for interval timing studies.
Turaç Aydoğan, Hakan Karşılar, Yalçın Akın Duyan, Başak Akdoğan, Alessia Baccarani, Renaud Brochard, Benjamin De Corte, Jonathon D Crystal, Bilgehan Çavdaroğlu, Charle...> ;Behavior Research Methods. 2024 Jan 1
3 citations
Phase-adaptive brain stimulation of striatal D1 medium spiny neurons in dopamine-depleted mice.
Youngcho Kim, Dennis Jung, Mayu Oya, Morgan Kennedy, Tomas Lence, Stephanie L Alberico, Nandakumar S Narayanan> ;Scientific Reports. 2022 Dec 16
6 citations
Use of Glycolysis-Enhancing Drugs and Risk of Parkinson's Disease.
Jacob E Simmering, Michael J Welsh, Jordan Schultz, Nandakumar S Narayanan> ;Movement Disorders. 2022 Nov 1
5 citations
Activity in a prefrontal-periaqueductal gray circuit overcomes behavioral and endocrine features of the passive coping stress response.
Shane B Johnson, Ryan T Lingg, Timothy D Skog, Dalton C Hinz, Sara A Romig-Martin, Victor Viau, Nandakumar S Narayanan, Jason J Radley> ;Proceedings of the National Academy of Sciences of the United States of America. 2022 Nov 1
4 citations
Intoxicating effects of alcohol depend on acid-sensing ion channels.
Gail I S Harmata, Aubrey C Chan, Madison J Merfeld, Rebecca J Taugher-Hebl, Anjit K Harijan, Jason B Hardie, Rong Fan, Jeffrey D Long, Grace Z Wang, Brian J Dlouhy, Am...> ;Neuropsychopharmacology. 2023 Apr 1
5 citations
Mice expressing P301S mutant human tau have deficits in interval timing.
Travis Larson, Vaibhav Khandelwal, Matthew A Weber, Mariah R Leidinger, David K Meyerholz, Nandakumar S Narayanan, Qiang Zhang> ;Behavioural Brain Research. 2022 Aug 26
6 citations
Quantifying the inverted U: A meta-analysis of prefrontal dopamine, D1 receptors, and working memory.
Matthew A Weber, Mackenzie M Conlon, Hannah R Stutt, Linder Wendt, Patrick Ten Eyck, Nandakumar S Narayanan> ;Behavioral Neuroscience. 2022 Jun 1
Novelty-induced frontal-STN networks in Parkinson's disease.
Rachel C Cole, Arturo I Espinoza, Arun Singh, Joel I Berger, James F Cavanagh, Jan R Wessel, Jeremy D Greenlee, Nandakumar S Narayanan> ;Cerebral Cortex. 2022 Dec 20
6 citations
COVID-19-associated necrotizing encephalopathy presenting without active respiratory symptoms: a case report with histopathology.
Leigh A Rettenmaier, Kyle S Conway, Nandakumar Narayanan, Christopher L Groth, Abdel-Wahed, L., Abdelmotilib, H.> ;Journal of Neurovirology. 2022 Feb 1
4 citations
The voltage-gated Ca2+ channel subunit α2δ-4 regulates locomotor behavior and sensorimotor gating in mice.
Annette Klomp, Ryotaro Omichi, Yoichiro Iwasa, Richard J Smith, Yuriy M Usachev, Andrew F Russo, Nandakumar S Narayanan, Amy Lee> ;Plos One. 2022 Jan 1
3 citations
Neuromodulation of cognition in Parkinson's disease.
Rachel C Cole, Derrick N Okine, Brooke E Yeager, Nandakumar S Narayanan> ;Progress in Brain Research. 2022 Jan 1
1 citations
The way forward for cognition in Parkinson's disease.
Nandakumar S Narayanan, Roger L Albin> ;Progress in Brain Research. 2022 Jan 1
3 citations
A pilot study of machine learning of resting-state EEG and depression in Parkinson's disease.
Arturo I Espinoza, Patrick May, Md Fahim Anjum, Arun Singh, Rachel C Cole, Nicholas Trapp, Soura Dasgupta, Nandakumar S Narayanan> ;Clinical Parkinsonism & Related Disorders. 2022 Jan 1
11 citations
A pilot to assess target engagement of terazosin in Parkinson's disease
Jordan L. Schultz, Alivia N. Brinker, Jia Xu, Sarah E. Ernst, Fariba Tayyari, Lei Liu, Ergun Y. Uc, Eric B. Taylor, Jacob E. Simmering, Vincent A. Magnotta, Michael J....> ;Parkinsonism & Related Disorders. 2021 Nov 27
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Journal Articles

Prefrontal D1 Dopamine-Receptor Neurons and Delta Resonance in Interval Timing
Nandakumar Narayanan, MD, Cerebral Cortex

Press Mentions

New Iowa Center for Neurodegeneration to Spur Research Breakthroughs in Alzheimer’s, Parkinson’s and MoreNovember 4th, 2021
Match Day 2020: Not Even COVID-19 Could Stop These Future NeurologistsApril 16th, 2020
From the bioRxiv: A Selection of Recently Posted Papers from SCGB Investigators and OthersApril 14th, 2020
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Hospital Affiliations

Genesis Medical Center - DavenportDavenport, Iowa
University of Iowa Hospitals and ClinicsIowa City, Iowa