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Joaquin A. Vizcarra

Research Assistant Professor

Biostats, Health Inform & Data Sci | College of Medicine

Education/Credentials
  • Master of Science of Translational Research: University of Pennsylvania (Bioinformatics)
  • Fellowship: Perelman School of Medicine at the University of Pennsylvania (Movement Disorders)
  • Residency: Emory University School of Medicine (Adult Neurology)
  • Medical Doctor: Universidad Peruana Cayetano Heredia
Board Certifications & Licenses

American Board of Psychiatry and Neurology (Neurology) (Certification Date: 2023-09-11)

Specialties

Neurology

Contact Information

Clinical Interests

Movement Disorders

Neurology

Ataxia

Bell's Palsy

Cataplexy

Catatonia

Chorea

Corticobasal Degeneration (CBD)

Dementia

Dyskinesias

Dystonia

Essential Tremor (ET)

Gait Disorders

Hemifacial Spasm

Huntington's Disease

Hyperkalemic Periodic Paralysis

Lewy Body Dementia

Lewy Body Disease

Multiple System Atrophy (MSA)

Muscle Rigidity

Muscle Spasticity

Normal Pressure Hydrocephalus

Paraparesis

Parkinson's Hypophonia (Bowing/Atrophy)

Posterior Cortical Atrophy

Prion Disease

Psychomotor Disorders

Sensory Ataxia

Serotonin Syndrome

Spinocerebellar Ataxia (SCA)

Spinocerebellar Degenerations

Stiff-Person Syndrome

Subacute Combined Degeneration

Tauopathies

Tay-Sachs Disease

TDP-43 Proteinopathies

Tics and Tourette Syndrome

Tremors

Tropical Spastic Paraparesis

Vascular Cognitive Impairment

Vascular Dementia

Wernicke Encephalopathy

Peer Reviewed Publications

Rábano-Suárez, Pablo; Monje, Mariana H G; Vizcarra, Joaquín A; Paul, Serene S; Avión, Sabela; Morse, Michael; Skorvanek, Matej; Tosin, Michelle H S; Fuller, Rebecca L M; Turner, Travis H; Dekker, Marieke C J; Hall, Deborah A; Bergmann, Ken; Cedarbaum, Jesse M; Maetzler, Walter; Espay, Alberto J; Martínez-Martín, Pablo; Stebbins, Glenn T; Mestre, Tiago A; Sánchez-Ferro, Álvaro 2026. MDS PD e-Diary: A New Patient-Centered Digital Tool in Development for People with Parkinson's Disease. Movement disorders clinical practice, 13 4, 1020-1025

Sturchio, Andrea; Rocha, Emily M; Kauffman, Marcelo A; Marsili, Luca; Mahajan, Abhimanyu; Saraf, Ameya A; Vizcarra, Joaquin A; Guo, Ziyuan; Espay, Alberto J 2024. Recalibrating the Why and Whom of Animal Models in Parkinson Disease: A Clinician's Perspective. Brain sciences, 14 2,

Sturchio, Andrea; Marsili, Luca; Vizcarra, Joaquin A; Dwivedi, Alok K; Kauffman, Marcelo A; Duker, Andrew P; Lu, Peixin; Pauciulo, Michael W; Wissel, Benjamin D; Hill, Emily J; Stecher, Benjamin; Keeling, Elizabeth G; Vagal, Achala S; Wang, Lily; Haslam, David B; Robson, Matthew J; Tanner, Caroline M; Hagey, Daniel W; El Andaloussi, Samir; Ezzat, Kariem; Fleming, Ronan M T; Lu, Long J; Little, Max A; Espay, Alberto J 2020. Phenotype-Agnostic Molecular Subtyping of Neurodegenerative Disorders: The Cincinnati Cohort Biomarker Program (CCBP). Frontiers in aging neuroscience, 12 , 553635

Berman B.D.; Groth C.L.; Sillau S.H.; Richardson S.P.; Norris S.A.; Junker J.; Brüggemann N.; Agarwal P.; Barbano R.L.; Espay A.J.; Vizcarra J.A.; Klein C.; Bäumer T.; Loens S.; Reich S.G.; Vidailhet M.; Bonnet C.; Roze E.; Jinnah H.A.; Perlmutter J.S. 12-17-2019. Risk of spread in adult-onset isolated focal dystonia: a prospective international cohort study Journal of Neurology Neurosurgery and Psychiatry, 91 3, 314-320

Lin Y.; Amokrane N.; Worley S.; Moore L.R.; Rosen A.; Crespo L.P.; Trace K.; Ashizawa T.; Billnitzer A.; Perlman S.; Fisher A.; Bushara K.; Geschwind M.D.; Dietiker C.; Gomez C.M.; Padmanaban M.; Opal P.; Akhtar R.S.; Paulson H.; Srinivasan S.; Ferng A.; Ferrari F.; Onyike C.U.; Fishman A.; Ying S.; Paul A.; Schmahmann J.D.; Stephen C.D.; Gupta A.; Lin C.C.; Subramony S.H.; Burns M.; Wilmot G.; Duquette A.; Zesiewicz T.; Davis M.Y.; Hamedani A.G.; Vizcarra J.A.; Pulst S.M.; Primeaux S.; Rummey C.; Öz G.; Shakkottai V.; Rosenthal L.S.; Kuo S.H. 12-01-2025. Correction: The Natural History Study and Biomarker Collection of the Clinical Research Consortium f Cerebellum, 24 6,

Vizcarra J.A.; Yarlagadda S.; Xie K.; Ellis C.A.; Spindler M.; Hammer L.H. 12-01-2024. Artificial Intelligence in the Diagnosis and Quantitative Phenotyping of Hyperkinetic Movement Disor Journal of Clinical Medicine, 13 23,

Merola A.; Sturchio A.; Hacker S.; Serna S.; Vizcarra J.A.; Marsili L.; Fasano A.; Espay A.J. 11-02-2018. Technology-based assessment of motor and nonmotor phenomena in Parkinson disease Expert Review of Neurotherapeutics, 18 11, 825-845

Pilotto A.; Romagnolo A.; Tuazon J.A.; Vizcarra J.A.; Marsili L.; Zibetti M.; Rosso M.; Rodriguez-Porcel F.; Borroni B.; Rizzetti M.C.; Rossi C.; Vizcarra-Escobar D.; Molano J.R.; Lopiano L.; Ceravolo R.; Masellis M.; Espay A.J.; Padovani A.; Merola A. 11-01-2019. Orthostatic hypotension and REM sleep behaviour disorder: Impact on clinical outcomes in ?-synuclein Journal of Neurology Neurosurgery and Psychiatry, 90 11, 1257-1263

Espay A.J.; Guskey M.T.; Norton J.C.; Coate B.; Vizcarra J.A.; Ballard C.; Factor S.A.; Friedman J.H.; Lang A.E.; Larsen N.J.; Andersson C.; Fredericks D.; Weintraub D. 11-01-2018. Pimavanserin for Parkinson's Disease psychosis: Effects stratified by baseline cognition and use of Movement Disorders, 33 11, 1769-1776

Vizcarra J.A.; Paul R.A.; Hamedani A.G.; Lynch D.R.; Aamodt W.W. 10-24-2023. Clinical Reasoning: A 48-Year-Old Man With Spasticity and Progressive Ataxia Neurology, 101 17, E1747-E1752

Sturchio A.; Marsili L.; Vizcarra J.A.; Dwivedi A.K.; Kauffman M.A.; Duker A.P.; Lu P.; Pauciulo M.W.; Wissel B.D.; Hill E.J.; Stecher B.; Keeling E.G.; Vagal A.S.; Wang L.; Haslam D.B.; Robson M.J.; Tanner C.M.; Hagey D.W.; El Andaloussi S.; Ezzat K.; Fleming R.M.T.; Lu L.J.; Little M.A.; Espay A.J. 10-08-2020. Phenotype-Agnostic Molecular Subtyping of Neurodegenerative Disorders: The Cincinnati Cohort Biomark Frontiers in Aging Neuroscience, 12 ,

Lin Y.; Amokrane N.; Worley S.; Moore L.R.; Rosen A.; Crespo L.P.; Trace K.; Ashizawa T.; Billnitzer A.; Perlman S.; Fisher A.; Bushara K.; Geschwind M.D.; Dietiker C.; Gomez C.M.; Padmanaban M.; Opal P.; Akhtar R.S.; Paulson H.; Srinivasan S.; Ferng A.; Ferrari F.; Onyike C.U.; Fishman A.; Ying S.; Paul A.; Schmahmann J.D.; Stephen C.D.; Gupta A.; Lin C.C.; Subramony S.H.; Burns M.; Wilmot G.; Duquette A.; Zesiewicz T.; Davis M.Y.; Hamedani A.G.; Vizcarra J.A.; Pulst S.M.; Primeaux S.; Öz G.; Shakkottai V.G.; Rosenthal L.S.; Kuo S.H. 10-01-2025. The Natural History Study and Biomarker Collection of the Clinical Research Consortium for the Study Cerebellum, 24 5,

Merola A.; Torres-Russotto D.R.; Stebbins G.T.; Vizcarra J.A.; Shukla A.W.; Hassan A.; Marsili L.; Krauss J.K.; Elble R.J.; Deuschl G.; Espay A.J. 10-01-2020. Development and Validation of the Orthostatic Tremor Severity and Disability Scale (OT-10) Movement Disorders, 35 10, 1796-1801

Vizcarra D.R.; Cruz A.G.; Rojas E.; Mori N.; Caparó C.; Castañeda C.C.; Castro S.; Gavidia J.M.; González O.; Huertas M.; Meza M.; Montalván V.; Rivara A.; Adrianzén F.; Duque K.; Serván S.A.; Villafuerte B.J.; Vizcarra J.A.; Zamudio R.; Neira E.R.; Carrá A.; Fernández O.; Rivera V. 10-01-2019. Clinical Practice Guidelines: Diagnostic and Treatment of Multiple Sclerosis in Adults Revista De Neuro Psiquiatria, 82 4, 242-257

Aamodt W.W.; Eickholt L.; Coughlin D.G.; Solomon L.; Rendle K.A.; Marshall C.; Vizcarra J.A.; Dahodwala N. 09-01-2025. Sex and Racial/Ethnic Differences in End-of-Life Care Preferences in Persons with Parkinson's Diseas Movement Disorders, 40 9, 1951-1964

Marsili L.; Vizcarra J.A.; Sturchio A.; Dwivedi A.K.; Keeling E.G.; Patel D.; Mishra M.; Farooqi A.; Merola A.; Fasano A.; Mata I.F.; Kauffman M.A.; Espay A.J. 09-01-2021. When does postural instability appear in monogenic parkinsonisms? An individual-patient meta-analysi Journal of Neurology, 268 9, 3203-3211

Vizcarra J.A.; Wilson-Perez H.E.; Fasano A.; Espay A.J. 09-01-2018. Small intestinal bacterial overgrowth in Parkinson's disease: Tribulations of a trial Parkinsonism and Related Disorders, 54 , 110-112

Pilotto A.; Romagnolo A.; Scalvini A.; Masellis M.; Shimo Y.; Bonanni L.; Camicioli R.; Wang L.L.; Dwivedi A.K.; Longardner K.; Rodriguez-Porcel F.; Difrancesco M.; Vizcarra J.A.; Montanaro E.; Maule S.; Lupini A.; Ojeda-López C.; Black S.E.; Delli Pizzi S.; Gee M.; Tanaka R.; Yamashiro K.; Hatano T.; Borroni B.; Gasparotti R.; Rizzetti M.C.; Hattori N.; Lopiano L.; Litvan I.; Espay A.J.; Padovani A.; Merola A. 08-24-2021. Association of Orthostatic Hypotension With Cerebral Atrophy in Patients With Lewy Body Disorders Neurology, 97 8, E814-E824

Vizcarra J.A.; Harrison T.B.; Garcia-Santibanez R. 08-01-2021. Update on Nodopathies of the Peripheral Nerve Current Treatment Options in Neurology, 23 8,

Khandelwal P.; Duong M.T.; Levorse L.M.; Trotman W.; Bahena A.; Lim S.A.; Denning A.E.; Chung E.; Olm C.A.; Radhakrishnan H.; Ittyerah R.; Prabhakaran K.; Mizsei G.; Schuck T.; Emrani S.; Vizcarra J.A.; Robinson J.; Ohm D.T.; Phillips J.S.; Cohen J.; Wisse L.E.M.; Detre J.A.; Nasrallah I.M.; Brown C.A.; Das S.R.; Lee E.B.; Tisdall M.D.; Irwin D.J.; McMillan C.T.; Wolk D.A.; Yushkevich P.A. 07-01-2026. Postmortem brain MRI reveals differential associations of subcortical and limbic volumes with cortic Alzheimer S and Dementia, 22 7,

Sturchio A.; Dwivedi A.K.; Gastaldi M.; Grimberg M.B.; Businaro P.; Duque K.R.; Vizcarra J.A.; Abdelghany E.; Balint B.; Marsili L.; Espay A.J. 07-01-2022. Movement disorders associated with neuronal antibodies: a data-driven approach Journal of Neurology, 269 7, 3511-3521

Perkins J.A.; Price R.S.; Vizcarra J.A. 06-23-2026. Pearls & Oy-Sters: Plantar Agraphesthesia in Corticobasal Syndrome Neurology, 106 12,

Kleiner G.; Fernandez H.H.; Chou K.L.; Fasano A.; Duque K.R.; Hengartner D.; Law A.; Margolius A.; Poon Y.Y.; Sáenz Farret M.; Saleh P.; Vizcarra J.A.; Stebbins G.T.; Espay A.J. 06-01-2021. Non-Motor Fluctuations in Parkinson's Disease: Validation of the Non-Motor Fluctuation Assessment Qu Movement Disorders, 36 6, 1392-1400

Vizcarra J.A.; Lopez-Castellanos J.R.; Dwivedi A.K.; Schmerler D.A.; Ries S.; Espay A.J. 06-01-2019. OnabotulinumtoxinA and cognitive behavioral therapy in functional dystonia: A pilot randomized clini Parkinsonism and Related Disorders, 63 , 174-178

Vizcarra J.A.; Lang A.E.; Sethi K.D.; Espay A.J. 06-01-2015. Vascular Parkinsonism: Deconstructing a Syndrome Movement Disorders, 30 7, 886-894

Duong M.T.; Das S.R.; Khandelwal P.; Vizcarra J.A.; Li Y.; Xie L.; Yushkevich P.A.; Shaw L.M.; Dubroff J.G.; Marek K.; Lasch S.; Tanner C.; Simuni T.; Coffey C.; Kieburtz K.; Wilson R.; Mollenhauer B.; Investigator S.; Investigator S.; Galasko D.; Foroud T.; Chahine L.; Siderowf A.; Seibyl J.; Toga A.; Singleton A.; Weintraub D.; Trojanowski J.; Tosun-Turgut D.; Poston K.; Bressman S.; Merchant K.M.; Poewe W.; Sherer T.; Chowdhury S.; Frasier M.; Kopil C.; Naito A.; Arnedo V.; Dorsey R.; Casaceli C.; Core I.; Daegele N.; Core J.A.S.; Caspell-Garcia C.; Uribe L.; Foster E.; Long J.; Seedorff N.; Crawford K.; Smith D.E.; Casalin P.; Malferrari G.; Halter C.; Russell D.; Factor S.; Hogarth P.; Standaert D.; Amara A.; Hauser R.; Jankovic J.; Stern M.; Hu S.C.; Todd G.; Saunders-Pullman R.; Richard I.; Saint-Hilaire M.H.; Seppi K.; Shill H.; Fernandez H.; Trenkwalder C.; Oertel W.; Berg D.; Brockman K.; Wurster I.; Rosenthal L.; Tai Y.; Pavese N.; Barone P.; Isaacson S.; Espay A.; Rowe D.; Brandabur M.; Tetrud J.; Liang G.; Iranzo A.; Tolosa E.; Marder K.; de Arriba Sanchez M.; Stefanis L.; Marti M.J.; Martinez J.R.; Corvol J.C.; Assly J.O.; Brillman S.; Giladi N.; Smejdir D.; Pelaggi J.; Kausar F.; Rees L. 05-01-2026. Discordance of Dopaminergic Dysfunction and Subcortical Atrophy by ?-Synuclein Status in Sporadic an Movement Disorders, 41 5, 1101-1113

Panwala T.F.; Garcia-Santibanez R.; Vizcarra J.A.; Garcia A.G.; Verma S. 05-01-2022. Childhood-Onset Hereditary Spastic Paraplegia (HSP): A Case Series and Review of Literature Pediatric Neurology, 130 , 7-13

Vizcarra-Escobar D.; Duque K.R.; Barbagelata-Aguero F.; Vizcarra J.A. 05-01-2022. Quality of life in upper airway resistance syndrome Journal of Clinical Sleep Medicine, 18 5, 1263-1270

Espay A.J.; Hausdorff J.M.; Sánchez-Ferro Á.; Klucken J.; Merola A.; Bonato P.; Paul S.S.; Horak F.B.; Vizcarra J.A.; Mestre T.A.; Reilmann R.; Nieuwboer A.; Dorsey E.R.; Rochester L.; Bloem B.R.; Maetzler W. 05-01-2019. A roadmap for implementation of patient-centered digital outcome measures in Parkinson's disease obt Movement Disorders, 34 5, 657-663

Vizcarra J.A.; Sánchez-Ferro Á.; Maetzler W.; Marsili L.; Zavala L.; Lang A.E.; Martinez-Martin P.; Mestre T.A.; Reilmann R.; Hausdorff J.M.; Dorsey E.R.; Paul S.S.; Dexheimer J.W.; Wissel B.D.; Fuller R.L.M.; Bonato P.; Tan A.H.; Bloem B.R.; Kopil C.; Daeschler M.; Bataille L.; Kleiner G.; Cedarbaum J.M.; Klucken J.; Merola A.; Goetz C.G.; Stebbins G.T.; Espay A.J. 05-01-2019. The Parkinson's disease e-diary: Developing a clinical and research tool for the digital age Movement Disorders, 34 5, 676-681

Vizcarra J.A.; Yun J.; Kedar S. 04-18-2023. Chapter 13: Neuro-ophthalmology Neurology, 100 16, S172-S173

Rábano-Suárez P.; Rábano-Suárez P.; Monje M.H.G.; Vizcarra J.A.; Paul S.S.; Paul S.S.; Avión S.; Morse M.; Skorvanek M.; Tosin M.H.S.; Fuller R.L.M.; Turner T.H.; Dekker M.C.J.; Hall D.A.; Bergmann K.; Cedarbaum J.M.; Maetzler W.; Espay A.J.; Martínez-Martín P.; Stebbins G.T.; Mestre T.A.; Sánchez-Ferro Á.; Stebbins G.T.; Martínez-Martín P.; Mestre T.A.; Espay A.J.; Maetzler W.; Hall D.A.; Skorvanek M.; Tosin M.H.S.; Fuller R.L.M.; Turner T.H.; Dekker M.C.J.; Martínez S.A.; Morse M.; Cedarbaum J.M.; Bergmann K.; Vizcarra J.A.; González-Monje M.H.; Sánchez-Ferro Á. 04-01-2026. MDS PD e-Diary: A New Patient-Centered Digital Tool in Development for People with Parkinson's Disea Movement Disorders Clinical Practice, 13 4, 1020-1025

Vizcarra-Escobar D.; Mendiola-Yamasato A.; Anculle-Arauco V.; Vizcarra-Pasapera J.; Guillen-Mendoza D. 03-19-2015. Treatment issues in multiple sclerosis in latin America Neuroepidemiology, 44 1, 66-68

Vizcarra J.A.; Casey H.L.; Hamedani A.G.; Gomez C.M. 03-01-2025. Reliability of remote video ratings of the scale for assessment and rating of ataxia Parkinsonism and Related Disorders, 132 ,

Vizcarra J.A.; Jinnah H.A. 03-01-2023. What Is Hemidystonia? Movement Disorders Clinical Practice, 10 3, 477-481

Vizcarra J.A.; Wilson-Perez H.E.; Espay A.J. 03-01-2015. The power in numbers: Gut microbiota in Parkinson's disease Movement Disorders, 30 3, 296-298

Espay A.J.; Vizcarra J.A.; Marsili L.; Lang A.E.; Simon D.K.; Merola A.; Josephs K.A.; Fasano A.; Morgante F.; Savica R.; Greenamyre J.T.; Cambi F.; Yamasaki T.R.; Tanner C.M.; Gan-Or Z.; Litvan I.; Mata I.F.; Zabetian C.P.; Brundin P.; Fernandez H.H.; Standaert D.G.; Kauffman M.A.; Schwarzschild M.A.; Sardi S.P.; Sherer T.; Perry G.; Leverenz J.B. 02-12-2019. Revisiting protein aggregation as pathogenic in sporadic Parkinson and Alzheimer diseases Neurology, 92 7, 329-337

Sturchio A.; Rocha E.M.; Kauffman M.A.; Marsili L.; Mahajan A.; Saraf A.A.; Vizcarra J.A.; Guo Z.; Espay A.J. 02-01-2024. Recalibrating the Why and Whom of Animal Models in Parkinson Disease: A Clinician’s Perspective Brain Sciences, 14 2,

Sturchio A.; Dwivedi A.K.; Vizcarra J.A.; Chirra M.; Keeling E.G.; Mata I.F.; Kauffman M.A.; Pandey M.K.; Roviello G.; Comi C.; Versino M.; Marsili L.; Espay A.J. 02-01-2021. Genetic parkinsonisms and cancer: A systematic review and meta-analysis Reviews in the Neurosciences, 32 2, 159-167

Artusi C.A.; Dwivedi A.K.; Romagnolo A.; Pal G.; Kauffman M.; Mata I.; Patel D.; Vizcarra J.A.; Duker A.; Marsili L.; Cheeran B.; Woo D.; Contarino M.F.; Verhagen L.; Lopiano L.; Espay A.J.; Fasano A.; Merola A. 02-01-2019. Association of Subthalamic Deep Brain Stimulation With Motor, Functional, and Pharmacologic Outcomes JAMA Network Open, 2 2, e187800

Vizcarra J.A.; Situ-Kcomt M.; Artusi C.A.; Duker A.P.; Lopiano L.; Okun M.S.; Espay A.J.; Merola A. 02-01-2019. Subthalamic deep brain stimulation and levodopa in Parkinson’s disease: a meta-analysis of combined Journal of Neurology, 266 2, 289-297

Merola A.; Sawyer R.P.; Artusi C.A.; Suri R.; Berndt Z.; Lopez-Castellanos J.R.; Vaughan J.; Vizcarra J.A.; Romagnolo A.; Espay A.J. 02-01-2018. Orthostatic hypotension in Parkinson disease: Impact on health care utilization Parkinsonism and Related Disorders, 47 , 45-49

Espay A.J.; Vizcarra J.A.; Marsili L.; Lang A.E.; Sardi S.P.; Leverenz J.B. 01-21-2020. Author response: Revisiting protein aggregation as pathogenic in sporadic Parkinson and Alzheimer di Neurology, 94 3, 144-145

Virameteekul S.; Shin C.; Hirczy S.S.; Sarva H.; Paul S.S.; Maetzler W.; Mirelman A.; Schneider R.B.; Hausdorff J.M.; Vizcarra J.A.; Klucken J.; Monje M.H.G.; Mancini M.; Bonato P.; Nieuwboer A.; Horak F.B.; Rochester L.; Sanchez-Ferro A.; Zatti C.; Fabbri M.; Mestre T.A.; Reilmann R.; Espay A.J.; Bloem B.R.; Pilotto A.; Bhidayasiri R. 01-01-2026. Assessing Digital Health Technologies for Outcome Measurement in Parkinson's Disease Drug Trials: A Movement Disorders, 41 1, 40-62

Vizcarra J.A. 01-01-2026. The Ecology of Care in Parkinson's Disease Movement Disorders Clinical Practice, ,

Vizcarra J.A.; Hefter K.; Lafontant D.E.; Duong M.T.; Ertefaie A.; Litt B.; Bassett D.S.; Siderowf A.; Marek K.; Tanner C.; Simuni T.; Siderowf A.; Galasko D.; Chahine L.; Coffey C.; Merchant K.; Poston K.; Dobkin R.; Foroud T.; Mollenhauer B.; Weintraub D.; Brown E.; Kieburtz K.; Frasier M.; Sherer T.; Chowdhury S.; Alcalay R.; Videnovic A.; Tosun-Turgut D.; Poewe W.; Bressman S.; Hammer J.; James R.; Riley E.; Seibyl J.; Shaw L.; Standaert D.; Mantri S.; Dahodwala N.; Schwarzschild M.; Marras C.; Fernandez H.; Shoulson I.; Rowbotham H.; Casalin P.; Trenkwalder C.; Sherer T.; Chowdhury S.; Frasier M.; Eberling J.; Kopil K.; O’Grady A.; Kuhl M.M.G.; Kirsch L.; Willson T.; Flagg E.; Simuni T.; McMahon B.; Stanley C.; Fabrizio K.; Ecklund D.; Huff T.; Foroud T.; Heathers L.; Hobbick C.; Antonopoulos G.; Seibyl J.; Poston K.; Coffey C.; Caspell-Garcia C.; Brumm M.; Core B.; Toga A.; Crawford K.; Foroud T.; Hamer J.; Mollenhauer B.; Galasko D.; Merchant K.; Singleton A.; Foroud T.; Montine T.; Tanner C.; Tanner C.; Brown E.; Chahine L.; Dobkin R.; Korell M.; Adler C.; Alcalay R.; Amara A.; Barone P.; Bloem B.; Brockmann K.; Brüggemann N.; Chahine L.; Chou K.; Dahodwala N.; Espay A.; Factor S. 01-01-2026. Sex Differences in Fall Frequency, Risk Factors, and Outcomes in Parkinson's Disease: A Cross-Sectio Movement Disorders Clinical Practice, ,

Otinkorang K.N.; Vizcarra J.A.; Hamedani A.G. 01-01-2025. Diplopia in the Spinocerebellar Ataxias: Prevalence, Risk Factors, and Association with Falls Neuro Ophthalmology, 49 3, 255-260

Vizcarra J.A. 01-01-2024. Patient diaries in movement disorders Handbook of Digital Technologies in Movement Disorders, , 129-148

Duque K.R.; Vizcarra J.A.; Hill E.J.; Espay A.J. 01-01-2023. Disease-modifying vs symptomatic treatments: Splitting over lumping Handbook of Clinical Neurology, 193 , 187-209

Vizcarra J.A.; Suh J. 01-01-2023. From hypokinesia to hyperkinesia: An 86-year-old-woman with abnormal movements Revista Ecuatoriana De Neurologia, 32 1, 93-97

Mohammad M.E.; Vizcarra J.A.; Garcia X.; Patel S.; Margolius A.; Yu X.X.; Fernandez H.H. 01-01-2021. Impact of behavioral side effects on the management of Parkinson patients treated with dopamine agon Clinical Parkinsonism and Related Disorders, 4 ,

Carrillo-Larco R.M.; Altez-Fernandez C.; Ravaglia S.; Vizcarra J.A. 01-01-2020. COVID-19 and Guillain-Barre Syndrome: A systematic review of case reports Wellcome Open Research, 5 ,

Vizcarra J.A.; Hacker S.; Lopez-Castellanos R.; Ryes L.; Laub H.N.; Marsili L.; Dwivedi A.K.; Lafaver K.; Espay A.J. 01-01-2020. Internal versus external frame of reference in functional movement disorders Journal of Neuropsychiatry and Clinical Neurosciences, 32 1, 67-72

Artusi C.A.; Mishra M.; Latimer P.; Vizcarra J.A.; Lopiano L.; Maetzler W.; Merola A.; Espay A.J. 01-01-2018. Integration of technology-based outcome measures in clinical trials of Parkinson and other neurodege Parkinsonism and Related Disorders, 46 , S53-S56