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Connie Marras

University of Toronto

74H-index
411Paper Count
2.1WCitation Count
Published Papers 213
Publication Date
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MDSGene Systematic Review of Common Forms of Dominant Hereditary Spastic Paraplegia: Novel Insights
errMovement Disorders Clinical Practice
IF2.7
err2026-02-24
err0
errOAAI
errCe Kang MD, MPhil; Rajasumi Rajalingam MD, MSc; Zachary Walls BEHons/BCom; Jana Huang BHS; Christine Sun BSc; Laura I. Rudaks MBBS, MMed, FRACP; Dennis Yeow MBBS, FRACP; Ashar Rasheed DDS, HBSc; Jenny W. Zhang PhD, Hon BSc; Moath Hamed MD, FRCPC; Marianthi Breza MD, MS; Susen Schaake BSc; Chetan Vekhande MBBS, MD, DM; Jason Massa DO; Robyn E. Massa MD; Aakash Shetty MBBS, MD, DM, DNB; Carolyn M. Sue MBBS, PhD, FRACP; Franca Cambi MD, PhD; Oksana Suchowersky MD; Franca Vulinovic PhD; Sonja Petkovic PhD; Christine Klein MD; Katja Lohmann PhD; Connie Marras MD, PhD; Kishore R. Kumar MBBS, PhD, FRACP
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It Is Personal: What People with Parkinson's Disease Say Matters Most for Quality of Life
errMovement Disorders
IF7.6
err2025-12-12
err0
errOAAI
errSamantha Dorrance BSc, BEng; Richa Patel MBS, BSc; Glenn T. Stebbins PhD; Jamie Adams MD; Allison M. Allen MSW, LCSW; Tara Hastings MA; Soania Mathur MD; Onanong Phokaewvarangkul MD, PhD; Gary Rafaloff MSc; Rajasumi Rajalingam MD, MSc; Anette Schrag MD, PhD; Christine Sun Bsc; Jennifer Mammen PhD; Connie Marras MD, PhD
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Frozen in Addiction: A New Wave of Drug-Induced Movement Disorders?
errMovement Disorders
IF7.6
err2025-10-17
err0
errOAAI
errChristos Ganos MD; Roberto Erro MD, PhD; Mohammad Abdullah MBChB; Tanya S. Hauck MD, PhD; Daniel Ciccarone MD; Christy Sutherland MD; Parisa Saiyarsarai PhD; Connie Marras MD, PhD; Susan H. Fox MRCP, PhD; Alfonso Fasano MD, PhD; Anthony E. Lang MD; Jonathan Squires MD; Kailash P. Bhatia FRCP, MD
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Prognostic Value of Parkinson's Disease Subtypes in the LABS-PD Cohort: Functional Ability, Quality of Life and Mortality
errMovement Disorders Clinical Practice
IF2.7
err2025-10-07
err0
errOAAI
errDeepa Dash MD, DM; Shirley Eberly MSc; David Oakes PhD; David Grimes MD, FRCP(C); Anthony E. Lang MD, FRCP(C); Caroline Tanner MD, PhD; Tiago A. Mestre MD, PhD; Connie Marras MD, PhD
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Corrigendum to “Genetics of upper limb tremor in clinical practice: a systematic literature review” [Parkinsonism and Related disorders volume “in press” (2025) PRD 107981]
errParkinsonism & Related Disorders
IF3.4
err2025-09-26
err0
errOAAI
errCheryl S.J. Everlo; Marina A.J. Tijssen; Baran Emre; Sophieke A.J. Heida; Connie Marras; Christine Klein; Jeroen de Vries; Corien C. Verschuuren-Bemelmans; Dineke S. Verbeek; Tom J. de Koning; A.M. Madelein van der Stouwe
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Genetics of upper limb tremor in clinical practice: a systematic literature review
errParkinsonism & Related Disorders
IF3.4
err2025-08-14
err0
errOAAI
errCheryl S.J. Everlo; Marina A.J. Tijssen; Baran Emre; Sophieke A.J. Heida; Connie Marras; Christine Klein; Jeroen de Vries; Corien C. Verschuuren-Bemelmans; Dineke S. Verbeek; Tom J. de Koning; A.M. Madelein van der Stouwe
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Regional free-water diffusion is more strongly related to neuroinflammation than neurodegeneration
errJournal of Neurology
IF4.6
err2025-06-25
err0
PREAI
errVishaal Sumra; Mohsen Hadian; Allison A. Dilliott; Sali M. K. Farhan; Andrew R. Frank; Anthony E. Lang; Angela C. Roberts; Angela Troyer; Stephen R. Arnott; Connie Marras; David F. Tang-Wai; Elizabeth Finger; Ekaterina Rogaeva; Joseph B. Orange; Joel Ramirez; Lorne Zinman; Malcolm Binns; Michael Borrie; Morris Freedman; Miracle Ozzoude; Robert Bartha; Richard H. Swartz; David Munoz; Mario Masellis; Sandra E. Black; Roger A. Dixon; Dar Dowlatshahi; David Grimes; Ayman Hassan; Robert A. Hegele; Sanjeev Kumar; Stephen Pasternak; Bruce Pollock; Tarek Rajji; Demetrios Sahlas; Gustavo Saposnik; Maria Carmela Tartaglia
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Care partner needs in Parkinson's disease: A systematic review of qualitative and quantitative data
errJournal of Parkinson’s Disease
IF0
err2025-05-30
err0
errOAAI
errMax Hulshoff; Christine Sun; Elaine Book; Caroline Tanner; Nabila Dahodwala; Brenda Reynolds; Heather Boon; Connie Marras
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Differences in Parkinson's Disease Populations: Teaching Hospitals Versus Other Settings and Implications for Clinical Trials
errMovement Disorders
IF7.6
err2025-05-29
err0
errOAAI
errPriti Gros MD; Connie Marras MD, PhD; Xuesong Wang MSc; Maria Chiu PhD; Michael E. Farkouh MD, MSc; Abby Emdin MSc; Susan E. Bronskill PhD
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Motor, affective, cognitive, and perceptual symptom changes over time in individuals with Parkinson's disease who develop freezing of gait
errJOURNAL OF NEUROLOGY
IF4.6
err2025-04-08
err0
PREAI
errFaerman, Michelle V.; Cole, Cayli; Van Ooteghem, Karen; Cornish, Benjamin F.; Howe, Erika E.; Siu, Verena; Norouzian, Pershia; Black, Alanna; Fraser, Julia E.; Grimes, David A.; Jog, Mandar; Kwan, Donna; Lang, Anthony E.; Lawrence-Dewar, Jane M.; Levine, Brian; Marras, Connie; Masellis, Mario; Mcilroy, William E.; Mclaughlin, Paula M.; Montero-Odasso, Manuel; Orange, J. B.; Peltsch, Alicia J.; Pieruccini-Faria, Frederico; Roberts, Angela C.; Sarquis-Adamson, Yanina; Steeves, Thomas D. L.; Tan, Brian; Troyer, Angela K.; Martens, Kaylena A. Ehgoetz
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Fears and uncertainties of people with Parkinson's disease
errJOURNAL OF PARKINSONS DISEASE
IF5
err2025-04-01
err0
errOAAI
errTrahair, Esme D.; Steiger, Darby; Lowe, Nashay; Rapoport, Robyn; Kelliher, Caitlin; Benvengo, Stephanie; Kopil, Catherine; Chahine, Lana M.; Marras, Connie; Mantri, Sneha
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The LRRK2 p.L1795F variant causes Parkinson's disease in the European population
errNPJ PARKINSONS DISEASE
IF8.2
err2025-03-25
err0
errOAAI
errLange, Lara M.; Levine, Kristin; Fox, Susan H.; Marras, Connie; Ahmed, Nazish; Kuznetsov, Nicole; Vitale, Dan; Iwaki, Hirotaka; Lohmann, Katja; Espay, Alberto J.; Bauer, Peter; Beetz, Christian; Martin, Jessica; Factor, Stewart A.; Higginbotham, Lenora A.; Chen, Honglei; Leonard, Hampton; Nalls, Mike A.; Mencacci, Niccolo E.; Morris, Huw R.; Singleton, Andrew B.; Klein, Christine; Blauwendraat, Cornelis; Fang, Zih-Hua
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Psychological stress associated with prognostic uncertainties in recently diagnosed Parkinson's disease patients: A qualitative study
errPLOS ONE
IF2.6
err2025-03-11
err0
errOAAI
errAboelzahab, Yasmin H.; Bojmehrani, Azadeh; Ahmed, Yomna Elsheikh; Boon, Heather; Marras, Connie; Foty, Richard
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Heartbeat signature for predicting motor and non-motor involvement among nonparkinsonian LRRK2 G2019S mutation carriers
errCLINICAL AUTONOMIC RESEARCH
IF3.4
err2025-02-19
err0
PREAI
errCarricarte Naranjo, Claudia; Marras, Connie; Visanji, Naomi P.; Cornforth, David J.; Sanchez-Rodriguez, Lazaro; Schule, Birgitt; Goldman, Samuel M.; Estevez, Mario; Stein, Phyllis K.; Jelinek, Herbert F.; Lang, Anthony E.; Machado, Andres
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Net Health System Costs of Parkinson Disease A Propensity Score-Matched Health Administrative Data Cohort Study in Ontario, Canada
errNEUROLOGY-CLINICAL PRACTICE
IF3.2
err2025-02-01
err0
PREAI
errMaclagan, Laura C.; Emdin, Abby; Fu, Longdi; Guan, Jun; de Oliveira, Claire; Marras, Connie; Bronskill, Susan E.
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What Parkinson's disease patients say in their own words about their mood and anxiety symptoms
errPARKINSONISM & RELATED DISORDERS
IF3.4
err2025-01-01
err0
PREAI
errAnderson, Karen E.; Marras, Connie; Amara, Amy; Chahine, Lana M.; Eberly, Shirley; Hosamath, Abhishek; Kinel, Daniel; Mantri, Sneha; Mathur, Soania; Oakes, David; Purks, Jennifer L.; Standaert, David G.; Weintraub, Daniel; Shoulson, Ira; Arbatti, Lakshmi
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Multimodal oculomotor assessment reveals prodromal markers of Parkinson's disease in non-manifesting LRRK2 G2019S mutation carriers
errNPJ PARKINSONS DISEASE
IF8.2
err2024-12-19
err0
errOAAI
errRiek, Heidi C.; Visanji, Naomi P.; Pitigoi, Isabell C.; Di Luca, Daniel G.; Armengou-Garcia, Laura; Ahmed, Nazish; Perkins, Julia E.; Brien, Donald C.; Huang, Jeff; Coe, Brian C.; Huang, Jana; Ghate, Taneera; Lang, Anthony E.; Marras, Connie; Munoz, Douglas P.
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Cognitive Symptoms in Cross-Sectional Parkinson Disease Cohort Evaluated by Human-in-the-Loop Machine Learning and Natural Language Processing
errNEUROLOGY-CLINICAL PRACTICE
IF3.2
err2024-10-01
err2
errOAAI
errPurks, Jennifer L.; Arbatti, Lakshmi; Hosamath, Abhishek; Amara, Amy W.; Anderson, Karen E.; Chahine, Lana; Eberly, Shirley W.; Kinel, Daniel; Mantri, Sneha; Mathur, Soania; Oakes, David; Standaert, David G.; Weintraub, Daniel; Shoulson, Ira; Marras, Connie
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A systematic review and meta-analysis of the prevalence of Parkinson's disease in lower to upper-middle-income countries
errNPJ PARKINSONS DISEASE
IF8.2
err2024-09-30
err3
errOAAI
errPereira, Gabriela Magalhaes; Teixeira-dos-Santos, Daniel; Soares, Nayron Medeiros; Marconi, Gabriel Alves; Friedrich, Deise Cristine; Awad, Paula Saffie; Santos-Lobato, Bruno Lopes; Brandao, Pedro Renato P.; Noyce, Alastair J.; Marras, Connie; Mata, Ignacio F.; Rieder, Carlos Roberto de Mello; Schuh, Artur Francisco Schumacher
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Relevance of genetic testing in the gene-targeted trial era: the Rostock Parkinson's disease study
errBRAIN
IF11.7
err2024-08-01
err8
errOAAI
errWestenberger, Ana; Skrahina, Volha; Usnich, Tatiana; Beetz, Christian; Vollstedt, Eva-Juliane; Laabs, Bjoern-Hergen; Paul, Jefri J.; Curado, Filipa; Skobalj, Snezana; Gaber, Hanaa; Olmedillas, Maria; Bogdanovic, Xenia; Ameziane, Najim; Schell, Nathalie; Aasly, Jan Olav; Afshari, Mitra; Agarwal, Pinky; Aldred, Jason; Alonso-Frech, Fernando; Anderson, Roderick; Araujo, Rui; Arkadir, David; Avenali, Micol; Balal, Mehmet; Benizri, Sandra; Bette, Sagari; Bhatia, Perminder; Bonello, Michael; Braga-Neto, Pedro; Brauneis, Sarah; Cardoso, Francisco Eduardo Costa; Cavallieri, Francesco; Classen, Joseph; Cohen, Lisa; Coletta, Della; Crosiers, David; Cullufi, Paskal; Dashtipour, Khashayar; Demirkiran, Meltem; Aguiar, Patricia de Carvalho; De Rosa, Anna; Djaldetti, Ruth; Dogu, Okan; Ghilardi, Maria Gabriela dos Santos; Eggers, Carsten; Elibol, Bulent; Ellenbogen, Aaron; Ertan, Sibel; Fabiani, Giorgio; Falkenburger, Bjoern H.; Farrow, Simon; Fay-Karmon, Tsviya; Ferencz, Gerald J.; Fonoff, Erich Talamoni; Fragoso, Yara Dadalti; Genc, Gencer; Gorospe, Arantza; Grandas, Francisco; Gruber, Doreen; Gudesblatt, Mark; Gurevich, Tanya; Hagenah, Johann; Hanagasi, Hasmet A.; Hassin-Baer, Sharon; Hauser, Robert A.; Hernandez-Vara, Jorge; Herting, Birgit; Hinson, Vanessa K.; Hogg, Elliot; Hu, Michele T.; Hummelgen, Eduardo; Hussey, Kelly; Infante, Jon; Isaacson, Stuart H.; Jauma, Serge; Koleva-Alazeh, Natalia; Kuhlenbaeumer, Gregor; Kuehn, Andrea; Litvan, Irene; Lopez-Manzanares, Lydia; Luxmore, McKenzie; Manandhar, Sujeena; Marcaud, Veronique; Markopoulou, Katerina; Marras, Connie; McKenzie, Mark; Matarazzo, Michele; Merello, Marcelo; Mollenhauer, Brit; Morgan, John C.; Mullin, Stephen; Musacchio, Thomas; Myers, Bennett; Negrotti, Anna; Nieves, Anette; Nitsan, Zeev; Oskooilar, Nader; Oztop-Cakmak, Ozgur; Pal, Gian; Pavese, Nicola; Percesepe, Antonio; Piccoli, Tommaso; de Souza, Carolina Pinto; Prell, Tino; Pulera, Mark; Raw, Jason; Reetz, Kathrin; Reiner, Johnathan; Rosenberg, David; Ruiz-Lopez, Marta; Martinez, Javier Ruiz; Sammler, Esther; Santos-Lobato, Bruno Lopes; Saunders-Pullman, Rachel; Schlesinger, Ilana; Schofield, Christine M.; Schumacher-Schuh, Artur F.; Scott, Burton; Sesar, ngel; Shafer, Stuart J.; Sheridan, Ray; Silverdale, Monty; Sophia, Rani; Spitz, Mariana; Stathis, Pantelis; Stocchi, Fabrizio; Tagliati, Michele; Tai, Yen F.; Terwecoren, Annelies; Thonke, Sven; Toenges, Lars; Toschi, Giulia; Tumas, Vitor; Urban, Peter Paul; Vacca, Laura; Vandenberghe, Wim; Valente, Enza Maria; Valzania, Franco; Vela-Desojo, Lydia; Weill, Caroline; Weise, David; Wojcieszek, Joanne; Wolz, Martin; Yahalom, Gilad; Yalcin-Cakmakli, Gul; Zittel, Simone; Zlotnik, Yair; Kandaswamy, Krishna K.; Balck, Alexander; Hanssen, Henrike; Borsche, Max; Lange, Lara M.; Csoti, Ilona; Lohmann, Katja; Kasten, Meike; Brueggemann, Norbert; Rolfs, Arndt; Klein, Christine; Bauer, Peter
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Research Directions

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Co-authors
Cooperation Journals
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John C. Rothwell
H-index: 182 · Papers: 1.6K
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Anthony E. Lang
H-index: 166 · Papers: 1.5K
A
Alexis Brice
H-index: 153 · Papers: 1.2K
W
Werner Poewe
H-index: 151 · Papers: 1.0K
S
Samuel F. Berkovic
H-index: 145 · Papers: 1.1K
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