About me
- Assistant Professor of Neurology at the Children's Hospital of Philadelphia
Education and training
- Medical School: University of Chicago
- Residency: Children's Hospital of Philadelphia
- Residency: Children's Hospital of Philadelphia
- Fellowship: Children's Hospital of Philadelphia
My Locations
CHOP Specialty Care, Lancaster
Penn Medicine hospital privileges
- Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
- Pennsylvania Hospital: Has privileges to treat patients in the hospital.
- Lancaster General Hospital: Has privileges to treat patients in the hospital.
- Chester County Hospital: Has privileges to treat patients in the hospital.
Qualifications and experience
- Psych & Neurology/Epilepsy (AMA)
- Neurology - Child Neurology, 2021
- American Academy of Neurology, National
- American Epilepsy Society, National
- American Epilepsy Society, National
- Child Neurology Society, International
- ClinGen, International
- CURE Epilepsy, International
- SYNGAP1 Research Fund, International
Treatments and Conditions
My research
McKee JL, Magielski J, Xian J, Cohen S, Toib J, Harrison A, Chen C, Kim D, Rathod A, Brimble E, Fitter N, Graglia JM, Helde KA, Ruggiero SM, Boland MJ, Prosser BL, Sederman R, Helbig I. Clinical signatures of SYNGAP1-related disorders through data integration , Genetics in Medicine, 27(6): 2025
Mondragon E, Magielski JH, Bane B, Nolan J, Ruggiero SM, Armstrong D, Arnold S, Sirsi D, Helbig I, McKee JL. Clinical trajectories and medication response in TBC1D24-related epilepsies , Epilepsia (under review): 2025
Magielski J, Cohen S, Kaufman M, Parthasarathy S, Xian J, Brimble E, Fitter N, Furia F, Gardella E, Moller R, Helbig I, and McKee JL. Deciphering the Natural History of SCN8A-Related Disorders , Neurology, 104(9): 2025
Harrison AG, Magielski JH, McSalley I, Ganesan S, Prentice AJ, Cunningham KG, Pierce SR, Boland MJ, Prosser BL, Helbig I, McKee JL. Familial SYNGAP1 variants define the boundaries of a complex neurodevelopmental disorder with epilepsy , Epilepsia: 2025
Magielski J, Cohen S, Kaufman M, Parthasarathy S, Xian J, Brimble E, Fitter N, Furia F, Gardella E, Moller R, Helbig I, and McKee JL. Deciphering the dynamic clinical patterns in SCN8A-related disorders using real-world data , medRxiv (accepted to Neurology): 2025
Magielski J, Ruggiero SM, Xian J, Parthasarathy S, Galer P, Ganesan S, Back A, McKee J, McSalley I, Gonzalez AK, Morgan A, Donaher J, Helbig I. The clinical and genetic spectrum of paediatric speech and language disorders in 52,143 individuals , Brain: 2025
Ganesan S, Ruggiero SM, Parthasarathy S, Galer PD, Lewis-Smith D, McSalley I, Cohen SR, Lusk L, Prentice AJ, McKee JL, Pendziwiat M, Smith L, Weber Y, Mefford HC, Poduri A, Helbig I. Phenotypic analysis of 11,125 trio exomes in neurodevelopmental disorders , bioRxiv (submitted to Nature Neuroscience): 2025
Galer PD, McKee JL, Ruggiero SM, Kaufman MC, McSalley I, Ganesan S, Ojemann WKS, Gonzalez AK, Cao Q, Litt B, Helbig I, Conrad EC. Quantitative EEG Spectral Features Differentiate Genetic Epilepsies and Predict Neurologic Outcomes , medrxiv (accepted to Neurology): 2025
Pierce S, Cunningham K, Coyne J, Decampo D, Demarest S, Graglia M, Goss J, Harrison A, Helde K, McKee JL, Son Rigby C, Sullivan K, Tefft S, Chao HT, Grinspan Z, Miele A, Boland M, Ruggerio S, Helbig I STXBP1 and SYNGAP1 Related Disorders: Assessing the Feasibility of Developmental Outcome Measures , AES, Los Angeles, CA: 2024
Galer P, McKee JL, Ruggerio S, Kaufman M, Mcsalley I, Ganesan S, Ojemann W, Pattnaik A, Gonzalez A, Litt B, Helbig I, Conrad E Genetic Epilepsies Demonstrate Distinct Electrographic Signatures in STXBP1, SCN1A, and SYNGAP1 , AES, Los Angeles, CA: 2024