J Christopher Edgar, PhD

J Christopher  Edgar, PhD

Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)


Awards and Honors

2003, International Congress on Schizophrenia Research Young Investigator Award, ISBET Junior Fellowship Award

Leaderships and Memberships

International Societies

International Society for Brain Electromagnetic Topography
Schizophrenia International Research Society

National Societies

Society for Psychophysiological Research
American Clinical Magnetoencephalography Society

Editorial Positions

Ad Hoc Reviewer, Psychophysiology
Ad Hoc Reviewer, International Journal of Neuroscience
Ad Hoc Reviewer, Archives of General Psychiatry
Ad Hoc Reviewer, Journal of Cognitive Neuroscience
Ad Hoc Reviewer, Psychiatry Research
Ad Hoc Reviewer, Journal of Abnormal Psychology
Ad Hoc Reviewer, Neuropsychobiology
Consulting Editor, Emotion
Ad Hoc Reviewer, Biological Psychiatry

Original Articles


Towle VL, Yoon H, Castelle M, Edgar JC, Biassou NM, Frim DM, Kohrman MH. (2008). ECoG gamma activity during a language task: differentiating expressive and receptive speech areas. Brain, 131, 2013-2027.

Edgar JC, Hanlon FM, Huang MX, Weisend MP, Thoma RJ, Carpenter B, Hoechstetter K, Cañive JM, Miller GA. (2008). Superior temporal gyrus spectral abnormalities in schizophrenia. Psychophysiology, 45, 812-824.

Roberts TPL, Schmidt GL, Egeth M, Blaskey L, Rey MR, Edgar JC, Levy SE. (2008). Electrophysiological signatures: Magnetoencephalographic studies of the neural correlates of language impairment in autism spectrum disorders. International Journal of Psychophysiology, 68, 149-160

Ho RM, Ombao H, Edgar JC, Cañive JM, Miller GA. (2008). Time-frequency discrimination analysis of MEG signals. NeuroImage, 40, 174-186.


Towle VL, Hunter JD, Edgar JC, Chkhenkeli SA, Castelle MC, Frim DM, Kohrman M, Hecox KE. (2007). Frequency Domain Analysis of Human Subdural Recordings. Journal of Clinical Neurophysiology, 24, 205-213.

Astolfi L, de Vico Fallani F, Cincotti F, Mattia D, Marciani MG, Baccala LA, Salinari S, Colosimo A, Ding L, Edgar JC, Heller W, Miller GA, He B, Babiloni F. (2007). Imaging functional brain connectivity patterns from high-resolution EEG and fMRI via graph theory. Psychophysiology, 44, 880-893.

Lu BY, Martin K, Edgar JC, Smith AK, Lewis SF, Escamilla MA, Miller GA, Canive JM. (2007). Effect of catechol O-methyltransferase Val158Met polymorphism on the P50 sensory gating endophenotype in schizophrenia. Biological Psychiatry, 62, 822-825.

Lu BY, Edgar JC, Jones AP, Smith AK, Huang MX, Miller GA, Cañive JM. (2007) Improved test-retest reliability of paired-click auditory gating using magnetoencephalography source modeling. Psychophysiology, 44, 86-90.


Canive JM, Miller GA., Irwin  JA, Moses SN, Thoma RJ, Edgar JC, Sherwood A, Torres F, LaNoue M, Lewis S, Hanlon FM, Weisend MP, Mead  V, Tuason V.B. (2006). Efficacy of olanzaphine and risperidone in schizophrenia: a randomized double-blind crossover design. Drug Disposition and Pharmacokinetics, 39, 105-116.

Astolfi L, Cincott F, Mattia D, Marciani MG, Baccala LA, de Vico Fallani F, Salinri S, Ursino M, Zavaglia M, DingL, Edgar JC, Miller GA, He B, Babiloni F. (2006). Comparison of different cortical connectivity estimators for high-resolution EEG recordings. Human Brain Mapping, 28, 143-157.

Edgar JC, Yeo RA, Gangestad SW, Blake MB, Davis JT, Lewine JD, Cañive J.M. (2006). Reduced Auditory M100 asymmetry in schizophrenia and dyslexia: applying a developmental instability approach to assess atypical brain asymmetry. Neurosphchologia, 44, 289-99.

Books and Chapters

 Roberts, TPL, Edgar JC, Schwartz ES. (2008). Magnetoencephalography: Technique, Clinical Applications and Future Opportunities. In A. Holodny (Editor), Functional Neuroimaging: A Clinical Approach, Informa Healthcare.

Edgar JC, Keller J, Heller W., Miller G.A. (2007). Psychophysiology in research on Psychopathology. In L.G. Tassinary, J.T. Cacioppo, G.G. Berntson (Editors), Handbook of Psychophysiology, 3rd Edition. New York: Cambridge University Press.

Edgar JC, Stewart J, Miller GA. (2006). Digital filters in ERP research. In T.C. Handy (Editor), Event- Related Potentials: A Methods Handbook, MIT Press.

Education and Training

Additional Training

MS in Clinical Psychology - University of New Mexico PhD, clinical psychology, University of New Mexico

Undergraduate Degree

BA - Texas Christian University

Graduate Degree

Post-doctoral fellowship, Emotion, Psychopathology and EEG/fMRI - University of Illinois at Urbana-Champaign and Beckman Institute, Champaign, IL

Titles and Academic Titles


Assistant Professor of Radiology, Perelman School of Medicine at the University of Pennsylvania

Departments and Services




Victoria T, Danzer E, Oliver ER, Edgar JC, Iyoob S, Partridge EA, Johnson AM, Peranteau WH, Coleman BG, Flake AW, Johnson MP, Hedrick H, Adzick NS. Right Congenital Diaphragmatic Hernias: Is There a Correlation between Prenatal Lung Volume and Postnatal Survival, as in Isolated Left Diaphragmatic Hernias? Fetal Diagn Ther. 2017 Mar 21. Doi:10.1159/000464246. [Epub ahead of print]


Victoria T, Johnson AM, Edgar JC, Zarnow DM, Vossough A, Jaramillo D. Comparison Between 1.5-T and 3-T MRI for Fetal Imaging: Is There an Advantage to Imaging With a Higher Field Strength? AJR Am J Roentgenol. 2016 Jan;206(1):195-201. doi: 10.2214/AJR.14.14205. Read the abstract.


Victoria T, Epelman M, Coleman BG, Horii S, Oliver ER, Mahboubi S, Khalek N, Kasperski S, Edgar JC, Jaramillo D. Low-dose fetal CT in the prenatal evaluation of skeletal dysplasias and other severe skeletal abnormalities. AJR Am J Roentgenol. 2013;200(5):989-1000.