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Nicholas T. Trapp, MD

Director, Electroconvulsive Therapy Services
Assistant Professor of Psychiatry

Contact Information

Primary Office
W290 General Hospital (GH)
200 Hawkins Drive
Iowa City, IA 52240


BA, Sociology and Preprofessional Studies, University of Norte Dame
MD, University of Nebraska College of Medicine
MS, University of Iowa
Internship, Psychiatry, Washington University School of Medicine
Resident, Psychiatry, Barnes Jewish Hospital
Chief Resident, Psychiatry, Washington University School of Medicine
Fellow, University of Iowa Roy J. and Lucille A Carver College of Medicine


Singh, A., Trapp, N. T., De Corte, B., Cao, S., Kingyon, J., Boes, A. D. & Parker, K. L. (2019). Cerebellar Theta Frequency Transcranial Pulsed Stimulation Increases Frontal Theta Oscillations in Patients with Schizophrenia. Cerebellum (London, England), 18(3), 489-499. PMID: 30825131.

Siddiqi, S. H., Trapp, N. T., Hacker, C. D., Laumann, T. O., Kandala, S., Hong, X., Trillo, L., Shahim, P., Leuthardt, E. C., Carter, A. R. & Brody, D. L. (2019). Repetitive Transcranial Magnetic Stimulation with Resting-State Network Targeting for Treatment-Resistant Depression in Traumatic Brain Injury: A Randomized, Controlled, Double-Blinded Pilot Study. Journal of neurotrauma, 36(8), 1361-1374. PMID: 30381997.

Siddiqi, S. H., Trapp, N. T., Shahim, P., Hacker, C. D., Laumann, T. O., Kandala, S., Carter, A. R. & Brody, D. L. (2019). Individualized Connectome-Targeted Transcranial Magnetic Stimulation for Neuropsychiatric Sequelae of Repetitive Traumatic Brain Injury in a Retired NFL Player. The Journal of neuropsychiatry and clinical neurosciences, appineuropsych18100230. PMID: 30945588.

Trapp, N. T., Xiong, W., Gott, B. M., Espejo, G. D., Bikson, M. & Conway, C. R. (2019). Proceedings #51: 4 mA Adaptive Transcranial Direct Current Stimulation for Treatment-Resistant Depression: Early Demonstration of Feasibility with a 20-Session Course. Brain Stimulation, 12(2), e124-e125. DOI: 10.1016/j.brs.2018.12.220.

Cristancho, P., Trapp, N. T., Siddiqi, S. H., Dixon, D., Miller, J. P. & Lenze, E. J. (2019). Crossover to Bilateral Repetitive Transcranial Magnetic Stimulation: A Potential Strategy When Patients Are Not Responding to Unilateral Left-Sided High-Frequency Repetitive Transcranial Magnetic Stimulation. (Vols. 35). (1), pp. 3-5. The journal of ECT. PMID: 29877963.

Trapp, N. T., Xiong, W. & Conway, C. R. (2019). Neurostimulation Therapies. Handbook of experimental pharmacology, 250, 181-224. PMID: 30294765.

Xiong, W., Conway, C. R. (2018). Neurostimulation Therapies. In: Handbook of Experimental Pharmacology. Springer International Publishing AG.

Trapp, N. T., Bruss, J., King Johnson, M., Uitermarkt, B. D., Garrett, L., Heinzerling, A., Wu, C., Koscik, T. R., Ten Eyck, P. & Boes, A. D. (2020). Reliability of targeting methods in TMS for depression: Beam F3 vs. 5.5 cm. Brain Stimulation, 13(3), 578-581. DOI: 10.1016/j.brs.2020.01.010.

Zarei, K., Sparr, N. A., Trapp, N. T., Neuhaus, E. D., Cromwell, J. W., Boes, A. D. & Shinozaki, G. (2020). Bispectral EEG (BSEEG) to assess arousal after electro-convulsive therapy (ECT). Psychiatry Research, 285, 112811. DOI: 10.1016/j.psychres.2020.112811.

Trapp, N. T., Uitermarkt, B., King Johnson, M., Koscik, T. R., Garrett, L., Heinzerling, A., Zanaty, M., Holland, M. T., Howard, M. & Boes, A. D. (2019). A new device to improve target localization for transcranial magnetic stimulation therapy. Brain stimulation. PMID: 31402180.

Gourisankar, A., Eisenstein, S. A., Trapp, N. T., Koller, J. M., Campbell, M. C., Ushe, M., Perlmutter, J. S., Hershey, T. & Black, K. J. (2018). Mapping movement, mood, motivation and mentation in the subthalamic nucleus. Royal Society open science, 5(7), 171177. PMID: 30109035.

Boes, A. D., Kelly, M. S., Trapp, N. T., Stern, A. P., Press, D. Z. & Pascual-Leone, A. (2018). Noninvasive Brain Stimulation: Challenges and Opportunities for a New Clinical Specialty. The Journal of neuropsychiatry and clinical neurosciences, 30(3), 173-179. PMID: 29685065.

Holland, M. T., Trapp, N. T., McCormick, L. M., Jareczek, F. J., Zanaty, M., Close, L. N., Beeghly, J. & Greenlee, J. D. Deep Brain Stimulation for Obsessive–Compulsive Disorder: A Long Term Naturalistic Follow Up Study in a Single Institution. Frontiers in Psychiatry, 11. DOI: 10.3389/fpsyt.2020.00055.