Laboratory for Cognition and Neural Stimulation

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Roy H. Hamilton MD, MS


Dr. Hamilton is an Assistant Professor in Neurology at the University of Pennsylvania. He graduated from Harvard Medical School and the Massachusetts Institute of Technology in 2001. During his medical training he pursued training with Alvaro Pascual-Leone, MD, PhD, a preeminent investigator in the field of noninvasive brain stimulation and earned a masters degree from Massachusetts Institute of Technology in Health Sciences and Technology with a specific focus on neuroplasticity in blind and sighted individuals. He completed residency in Neurology at the University of Pennsylvania in 2005 and a fellowship in Cognitive Neurology at the University of Pennsylvania in 2006. Dr. Hamilton's interest is in how the brain reorganizes itself in response to injury, and whether it is possible to enhance the brain's potential for reorganization in order to speed rehabilitation. His other research interests include the neural basis of multisensory integration.


  • Wolk, D.A., Grachev, I.D., Buckley, C., Kazi, H., Grady, M.S., Trojanowski, J.Q., Hamilton, R.H., Arnold, S.E. : Association between in vivo [18F]-flutemetamol amyloid PET imaging and in vivo cerebral cortical histopathology. Annals of Neurology 2011.
  • Turkeltaub, P.E., Benson, B., Hamilton, R., Datta, A., Bikson, M., Coslett, H.B. : Left lateralizing transcranial direct current stimulation improves reading efficiency. Brain Stimulation 2011.
  • Kessler, S.K., Turkeltaub, P., Benson, J.G., Hamilton, R. : Differences in the Experience of Active and Sham Transcranial Direct Current Stimulation. Brain Stimulation 2011.
  • Turkeltaub, P.E., Coslett, H.B., Thomas, A.L., Faseyitan, O., Benson, J., Norise, C., Hamilton, R. : The right hemisphere is not unitary in its role in aphasia recovery. Cortex June 2011.
  • Turkeltaub Peter E, Messing Samuel, Norise Catherine, Hamilton Roy H: Are networks for residual language function and recovery consistent across aphasic patients? Neurology 76(20): 1726-34, May 2011.
  • Hamilton, R., Stark, M., Coslett, H.B. : Increased Effect of Target Eccentricity on Covert Shifts of Visual Attention in Patients With Neglect. Cortex 46(1): 68-76, 2010.
  • Hamilton Roy, Patel Sunil, Lee Edward B, Jackson Eric M, Lopinto Joanna, Arnold Steven E, Clark Christopher M, Basil Anuj, Shaw Leslie M, Xie Sharon X, Grady M Sean, Trojanowski John Q: Lack of shunt response in suspected idiopathic normal pressure hydrocephalus with Alzheimer disease pathology. Annals of neurology 68(4): 535-40, Oct 2010.
  • Hamilton Roy H, Sanders Linda, Benson Jennifer, Faseyitan Olufunsho, Norise Catherine, Naeser Margaret, Martin Paula, Coslett H Branch: Stimulating conversation: enhancement of elicited propositional speech in a patient with chronic non-fluent aphasia following transcranial magnetic stimulation. Brain and language 113(1): 45-50, Apr 2010.
  • Wiener M., Hamilton R., Turkeltaub P., Matell M., Coslett B.: Fast forward: Supramarginal gyrus stimulation alters time measurement. Journal of Cognitive Neuroscience 22(1): 22-31, 2009.
  • Hindy, N.C., Hamilton, R.H., Houghtling, A.S., Coslett, H.B., Thompson-Schill, S.L.: Computer-mouse tracking reveals TMS disruptions of prefrontal function during semantic retrieval. Journal of Neurophysiology 102(6): 3405-3413, 2009.
  • Merabet L.B., Hamilton R., Schlaug G., Swisher J.D., Kiriakopoulos E.T., Pitskel N.B., Kauffman T., Pascual-Leone A.: Rapid and reversible recruitment of early visual cortex for touch. PlOS One 3(8): 1-12, 2008.
  • Hamilton, R H. Coslett, H B. Buxbaum, L J. Whyte, J. Ferraro, M K.: Inconsistency of performance on neglect subtype tests following acute right hemisphere stroke. Journal of the International Neuropsychological Society 14(1): 23-32, 2008.
  • Edlow L.B., Hamilton K., and Hamilton R.H.: Teaching about the brain and reaching the community: Undergraduates in the Pipeline Program at the University of Pennsylvania. Journal of Undergraduate Neuroscience Education 5(2): A63-A70, 2007.
  • Hamilton, Roy H. Hamilton, Karen. Jackson, Bryon. Dahodwala, Nabila.: Teaching: residents in the hospital, mentors in the community: the Educational Pipeline Program at Penn. Neurology 68(19): E25-8, May 8 2007.
  • Sullivan J., Hamilton R., Hurford M., Galetta S.L., and Liu G.T. : Neuroopthalmic findings in Wernicke's encephalopathy after gastric bypass surgery. Neuro- Opthalmology 30: 1-5, 2006.
  • Chatterjee, Anjan. Hamilton, Roy H. Amorapanth, Prin X.: Art produced by a patient with Parkinson's disease. Behavioural Neurology 17(2): 105-8, 2006.
  • Hamilton, Roy H. Shenton, Jeffrey T. Coslett, H Branch.: An acquired deficit of audiovisual speech processing. Brain & Language 98(1): 66-73, Jul 2006.
  • Hamilton, Roy H. Pascual-Leone, Alvaro. Schlaug, Gottfried.: Absolute pitch in blind musicians. Neuroreport 15(5): 803-6, Apr 9 2004.
  • Liebeskind, D S. Wong, S. Hamilton, R H.: Faces of the giant panda and her cub: MRI correlates of Wilson's disease. Journal of Neurology, Neurosurgery & Psychiatry 74(5): 682, May 2003.
  • Keenan, J P. Freund, S. Hamilton, R H. Ganis, G. Pascual-Leone, A.: Hand response differences in a self-face identification task. Neuropsychologia 38(7): 1047-53, 2000.
  • Van Boven, R W. Hamilton, R H. Kauffman, T. Keenan, J P. Pascual-Leone, A.: Tactile spatial resolution in blind braille readers.[see comment]. Neurology 54(12): 2230-6, Jun 27 2000.
  • Hamilton, R. Keenan, J P. Catala, M. Pascual-Leone, A.: Alexia for Braille following bilateral occipital stroke in an early blind woman. Neuroreport 11(2): 237-40, Feb 7 2000.
  • Pascual-Leone, A. Tarazona, F. Keenan, J. Tormos, J M. Hamilton, R. Catala, M D.: Transcranial magnetic stimulation and neuroplasticity. Neuropsychologia 37(2): 207-17, Feb 1999.