In this episode, I talk with Roy Hamilton, Associate Professor of Neurology at the University of Pennsylvania, about his work using transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (TDCS), and in particular the application of these neuromodulatory techniques to enhance recovery from aphasia. Laboratory for Cognition and Neural Stimulation Penn Brain Science, Translation, Innovation, and Modulation Center Hamilton RH, Pascual-Leone A. Cortical plasticity associated with Braille learning. Trends Cogn Sci 1998; 2: 168-174. [doi] Naeser MA, Martin PI, Treglia E, Ho M, Kaplan E, Bashir S, Hamilton R, Coslett HB, Pascual-Leone A. Research with rTMS in the treatment of aphasia. Restor Neurol Neurosci 2010; 28: 511-529. [doi] Hamilton RH, Chrysikou EG, Coslett B. Mechanisms of aphasia recovery after stroke and the role of noninvasive brain stimulation. Brain Lang 2011; 118): 40-50. [doi] Price AR, Peelle JE, Bonner MF, Grossman M, Hamilton RH. Causal evidence for a mechanism of semantic integration in the angular gyrus as revealed by high-definition transcranial direct current stimulation. J Neurosci 2016; 36: 3829-3838. [doi] Carr RM, Lane-Fall MB, South E, Brady D, Momplaisir F, Guerra CE, Montoya-Williams D, Dalembert G, Lavizzo-Mourey R, Hamilton R. Academic careers and the COVID-19 pandemic: Reversing the tide. Sci Transl Med 2021; 13: eabe7189. [doi]