**Deconstructing Central Pain with Psychophysical and Neuroimaging Studies**

J.J. Cheng1, D.S. Veldhuijzen3, J.D. Greenspan2 and F.A. Lenz1 *1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore 2Department of Biomedical Sciences, University of Maryland Dental School, Program in Neuroscience, Baltimore 3Division of Perioperative Care and Emergency Medicine, Rudolf Magus Institute of Neuroscience, Pain Clinic, University Medical Center Utrecht, Utrecht, 1,2USA 3Netherlands* 
