Joseph H. Ricker, PhD, ABPP (CN, RP), is the Director of Neuropsychology and Rehabilitation Psychology and an Associate Professor in the Department of Physical Medicine and Rehabilitation at the University of Pittsburgh. Dr. Ricker's overall program of research is in the examination of neurobiological correlates and predictors of cognitive impairment, recovery and rehabilitation following human brain trauma. Current research projects include the examination of altered cerebral blood flow and metabolic correlates of impaired episodic and working memory after brain injury (through the use of fMR...