George Ojemann is a professor of neurosurgery at the University of Washington. Dr. Ojemann uses neurosurgical approaches to investigate the basic neurobiology of human cognition, especially language, memory and learning. These investigations have included studies of the localization of sites in human cortex where function is apparently essential for language and recent memory (using the electrical stimulation mapping technique), localization of sites where neurons are active with those functions (using optical imaging of the "intrinsic" signal from human cortical surface) and correlates of language, recent memory and learning in recordings of neuronal activity in human cortex.