Emery Brown is a professor of computational neuroscience and health sciences and technology, with a joint appointment at MIT and Harvard University. He is also a professor of anesthesia at Harvard Medical School. MIT hide caption

itoggle caption MIT

A brain tumor is highlighted in blue on this MRI taken of the human brain. There were 43,800 new cases of brain tumors in the United States in 2005. National Cancer Institute hide caption

itoggle caption National Cancer Institute