Our brains undergo all kinds of states of consciousness… But how? And what are those states? WUOT’s Chrissy Keuper interviewed Helen Baghdoyan, Beaman Professor, and Ralph Lydic, Robert H. Cole Endowed Professor of Neuroscience. The couple teaches anesthesiology and psychology at the University of Tennessee. They spoke about their research on how the brain regulates various states of consciousness and how anesthesia actually works. Listen here.