Intra-Op Monitoring Services (IOM) is a team of health care professionals promoting awareness and utilization of neurophysiological monitoring. Using advanced monitoring technology, we assess the functional integrity of the peripheral and central nervous system in the operating room, intensive care unit and other acute care settings. Intra-Op Monitoring Services was founded to: * Promote the highest standards in neurophysiology * Promote education and dissemination of knowledge in the field of neurophysiological monitoring * Develop unified standards for training and practice * To foster growth and stature of neurophysiological monitoring as a specific field