The APSF Committee on Education & Training awards the Ellison C. Pierce Research Award for Best Scientific Exhibit at the ASA 2013 Annual Meeting in San Francisco, CA. Dr. Richard Prielipp, APSF Committee Chair, presents the award to Dr. Greg Goldenhersh of the University of Florida for the exhibit: Mixed Reality Regional Anesthesia Simulator for Learning Psychomotor and Cognitive Skills Related to Thoracic Epidural, Thoracic Costal, and Thoracic Paravertebral Nerve Blocks [exhibit # SO8].This exhibit highlights a 3D anatomic reconstruction of bony and soft tissue elements of the spine while tracking a user (student) directed physical Tuohy needle. Mock ultrasound provides guidance and feedback as the needle tip is localized in 3D space with real-time visualization technology. Learner feedback is visual, tactile, and auditory.