S93-45368 (29 Sept 1993) --- Payload specialist Martin J. Fettman (face obscured), in an oscillating sled device, participates in a data collection project for neurovestibular functions. Assisting the test are Dr. Laurence Young, alternate payload specialist, and an unidentified MIT student. The seven Spacelab Life Sciences (SLS-2) crew members devoted a full day to miscellaneous biomedical data collection in preparation for next month's two week mission aboard Columbia.