STS-40 crewmembers, working in SLS-1 module, conduct Experiment No. 072

STS040-211-020 (5-14 June 1991) --- Vestibular experiment activities were captured onboard Columbia's Spacelab Life Sciences (SLS-1) module in this 35mm scene. Astronaut James P. Bagian, STS-40 mission specialist, is in a rotating chair while wearing an accelometer and electrodes to record head motion and horizontal and vertical eye movements during the rotations. Payload specialist Millie Hughes-Fulford, lower left, assists with the test.