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June 7, 2011
This Electronic Still Camera (ESC) image shows James A. Pawelczyk, payload specialist, subject of human autonomic experiments in the Neurolab of the Earth-orbiting Space Shuttle Columbia. Jay C. Buckey, Jr., payload specialist (right hand in frame lower left corner), and Pawelczyk are conducting experiments involving the Lower Body Negative Pressure (LBNP) device to determine how the human nervous system adapts to the weightlessness of space.