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June 7, 2011
This Electronic Still Camera (ESC) image shows Jay C. Buckey, Jr., and James A. Pawelczyk, payload specialists, conducting human autonomic experiments in the Neurolab of the Earth-orbiting Space Shuttle Columbia. The pair have been conducting autonomic experiments involving the Lower Body Negative Pressure (LBNP) device, to investigate how the human nervous system adapts to the weightlessness of space.