NEEMO 13 aquanaut, astronaut Richard Arnold, performs the Psychomotor Vigilance Test
(PVT), a three-minute test which measures vigilance, attention and psychomotor
speed. The PVT is taken at least four times a day –” on waking, before and after
simulated moon walks, dives and habitat experiments, and before bed.
Credit: National Space Biomedical Research Institute |
