![Psychomotor Vigilance Task (PVT) test](https://www.nasa.gov/wp-content/uploads/2023/03/1-psychomotor_vigilance_task_pvt.jpg)
Astronauts on NEEMO 16 in 2012 Take a Psychometer Vigilance Task Test
NASA astronauts take a Psychomotor Vigilance Task (PVT) test while doing simulated space maneuvers on the ocean floor during NEEMO 16.
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https://www.nasa.gov/image-detail/astronauts-neemo-16-2012-take-psychometer-vigilance-task-test/
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