Previous Mission Aquanaut With PVT Device (IMAGE)

National Space Biomedical Research Institute

Previous Mission Aquanaut With PVT Device

Caption

During NEEMO 12, veteran astronaut Heidemarie Stefanyshyn-Piper is shown with a Psychomotor Vigilance Test device. Also visible on the table is a clear bag for the daily saliva samples, which are used to measure cortisol, a hormone that provides information on stress levels.

Credit

NASA

Usage Restrictions

Use only with appropriate credit. Not for commercial use.

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.