Head Down Tilt Bed Rest Plus Elevated CO₂ as a Spaceflight Analog: Effects on Cognitive and Sensorimotor Performance.

ABSTRACT: Long duration head down tilt bed rest (HDBR) has been widely used as a spaceflight analog environment to understand the effects of microgravity on human physiology and performance. Reports have indicated that crewmembers onboard the International Space Station (ISS) experience symptoms of elevated CO₂ such as headaches at lower levels of CO₂ than levels at which symptoms begin to appear on Earth. This suggests there may be combinatorial effects of elevated CO₂ and the other physiological effects of microgravity including headward fluid shifts and body unloading. The purpose of the current study was to investigate these effects by evaluating the impact of 30 days of 6° HDBR and 0.5% CO₂ (HDBR + CO₂) on mission relevant cognitive and sen

SUBMITTER: Lee JK 

PROVIDER: S-EPMC6811492 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature