Web-Based Programs Assess Cognitive Fitness

Astronauts, pilots, air traffic controllers, truck drivers, shift workers, and mountain climbers have something in common: All are at risk for impaired cognitive abilities due to stress or sleep deprivation. Whether in space or on Earth, stress and sleep loss can cause a reduction in certain cognitive abilities, such as working memory, reaction time, and problem solving. Because mission safety and success depend on being able to think clearly and function well, NASA began exploring a small, portable way for astronauts to monitor themselves and their cognitive fitness while in space, especially on future missions to Mars that will require extended periods in stressful environments.