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Human Factors
Fatigue Countermeasures cockpit

Photo No. ACD02-0099-006

The NASA Ames Fatigue Countermeasures Group studies the effects of sleep loss and jet lag, and conducts training to counter these effects. These fatigue countermeasures can improve flight crew performance and alertness. Fatigue research has been conducted in a variety of aerospace environments and simulations, including the Space Shuttle. Recently, the group worked with the Mars Exploration Rover (MER) Surface Operations team to minimize the effects of fatigue while working on “Mars time.”

Learn about how fatigue affects performance—in space, in the air, and in MER Mission Control—at the NASA exhibits. For more information about fatigue countermeasures, visit the “Z Team” web site at

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AFTE suit

Photo No. ACD02-0130-015

Autogenic Feedback Training Exercise (AFTE) teaches people how to monitor and control physiological responses in high-stress environments. While wearing the ambulatory monitoring and feedback suit, astronauts and cosmonauts have received training that has helped them to adapt to weightless conditions in space, and re-adapt to Earth after their return. AFTE has also improved Coast Guard pilot performance in C-130 aircraft during emergency flying conditions.

See an AFTE suit in action at the NASA exhibits.

To learn more about autogenic feedback, visit:

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Scientist with headphones

Photo No. ACD03-0036-001

3-D audio enhances the quality of audio that pilots may hear over their headsets when working in noisy aerospace environments. Airline pilots must react quickly to auditory warning signals and instructions from Air Traffic Control. 3-D audio allows greater separation of the multiple audio sources a pilot hears through the headset. It also creates greater situational awareness for pilots through the use of directional sound.

What does 3-D audio sound like? Come visit us at the NASA exhibits and experience it yourself.

To hear an online demo, go to

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cockpit display of traffic information

Photo No. ACD03-0227-005_retouch

Cockpit Display of Traffic Information (CDTI) provides pilots in a “free flight” environment with a detailed, 3-D display of the weather and air traffic around them. The tool helps pilots to quickly specify flight paths and resolve conflicts, a task that is currently done by air traffic controllers.

Come explore the 3-D CDTI airspace at the NASA exhibits. To learn more about CDTI, visit the AMES Flight Deck Research Group at:

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