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Nuclear radiation exposure during aircraft missions caused minor behavioral changes and vomiting in trained rhesus monkeys. Performance was slightly affected in most subjects, highlighting radiation risks for aviators.

Area of Science:

Aerospace Medicine
Radiation Biology
Primate Behavior

Background:

Aircraft missions may involve exposure to nuclear radiation.
Understanding radiation effects on trained personnel is crucial for mission safety.

Purpose of the Study:

To investigate the behavioral effects of simulated nuclear radiation exposure on primates.
To assess performance on a critical task during a prolonged simulated mission.

Main Methods:

Four rhesus monkeys trained on a primate equilibrium platform were exposed to simulated aircraft radiation.
Performance was monitored during a hypothetical 72-hour mission following initial exposure.

Main Results:

Minor performance decrements were observed in three out of four subjects.

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All subjects experienced emesis (vomiting) following radiation exposure.

Conclusions:

Nuclear radiation exposure can induce physiological and minor behavioral changes in primates.
Emesis is a significant indicator of radiation effects in this context.
Further research is needed to fully understand long-term impacts on aviators.