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Motion Sickness: A Study of Its Effects on Human Physiology.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
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The purpose of this thesis project was to study motion sickness by including it on volunteer subjects and monitoring several of their physiological parameters. During the thesis period, the existing procedures and methods for collecting and analyzing data were revised, and data were collected on sixteen human subjects. Data and analysis of cardiograms, encephalograms, pneumograms, splanchnograms, and plethysmograms are presented in this thesis. Heart rates increased during motion sickness for all subjects, but rates slightly decreased just prior to emesis and increased again after emesis for about half of the subjects. Some encephalograms showed high amplitude low frequency activity as in previous experiments done at AFIT, but they also showed slowed alpha activity. The pneumograms showed that intake volumes at least doubled on all subjects during motion sickness signifying the occurrence of hyperventilation. Splanchnograms showed an increase in amplitudes and frequencies of electrical activity and a decrease of mechanical activity. And plethysmograms showed blood volume in the skin decreased during motion sickness.
APPROVED FOR PUBLIC RELEASE