SYMPOSIUM ON MOTION SICKNESS WITH SPECIAL REFERENCE TO WEIGHTLESSNESS.
AEROSPACE MEDICAL RESEARCH LABS WRIGHT-PATTERSON AFB OHIO
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This report compiles the papers prepared for the symposium on motion sickness during a weightless state held at the Behavioral Sciences Laboratory, Aerospace Medical Laboratory, Wright-Patterson AFB in March 1960. Motion sickness is defined, its etiology is discussed, and proposals for prophylaxis and treatment are made. It contains a panel discussion among the principal contribu tors of the symposium, a theoretical study and two papers dealing with personal experiences in weightlessness. The high incidence of nausea occurring in the zero-G flights was suspected to be largely due to the excessive accelerations occurring in the pre- and post-zero-G periods accompanying these flights. Evidence to date indicated that weightlessness by itself was not nauseating, however, rapid head movements in the environment could rapidly produce disturbing influences. Author