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Human otolith function, experiment M009The experiments that were performed during the Gemini 5 and 7 missions resulted in quantitative information concerning otolithic function and orientation of four subjects exposed to an orbiting spacecraft environment for prolonged periods of time. Preflight counterrolling measurements revealed significant differences between crewmembers with regard to the basic magnitude of otolith response. However, after the flight, each crewmember maintained his respective preflight level of response. This was indicative that no significant change in otolithic sensitivity occurred as a result of the flight, or at least no change persisted long enough to be recorded several hours after recovery. The EVLH data recorded for each subject confirmed the observation that a coordinate space sense exists even in a weightless environment if contact cues are adequate. However, it was noted that the apparent location of the horizontal within the spacecraft may not agree necessarily with its physical correlate in the spacecraft.
Document ID
19720006412
Document Type
Other
Authors
Graybiel, A. (Naval School of Aviation Medicine Pensacola, FL, United States)
Miller, E. F., II (Naval School of Aviation Medicine Pensacola, FL, United States)
Date Acquired
August 6, 2013
Publication Date
September 1, 1971
Publication Information
Publication: NASA. Manned Spacecraft Center The Gemini Program Biomed. Sci. Expt. Sum.
Subject Category
BIOSCIENCES
Report/Patent Number
EXPT-M009
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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