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Published in:
2010 | OriginalPaper | Chapter
Vestibular Research during Spaceflight – The Role of the Gravity Vector
Authors : A. H. Clarke, F. -J. Baartz
Published in: 6th World Congress of Biomechanics (WCB 2010). August 1-6, 2010 Singapore
Publisher: Springer Berlin Heidelberg
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The vestibular labyrinth in the inner ear can be likened to a six degree-of-freedom navigation transducer. The so-called semicircular canals operate as a triaxial angular rate sensor, thus perceiving rotations of the head about any axis. The so-called otolith organs operate similarly to a triaxial linear accelerometer, transducing linear acceleration, and therefore gravity. For example they provide the necessary information to determine where “up” and “down” is.