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Visual field influence on manual roll and pitch stabilizationHuman control performance in nulling perceived tilt angles was investigated for combinations of pseudo-random vestibular disturbances and different waveforms of low frequency wide visual field motions. For both roll and pitch axes, subjects tilted the trainer in which they were seated in the direction of field rotation. This visual bias was much stronger for pitch backwards with upward field rotation. Frequency response analysis showed the dominance of visual cues at low frequencies (below 0.06 Hz) and the reliance on vestibular information in the high frequency range for both axes. Models suggest that operator balancing responses at high frequencies are mainly processed by the semicircular canals rather than the otolith organs. The results also suggest that the subject tends to rely less on the otolith organs for pitch perception than for roll.
Document ID
19880058126
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Huang, J.-K.
(Old Dominion University Norfolk, VA, United States)
Young, L. R.
(MIT Cambridge, MA, United States)
Date Acquired
August 13, 2013
Publication Date
July 1, 1988
Publication Information
Publication: Aviation, Space, and Environmental Medicine
Volume: 59
ISSN: 0095-6562
Subject Category
Behavioral Sciences
Accession Number
88A45353
Funding Number(s)
CONTRACT_GRANT: NSG-2032
CONTRACT_GRANT: NAG2-445
CONTRACT_GRANT: NAG2-88
CONTRACT_GRANT: NAG2-12
Distribution Limits
Public
Copyright
Other

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