Multisensory, cognitive, and motor influences on human spatial orientation in weightlessness.

  title={Multisensory, cognitive, and motor influences on human spatial orientation in weightlessness.},
  author={James R. Lackner and Paul DiZio},
  journal={Journal of vestibular research : equilibrium & orientation},
  volume={3 3},
Exposure to weightlessness affects the control and appreciation of body position and orientation. In free fall the perception of one's own orientation and that of the surroundings is dependent on the presence or absence of contact cues, whether part of the body is visible in relation to the architecturally defined verticals of the space craft, cognitive factors, and exposure history. Sensations of falling are not elicited in free fall when the eyes are closed or the visual field is stabilized… CONTINUE READING
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