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Correia Grácio, B.J. (author), de Winkel, K.N. (author), Groen, E.L. (author), Wentink, M. (author), Bos, J.E. (author)
Without visual feedback, humans perceive tilt when experiencing a sustained linear acceleration. This tilt illusion is commonly referred to as the somatogravic illusion. Although the physiological basis of the illusion seems to be well understood, the dynamic behavior is still subject to discussion. In this study, the dynamic behavior of the...
article 2013
document
de Winkel, K.N. (author), Clément, G. (author), Groen, E.L. (author), Werkhoven, P.J. (author)
Although the mechanisms of neural adaptation to weightlessness and re-adaptation to Earth-gravity have received a lot of attention since the first human space flight, there is as yet little knowledge about how spatial orientation is affected by partial gravity, such as lunar gravity of 0.16. g or Martian gravity of 0.38. g. Up to now twelve...
article 2012
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Correia Grácio, B.J. (author), Bos, J.E. (author)
Humans are able to estimate the vertical direction of an Earth fixed reference frame, which estimate is known as the subjective vertical (SV). To identify the SV, a distinction must be made between accelerations due to self-motion and gravity. Previous studies on this topic measured the SV using a variety of methods possibly affecting the...
article 2012
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Khalid, H. (author), Turan, O. (author), Bos, J.E. (author)
Subjective vertical (SV) conflict theory postulates that motion sickness is elicited in all situations that lead to a difference between the sensed and subjective verticals. The sensed vertical is Earth's gravity as perceived by human sense modalities; the subjective vertical is also Earth's gravity, but in accordance with the expectations of...
article 2011
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Khalid, H. (author), Turan, O. (author), Bos, J.E. (author), Incecik, A. (author)
Subjective-vertical conflict theory (Bles et al., 1998) postulates that all motion sickness provoking situations are characterized by a condition in which the vertical (gravity) sensed by the visual, vestibular and non-vestibular proprioceptors are at variance with the subjective (expected) vertical. SV-conflict models have successfully been...
article 2011
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