Short Title:
HMD Artificial Horizon - Lab
Responsible HRP Element:
Human Health Countermeasures
Funding Status:
Active - Currently funded and in progress
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Procurement Mechanism(s):
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Aims:
1) Assess the incidence, severity, and time course of motion sickness resulting from i) simulated
microgravity transitions, ii) passive motion mimicking that of the capsule at sea, and iii) the combination of (ii) following (i). To better understand the contributing factors of the unique combination of motion sickness stimuli following water landings, we will systematically assess them in ground-based laboratory experiments using human-rated motion simulators.
2) Evaluate the benefit of external visual references for reducing motion sickness during
passive self-motion. In the conditions of SA1, we will assess a series of visual scenarios, comparing cues moving with the subject (as in the interior of the capsule) to Earth-fixed visual cues. We anticipate external visual cues will enable the CNS to predict upcoming motion stimulation, reducing sensory conflict and motion sickness.
3) Investigate the benefit of active postural control during passive self-motion. We will quantify
motion sickness with the seated subject a) fully restrained (head and body restrained), b) head unrestrained (but body restrained), c) full torso unrestrained. In conditions b) and c), subjects will be asked to attempt to keep their head/torso upright during the passive motion stimulation. By actively engaging postural control mechanisms, the CNS will anticipate motion and partially control the sensory stimulation, again reducing sensory conflict and motion sickness.
Other Resources
| Other Resources Needed?
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Yes
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Category:
Countermeasure
Subcategory:
Protocol
Description:
1) Evidence-based assessment of promising (but not yet tested for this scenario) non-pharmacological approaches to mitigating motion sickness, grounded by the sensory conflict theory.
2) Ground-based approaches for simulating motion sickness expected in astronauts during water landings.
Internal Customers:
None
External Customers:
None