Abstract
Objective To explore the influence of short-time head-down tilt simulated weightlessness on the performance of motion direction judgment. Methods Eighty subjects were randomly divided into two groups. Two groups were required to judge the motion direction under the conditions of natural gravity and short-time head-down tilt simulated weightlessness, respectively. Results The main effect of motion directions is significant. The performance of judging the upward, downward, rightward, and leftward motion is different. The interactive effect between gravity conditions and motion directions is significant. Angular deviation of judging the upward motion is significantly larger under simulated weightlessness condition compared to natural gravity condition. Conclusion There is a difference in judging different motion directions. Different gravity conditions only influence specific motion direction, and perceptive deviation of the upward motion is larger under simulated weightlessness condition.
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Acknowledgements
This work was supported by the Foundation of Key Laboratory of Science and Technology for National Defense (No. 6142222030301, No. 614222204020617, No. 9140A26070215KG57417, No. 9140C770205150C77319), and the Foundation of National Key Laboratory of Human Factors Engineering (No. SYFD170051802).
Compliance with Ethical Standards
The study was approved by the Logistics Department for Civilian Ethics Committee of Zhejiang Sci-Tech University.
All subjects who participated in the experiment were provided with and signed an informed consent form.
All relevant ethical safeguards have been met with regard to subject protection.
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Wang, D., Han, Q., Tian, Y. (2019). The Influence of Short-Time Head-Down Tilt Simulated Weightlessness on Performance of Motion Direction Judgment. In: Long, S., Dhillon, B. (eds) Man-Machine-Environment System Engineering . MMESE 2018. Lecture Notes in Electrical Engineering, vol 527. Springer, Singapore. https://doi.org/10.1007/978-981-13-2481-9_49
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DOI: https://doi.org/10.1007/978-981-13-2481-9_49
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