Abstract：
:Motion sickness is preceded by differences in the quantitative kinematics of body sway between individuals who (later) become sick and those who do not. In existing research, this effect has been demonstrated only in measures of body sway, relative to the earth. However, body sway can become coupled with imposed oscillatory motion of the illuminated environment, and the nature of this coupling may differ between individuals who become sick and those who do not. We asked whether body sway would become coupled to complex oscillations of the illuminated environment, and whether individual differences in such coupling might be precursors of motion sickness. Standing participants (women) were exposed to complex oscillation of the illuminated environment. We examined the strength of coupling as a function of time during exposure. Following exposure, some participants reported motion sickness. The nature and temporal evolution of coupling differed between participants who later reported motion sickness and those who did not. Our results show that people can couple the complex dynamics of body sway with complex imposed motion, and that differences in the nature of this coupling are related to the risk of motion sickness.
journal_name
Hum Mov Scijournal_title
Human movement scienceauthors
Walter HJ,Li R,Munafo J,Curry C,Peterson N,Stoffregen TAdoi
10.1016/j.humov.2019.03.006subject
Has Abstractpub_date
2019-04-01 00:00:00pages
389-397eissn
0167-9457issn
1872-7646pii
S0167-9457(18)30739-5journal_volume
64pub_type
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