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|Title: ||Frequency characteristics of visually induced motion sickness|
|Authors: ||Diels, Cyriel|
Howarth, Peter A.
|Keywords: ||Simulator sickness|
|Issue Date: ||2013|
|Publisher: ||Sage Publications / © Human Factors and Ergonomics Society.|
|Citation: ||DIELS, C. and HOWARTH, P.A., 2013. Frequency characteristics of visually induced motion sickness. Human Factors, 55 (3), pp. 595 - 604.|
|Abstract: ||Objective: The aim of this study was to explore
the frequency response of visually induced motion
sickness (VIMS) for oscillating linear motion in the foreand-
Background: Simulators, virtual environments,
and commercially available video games that create an
illusion of self-motion are often reported to induce
the symptoms seen in response to true motion. Often
this human response can be the limiting factor in the
acceptability and usability of such systems. Whereas
motion sickness in physically moving environments
is known to peak at an oscillation frequency around
0.2 Hz, it has recently been suggested that VIMS peaks
at around 0.06 Hz following the proposal that the
summed response of the visual and vestibular selfmotion
systems is maximized at this frequency. Methods: We exposed 24 participants to random
dot optical flow patterns simulating oscillating foreand-
aft motion within the frequency range of 0.025 to
1.6 Hz. Before and after each 20-min exposure, VIMS was
assessed with the Simulator Sickness Questionnaire.
Also, a standard motion sickness scale was used to rate
symptoms at 1-min intervals during each trial.
Results: VIMS peaked between 0.2 and 0.4 Hz with
a reducing effect at lower and higher frequencies.
Conclusion: The numerical prediction of the
“crossover frequency” hypothesis, and the design
guidance curve previously proposed, cannot be accepted
when the symptoms are purely visually induced.
Application: In conditions in which stationary
observers are exposed to optical flow that simulates
oscillating fore-and-aft motion, frequencies around 0.2
to 0.4 Hz should be avoided.|
|Description: ||This article was published in the journal, Human Factors [Sage Publications / © Human Factors and Ergonomics Society.]. The definitive version is available at: http://dx.doi.org/10.1177/0018720812469046|
|Version: ||Submitted for publication|
|Publisher Link: ||http://dx.doi.org/10.1177/0018720812469046|
|Appears in Collections:||Published Articles (Design School)|
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