The potential costs of vehicle simulators that induce operator discomfort and disorientation and feasible procedural countermeasures for reducing the effects of simulator sickness are discussed. A review of the ability to predict a person's susceptibility to simulator sickness based upon tests of perceptual style (field dependence-independence) reveals that there is little convincing evidence to support the contention that field-independent subjects are more susceptible than field dependent. A re-evaluation of several studies reporting to show such a relationship indicated considerable contradictory evidence.
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