In this paper, we examine the influence of autonomy and cognitive ability on workload in unmannedsystems. First, we outline prior research regarding the role of autonomy and operator selection in decreasingworkload in the realm of human-robot interaction. Next, we discuss two aspects of cognitive ability (i.e.,visualization and perceptual speed) explain differences between these constructs, and their influence onworkload. Then, we describe the current study and discuss the effects of varying levels of autonomy,visualization, and perceptual speed on workload in a simulated reconnaissance mission. Finally, we explorethe implications of our findings in terms of the influence of autonomy and operator selection and providesuggestions for future research.
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