![]() ![]() ![]() We have a remarkable ability to divide attention across multiple foci, both in physical space, and conceptually. Human attention is by nature a limited resource, and decades of research have been conducted into its strengths and its limitations. One classic definition of mental workload by Hart & Staveland (Hart & Staveland, 1988) is “the perceived relationship between the amount of mental processing capability or resources and the amount required by the task”. ![]() De Zwart et al., 1996), the concept of cognitive workload, or mental workload, is less self-evident. While the physical elements of workload are generally well understood (e.g. The need to understand operator workload is a key requirement across numerous sectors, including maritime shipping (Lützhöft et al., 2011), nuclear power operations (Sheridan, 1981), air traffic control (Loft et al., 2007), driving (Trick et al., 2009), and many other contexts that impose a high demand on the human attentional system. ![]()
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