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19 Human Eye Movements as Indicators of Complexity
Abstract Perceiving and interacting with the world around us is a multimodal process that involves orienting our eyes, head, and body towards objects of interest. It is also a highly dynamic process during which the eyes continuously scan the visual environment to sample information. This active sensing allows us to overtly and rapidly react and adapt to survival-critical changes in the environment. At a more subtle and covert level, it also accompanies and supports cognitive processes that underlie planning, decision making and problem solving. This chapter discusses research advances on active sensing during cognitive tasks at varying levels of complexity and proposes that eye movements can provide direct, real-time insight into cognitive processes, at a fine spatial and temporal scale.
