Eye movements and visual expertise in chess and medicine

Abstract

The chapter highlights the theoretical and applied contributions of eye movement research to the study of human expertise. Using examples drawn from the domains of chess and medicine, the chapter demonstrates that eye movements are particularly well-suited for studying two hallmarks of expert performance: the superior perceptual encoding of domain related patterns, and experts’ tacit (or implicit) domain related knowledge. Specifically, eye movement findings indicate that expertise is associated with a greater ability to process domain related visual information in terms of larger patterns of features rather than isolated features. Furthermore, in support of the role of tacit knowledge in expertise, there is evidence that the eye movements of experts may contain information that is not consciously accessible.

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