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As we will discuss in the following chapter, sources of information that need to be integrated in diagnosis, should be made available simultaneously (not sequentially; to mitigate anchoring), and in close display proximity so that all can be accessed with minimal effort. Emergent features of object displays can sometimes facilitate the integration process in diagnosis [442, 443, 444]. Automation and decision support tools. Finally, automation and expert systems have offered promise in supporting human decision making. This is described in much more detail in Chapter 11, but to provide a link here, such support can be roughly categorized into front end (diagnosis and situation assessment) and back end (treatment, choice and course-of-action recommendations) support. This dichotomy is well illustrated in the two major classes of medical decision aids [445, 446], because automation is so closely bound to decision support tools and expert systems decision advisors, we postpone further discussion of this topic until Chapter 11, where the entire chapter is devoted to human-automation interaction.