Change Detection

Change detection is the noticing of change in the world around us. For example, when driving in traffic, the vehicles around us constantly change their positions, and sometimes their speed and direction as well. To avoid collisions, we must notice any such changes and respond to them. More generally, the ability to detect change is important for coping with everyday life; humans (and most animals) are consequently quite good at it. However, our knowledge of how changes are detected remains incomplete. The progress that has recently been made owes its existence to two related developments: (1) a realization of some of the confusions and assumptions built into our previous ideas about change, and (2) new methodologies that allow it to be more effectively isolated and ...

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