Abstract: Most of the attention researches investigate the single-focus attention and are based on static visual information. Pylyshyn’s (1988) Multiple Object Tracking (MOT) is a widely used paradigm in the study of limited capacity mechanism in multiple tracking, which, in comparison, is based on a dynamic situation. Multiple Identity Tracking (MIT), derived from MOT, that each object carrying an unique identity, is used to study more complicated cognitive process, such as attention, visual working memory. The study of the cognitive mechanisms in MOT and MIT will help us understanding the cognitive process of dynamic information in real and virtual world.

Key words: multiple object tracking, multiple identity tracking, attention, visual working memory