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More recently, we have proposed that perceivers continuously attempt to predict the near future, and perceive event boundaries at those points when prediction fails (Zacks et al., 2007). A change in one or more of these features defines a “breakpoint,” and breakpoints cognitively organize one's representation of the activity in perception and memory. In Newtson's ( 1976) account, behavior perception is a feature monitoring process in which perceivers monitor for changes in some criterial set of features. Some psychological theories of event segmentation have proposed that segmentation is automatic and ongoing.
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This article focuses on the segmentation of experience in time. 488), recognition of objects and actions is difficult (Biederman, 1987), and planning breaks down (Spector and Grafman, 1994). Without proper segmentation, activity is merely a “blooming, buzzing confusion” (James, 1890, p. You also will need to segment the ongoing activity into temporal parts – parking your car, chatting with a neighbor, buying tomatoes. To navigate the situation, you will need to segment the dynamic scene into spatial parts – stalls, people, fruits and vegetables, carts. Segmentation is a fundamental component of perception that plays a critical role in understanding. These results support accounts that propose event segmentation is automatic and depends on processing meaningful changes in the perceived situation they are the first to show such effects for extended naturalistic human activity.
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Large transient responses were observed when the activity was segmented, and these responses were mediated by changes in the observed activity, including characters and their interactions, interactions with objects, spatial location, goals, and causes. To test this hypothesis and study this potential mechanism, we measured brain activity while participants viewed an extended narrative film. Observers may identify boundaries between events as a result of processing changes in the observed situation. The current study tested the hypotheses that event segmentation is an automatic component of the perception of extended naturalistic activity, and that the identification of event boundaries in such activities results in part from processing changes in the perceived situation. Segmentation is a core component of perception that helps determine memory and guide planning. Observers segment ongoing activity into meaningful events.