PS260 Study Guide - Final Guide: Semantic Memory, Episodic Memory, Explicit Memory

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Feb 7th 2013: super ordinate level of categorization animal is the most general, the midpoint (basic level of categorization) bird, the subordinate level black-winged chickadee. Object recognition the process whereby we match an incoming stimulus with stored representations for the purpose of identification. (identifying and classifying what it is we have latched on to) Levels of categorization also known as gradations of specificity that can be used in describing everyday categories. Rosh says that the middle level dominates our cognitive processing. Entry point for recognition the default level of categorization that we use for familiar objects. We use both bottom-up and top-down processing for recognizing objects. When an object is obstructed, we rely on our knowledge, expectations, and surrounding contexts to supplement the data (ie top-down) Bottom-up is how we identify objects from past data and experiences. Study by palmer, rosch, and chase (1981) on the perspective effects of cognition. Participants were given a number of pictures of objects.

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