PSY 211 Lecture Notes - Lecture 6: Ebbinghaus Illusion, Charles Gross, Schizophrenia
Document Summary
Are useful in the study of perception because there may be many ways to perceive something correctly, but only a few ways to make a specific pattern of errors. Goal of studying illusions is not to understand the illusions, but is instead to understand the algorithms and heuristics of normal perception. Effect of context on size perception in chronic schizophrenia: Disorganized patients are more accurate than controls when context is misleading. A mask that is hollow on one side and one that is coming out. Our perception makes it seem as if they"re both coming out. Gestalt psychologists believed that a whole is not just a collection. Overall organization of the visual input influences how the parts are interpreted. Gestalt means "figure" in the sense of unified or meaningful whole. We interpret the visual input as corresponding to the simplest possible set of objects. Two simple shapes are preferred over one complex shape.