01:830:301 Midterm: Sensation and Perception Midterm 2 Study Guide - Ch. 4,5,6
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Organization of an image into distinct objects and groups. Different objects tend to differ in color. Ganglion cells in v1 respond to local information. Similar things group together; different things get segmented. The whole has a quality not captured by individual elements or parts . The whole is different than the sum of its parts . Contours that continue smoothly into each other tend to group into a single contour. Increasing the turning angle makes it less likely for good continuation. Items that share a common motion tend to group together. Contours that form closed figures tend to group together. The brain has internalized these regularities over evolution. Portions of a single object tend to be: Symmetric and parallel structure is prevalent in the natural world. Faces, human and animal bodies, plants, flowers. Contours along a single object tend to continue smoothly (good continuation) Figure side is perceived as being closer. The figure side is shaped by the contour.
