ANAT241 Lecture Notes - Lisa Lopes, Visual Acuity, Illusory Contours
20 Jan 2017
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Psy280: lecture 5 notes: describe and recognize the parameters of middle vision, middle vision is the stage of processing that comes after basic features and before object recognition or scene understanding. Perceptual experience is combination of lower components, e. g. color, size : structuralists could not explain illusory contours or apparent motion. It is about the matching of image to the mental template. The brain looks at the basic structure of the image but not the specific details, so no overwhelmingly many templates are needed. Object recognition is by matching to the templates: structural description: it is about how do the objects relate to each other or not. It is shown that neural activity correlates with experience. Closure: things that form closed shapes are grouped together; tend to close objects that are incomplete. Common fate: things that are moving in the same direction are being grouped together. It is effective for differentiating objects based on shape, size, colors, and orientation.
