PSYCH 1XX3 Lecture Notes - Subjective Constancy, Principles Of Grouping, Outline Of Object Recognition
17 Mar 2014
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Document Summary
Gestalt principle: gestalt philosophy, whole greater than sum of the parts, reaction to structralists (breakdown to each invd. Pattern/object recognition: what a person expects to see can influence what they do see. If word presented beforehand recognition is faster: bi-directional activation processing occurs both directions at once, features of objects in combination with our expectations and guides object recognition. Stimuli cognition: biederman"s geon theory, 36 different geons ( simple geometrical forms stored in memory, eg. Cone, sphere, sylinder: possible to recognize 150 million different objects, some stimuli hard to define by geons, cons:some brain damage -> specific deficits. Perceptual constancies: define: our ability to perceive an object as unchanging even though the visual image roduced by the object is constantly changing, shape constancy perceive objects to have constant shape, variation in our perspective change. Depth cues shape how we perceive friend. Where objects located in visual scene, how they move w/n the scene.
