PSYCH 7A Lecture Notes - Lecture 7: Necker Cube, Retina, Railways Act 1921
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Psych 7a - lecture 7 - sensation & perception (cont. ) Sometimes our perception of an entire stimulus has qualities that don"t exist in the individual parts. Gestalt psychologists believed that, in perception, the whole is more than the sum of its parts. Example: the necker cube individual elements just circles with white lines. When put together it"s something more than just 8 of these individual elements. Gestalt psychologists described principles by which we organize sensations into perceptions. One of the first things we do in perceiving an object is to separate it from its surroundings (background). We always separate an image into a figure seen against a ground. The same stimulus can trigger more than one perception! Proximity things that are near each other tend to be grouped together. Similarity things that are alike in some way (e. g. color, shape, size) tend to be perceived as belonging together. Continuity lines and patterns tend to be perceived as continuing in space.
