PSY270H1 Chapter 3: Chapter 3 reading

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28 May 2011

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Perception: experiences resulting from stimulation of the senses. can change based on added information can involve process similar to reasoning or problem solving. allows us to accomplish tasks: memory, knowledge, problems, communication cognition. Bottom-up processing: processing that begins with stimulation of the receptors (when see image) Physiological: light reflected from tree stimulates visual receptors in eye, triggers electrical signals to be sent to brain and thus becomes our perception. Behavioural: perception can be created by combinations of individual features (biederman: biederman: recognition by components (rbc) theory proposes that we perceive objects by perceiving elementary features like those in geons. geons: perceptual building blocks combined to create object. Recognize object if we are able to perceive just a few of its geons. Principle of componential recovery if we can recover (see) an object"s geons, we can identify the object. (only see partial part of the object)

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43. Compared to cognitive dissonance theory, self-perception theory A) makes quite different predictions about attitude change B) gives quite different explanations of attitude change C) provides a more sophisticated methodology for measuring the psychological tension of dissonance D) is based on many more elaborate theoretical constructs E) there is no difference between the two

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