PSY100Y5 Lecture Notes - Lecture 2: Richard Wiseman, Observational Error, Ponzo Illusion
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PSY100Y5 Full Course Notes
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Perception: selection, organization, and interpretation of sensory input. how the organizes the picture. What we actually see is not what we actually preserve, example: illusions. Psychophysics - the study of how physical stimuli are translated into psychological experience. Absolute threshold - minimal intensity is detected 50% of the time! (more likely to be on the lab test) Weber"s law: size of jnd proportional to size of initial stimulus. ***perceiving forms, patterns, and objects**: reversible figures, perceptual sets. Theories of perception: feature detection theory - bottom-up processing, form perception - top-down processing reversible figures and perceptual sets demonstrate that the same visual stimulus can result in very different perception top-down: the cht down-top. Optical illusion - discrepancy between visual appearance and actual appearance. Depth perception cues: seeing objects in 3d rather than flat. Designed to demonstrate the muller-lyer illusion and to show how we can measure the size of a subjective experience using the.
