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Published byMarsha Neal Modified over 9 years ago
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Sensation and Perception
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Selective attention Focusing attention on one aspect of our experience E.g. Focusing on good looks and ignoring personality
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Figure & ground Figure = Foreground - what we focus on Ground = Background
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What do you see?
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Grouping Proximity Similarity Continuity Connectedness Closure Seeing complete letters on a sign even though some bulbs are burned out.
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Depth perception Visual cliff Infants will stop at the “cliff” The ability to perceive depth is at least partially innate.
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Perceptual organization Gestalt psychologists The whole is more than the sum of its parts
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Perceptual illusions
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Linear perspective Parallel lines converge E.g. Railroad tracks
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Motion perception Phi phenomenon Apparent movement of stationary lights Las Vegas marquees Stroboscopic movement Cartoon book flip pages
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Which is larger?
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Perceptual consistency Ponzo Illusion A bar further away appears larger even if the same size on our retinas.
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Retinal Disparity Floating finger illusion
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Muller-Lyer Illusion Misperception of length of lines
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Perceptual Set How do our beliefs affect our perception? Definition of the situation We often perceive what we expect to see Our mental predisposition influences what we perceive
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Context effects What you see is affected by the context in which you saw it.
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Human factor psychologists Organizing machines to fit our natural perceptions How could this natural map be made even better?
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Human factor psychologists: Designing flight instrument displays for pilots
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Extrasensory perception Telepathy Mind-to-mind communication Clairvoyance Perceiving remote events Precognition Perceiving future events Psychokinesis Mind over matter E.g. bending a spoon or raising a table
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There is no reliable evidence that anyone possesses ESP.
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