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chapter 5 Sensation & Perception

The ames room usually rooms are rectangular but this

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Unformatted text preview: caused the eyes to lie - Because there was a feeling of impending attack from the Iranians, the top down interpretation of stimuli is changed by their fears and expectations; even though it should the plane was not on an attack course, it became the reality that the crewmen experienced - They had a perceptual set: a readiness to perceive stimuli in a particular way - When students were told that a particular lecturer was cold and evil, they liked him less than if they were told that he was warm and friendly even if they attended the same lecture Stimuliarerecognizableunderchangingconditions:perceptual constancies - Perceptual constancies allow us to recognize familiar stimuli under varying conditions, otherwise we would have to rediscover things every time we something new - Shape constancies allow us to recognize people and other objects from many angles - Brightness constancy: relative brightness of objects remain the same under different conditions of illumination such as full sunlight and shade This is because the ratio of illumination remains the same - Size Constancy: size of an objects remain relatively the same even though it changes relative to distance A person standing twice as far away isn't perceived as half as tall PerceptionofDepth,Distance,andMovement DepthandDistancePerception - Images are 2D, but the brain translates them into 3 dimensional perceptions through monocular cues (which requires only 1 eye) and binocular cues (requires both eyes) MonocularDepthCues - Patterns of light and shadow Linea...
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