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8 Cards in this Set

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  • Back
The tendency to percieve objects, especially familiar objects, as constant and unchanging despite changes in sensory input.
perceptual constancy
The perceprion of an object as maintaining that same size despite changing images on the retina.
size constancy
The perception of a familiar object as maintaining the same shape regardless of the image produced on the retina.
shape constancy
The misperception of the true characteristics of an object or an image.
perceptual illusion
A famous visual illusion invlolving the misperception of the identical length of two lines, one with arrows pointing inward, one with arrows pointed outward.
Muller-Lyer illusion
A visual illusion involving the misperception that the moon is larger when it is on the horizon than when it is directly overhead.
moon illusion
The influence of prior assumptions and expectations on perceptual interpretations.
perceptual set
Technique that involves using auditory or visual feedback to learn to exert voluntary control over involuntary body functions, such as heart rate, blood pressure, blood flow, and muscle tension.