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AP Psychology Chapter 6


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human factors psychology
a branch of psychology that explores how people and machines interact and how machines and physical environments can be made safe and easy to use.
extrasensory perception
Perceiving information about the world through means other than the senses
visual capture
the tendency for vision to dominate the other senses.
perceptual constancy
The tendency for perceptions of objects to remain relatively unchanged, in spite of changes in raw sensations.
selective attention
the focusing of conscious awareness on a particular stimulus, as in the cocktail party effect.
perceptual constancy
perceiving objects as unchanging (having consistent lightness, color, shape, and size) even as illumination and retinal images change.
the perceptual tendency to organize stimuli into coherent groups.
inattentional blindness
failing to see visible objects when our attention is directed elsewhere.
visual cliff
a laboratory device for testing depth perception in infants and young animals.
phi phenomenon
an illusion of movement created when two or more adjacent lights blink on and off in quick succession.
perceptual set
a mental predisposition to perceive one thing and not another.
the study of paranormal phenomena, including ESP and psychokinesis.
perceptual adaptation
in vision, the ability to adjust to an artificially displaced or even inverted visual field.
binocular cues
Two visual cues that require both eyes to allow us to perceive depth.
the organization of the visual field into objects (the figures) that stand out from their surroundings (the ground).
The perception principle that assumes that the whole is greater than the sum of its parts.
a binocular cue for perceiving depth; the extent to which the eyes converge inward when looking at an object. The greater the inward strain, the closer the object.
depth perception
the ability to see objects in three dimensions although the images that strike the retina are two-dimensional; allows us to judge distance.
retinal disparity
a binocular cue for perceiving depth: By comparing images from the two eyeballs, the brain computes distance—the greater the disparity (difference) between the two images, the closer the object.
monocular cues
Eight visual cues that can be seen with one eye and that allow us to perceive depth.

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