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Glossary of chapter 6 psych vocab myers

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inattentional blindness
failing to see visible objects when our attention is directed elsewhere.
visual capture:
the tendency for vision to dominate the other senses.
gestalt:
an organized whole. Gestalt psychologists emphasized our tendency to integrate pieces of information into meaningful wholes.
figure-ground:
the organization of the visual field into objects (the figures) that stand out from their surroundings (the ground).
grouping:
the perceptual tendency to organize stimuli into coherent groups.
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.
visual cliff:
a laboratory device for testing depth perception in infants and young animals.
binocular cues:
depth cues, such as retinal disparity and convergence, that depend on the use of two eyes.
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.
convergence:
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.
phi phenomenon:
an illusion of movement created when two or more adjacent lights blink on and off in quick succession.
perceptual constancy:
perceiving objects as unchanging (having consistent lightness, color, shape, and size) even as illumination and retinal images change.
perceptual adaptation:
in vision, the ability to adjust to an artificially displaced or even inverted visual field.
perceptual set:
a mental predisposition to perceive one thing and not another.
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:
the controversial claim that perception can occur apart from sensory input. Said to include telepathy, clairvoyance, and precognition.
parapsychology:
the study of paranormal phenomena, including ESP and psychokinesis.
selective attention:
the focusing of conscious awareness on a particular stimulus, as in the cocktail party effect.
monocular cues:
depth cues, such as interposition and linear perspective, available to either eye alone.

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