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