A binocular cue for perceiving depth; The extent to which the eyes converge inward when looking at an object.
PHI PHENOMENON
An illusion of movement created when two or more adjacent lights blink on and off in succession.
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.
BINOCULAR CUES
Depth cues, such as retinal disparity and convergence, that depend on the use of two eyes.
SELECTIVE ATTENTION
The focusing of conscious awareness on a particular stimulus, as in the cocktail party effect.
HUMAN FACTORS PSYCHOLOGY
A branch of psychology that explores how people and machines interact and how machines and physical environments can be adapted to human behaviors.
PERCEPTUAL SET
A mental predisposition to perceive one thing and not another.
VISUAL CLIFF
A laboratory device for testing depth perception in infants and young animals.
PARAPSYCHOLOGY
The study of paranormal phenomenon, including ESP and psychokinesis.
RETINAL DISPARITY
A binocular cue for receiving 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.
