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Psych Ch.6
Perception
| Question | Answer |
|---|---|
| selective attention | the focusing of concious awareness on a particular stimulus, as in the cocktail party effect |
| visual capture | the tendency for vision to dominate the other senses |
| gestalt | an organized whole. Gestalt psychologists emphasize our tendency to intergrate 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 retinal disparity and convergence, that depend on the use of two eyes |
| monocular cues | distance cues, such as linear perspective and overlap, available to either eye alone |
| 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 |
| phi phenomenon | an illusion of movement created when tow or more adjacent lights blink on and off in sucession |
| perceptual constancy | perceiving objects as unchanging (having constant 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 perdisposition 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 adapted to human behavior |
| extrasensory perception (ESP) | the controversial clain 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 |
Created by:
Ascuba
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