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AP Psych unit 2
| Definiton | Term |
|---|---|
| Selective Attention | focusing consciousness awareness on a particular stimulus - decided by importance of something |
| Inattentional Blindness | failing to see visible objects when our attention is directed elsewhere |
| Change Blindness | failing to notice changes in the environment; a form of inattentional blindness |
| Perceptual Set | a mental predisposition to perceive on thing and not another |
| 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 form their surroundings |
| Grouping | perceptual tendency to organize stimuli into cohort groups |
| Visual Cliff | a lab device for testing depth perception in infants and young animals |
| Depth Perception | the ability to see objects in three dimensions, although the images that strike the retina are two-dimensional; this allows us to judge distance |
| Binocular cues | a depth cue, such as retinal disparity, that depends on the use of both eyes |
| Convergence | a cute to a nervy objects distance, enabled by the inward angle of the eyes |
| retinal disparity | a binocular cue for perceiving, from the two eyes the brain computes distance- the greater the disparity between two images the closer the object |
| monocular cue | a depth cue, such as interposition or linear perspective, available to either eye alone |
| stroboscopic movement | an illusion of continuous movement experienced when viewing a rapid series of slightly varying objects |
| phi phenomenon | an illusion of movement created when two or more adjacent lights blink on and off in succession |
| autonomic effect | the illusionary movement of a still spot of light in a dark room |
| perceptual constancy | perceiving objects as unchanging (consistent color, shape) even as illumination and retinal images change |
| color constancy | perceiving familiar objects as having consistent color, even if changing illumination alerts the wavelengths reflected by the object |
| perceptual adaptation | the ability to adjust changes sensory input, including an artificially displaced or even inverted visual field |
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