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Nason Ch 6
Perception Vocab
| Vocab Word | Definition |
|---|---|
| Selective Attention | the focusing of one's conscious awareness on a particular stimulus, as in the "cocktail party effect" |
| Inattentional Blindness | failing to see visable objects when our attention is directed elsewhere |
| Visual Capture | the tendency for vision to dominate the other senses |
| Gestalt | an organized whole. These psychologists emphasized our tendency to integrate pieces of information into meaningful wholes |
| Figure-Ground | the organization of the visual field into objects that stand out from their surroundings |
| Grouping | the perpetual tendency to organize stimuli into coherent groups |
| Depth Perception | the ability to see objects in 3-D, although the images that strike the retina are 2-D; 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 |
| Convergence | a binocular cue for percieving depth; the extent to which the eyes converge inward when looking at an object. The greater the inward strain; the closer the object |
| Retinal Disparity | a binocular cue for percieving depth; by comparing images from the two eyeballs, the brain computes distance- the greater the disparity (difference), the closer the object |
| Monoculuar Cues | depth cues, such as interposition and linear perspective, available to either eye alone |
| Phi Phenomenon | an illusion of movement created when two or more adjacent lights blink on and off in quick succession |
| Perceptual Constancy | percieving objects as unchanging 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 disposition to percieve one thing and not another |
| Human Factor Psychology | a branch of psychology that explores how people, machines, and physical environments can be made safe and easy to use |
| Extrasensory Perception (ESP) | 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 |
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