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| Scientific Research | 2 |
| Visual Discrimination | 2 |
| Visual Perception | 2 |
| Attention Span | 1 |
| Auditory Discrimination | 1 |
| Auditory Perception | 1 |
| Cognitive Processes | 1 |
| Computer Oriented Programs | 1 |
| Discrimination Learning | 1 |
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Peer reviewedWong, Eva; Weisstein, Naomi – Science, 1982
Reports effects of context that are entirely perceptual. Visual discrimination was enhanced when line segments were flashed in a region that was perceived as a figure. Discrimination was substantially degraded when the same region was seen as ground although the physical stimulus remained identical throughout figure-ground reversals. (Author/JN)
Descriptors: Cognitive Processes, Computer Oriented Programs, Discrimination Learning, Scientific Research
Peer reviewedParasuraman, Raja – Science, 1979
Results of discriminating and monitoring tasks indicate that performance deteriorates over time when a specific object must be distinguished from previously presented nonspecific objects in a display which changes quickly. The results offer a basis for distinguishing between perceptual and response processes underlying the vigilance decrement.…
Descriptors: Attention Span, Auditory Discrimination, Auditory Perception, Lighting
