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Chapter 5
Sensation
| Term | Definition |
|---|---|
| absolute threshold | smallest intensity that can be detected |
| just-noticable difference | the point at which a person is able to determine the difference between a stimuli |
| signal-detection theory | a theory explaining why people detect signals in some situations but miss them in others |
| hits | when a stimulus is correctly detected |
| misses | when a stimulus is not detected |
| correct rejection | rejection of a stimulus that has not been presented |
| false alarm | when a stimulus is said to have been presented, but it was not |
| bottom-up processing | organizing preceptions by beginning with level features |
| top-down processing | interpretating objects and events based on our knowledge, beliefs, and experiences |