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Chapter 5

Sensation

TermDefinition
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
Created by: KendraLeigh2
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