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NSU Psych 101
NSU Chapter 5
Question | Answer |
---|---|
sensation | A change in the responsiveness of the sensory system based on the average level of surrounding stumulation. |
perception | The brain's process of organizing and interpreting sensory information to give it meaning. |
bottom-up processing | Processing that begins with sensory receptors registering environmental information and sending it to the brain for analysis and interpretation |
top-down processing | Processing of perceptual information that starts out with cognitive processing at the higher levels of the brain |
absolute threshold | The minimum amount of stimulus energy that a person can detect. |
difference threshold | The smallest difference in stimulation required to discriminate one stimulus from another 50 percent of the time; also called just noticeable difference. |
sensory adaptation | A change in the responsiveness of the sensory system based on the average level of surrounding stimulation. |