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NSU Psych 101

NSU Chapter 5

QuestionAnswer
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.
Created by: Sadiqah