PSYC 1300 Lecture Notes - Lecture 10: Endorphins, Inattentional Blindness, Taste
16 Jan 2017
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Document Summary
Sensation: is the process through which the sense picks up visual, auditory, and other sensory stimuli and transmit them to the brain. Instead, they are interactive: sensation provides the data for perception, but perceptual processes influence sensation: the absolute and difference thresholds. The absolute thresholds of a sense mark the difference between not being able to perceive a stimulus and being just barely able to perceive it. Absolute thresholds as the minimum amount of sensory stimulation that can be detected 50% of the time. If you are listening to music, the very fact that you can hear it means that the absolute threshold has been crossed. The difference thresholds are a measure of the smallest increase or decrease in a physical stimulus that is required to produce the just noticeable difference (jnd) Jdn is the smallest change in sensation that a person is able to detect 50% of the time.
