PSYCH 101 Lecture Notes - Lecture 3: Absolute Threshold
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PSYCH 101 Full Course Notes
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Document Summary
A sense is a system that translates outside information into neural activity. A sensation is the raw information from the sense. Encoding is turning sensory input into processable information. The specific nerve energy doctrine says that if a nerve gets stimulated, you feel that sensation regardless of how. Absolute threshold is the point at which we can detect something. Just-noticeable difference is the smallest energy difference that we can detect (1/50 of the initial) Perception is the process of interpreting sensations. Figure ground discrimination is where we can look at a figure in two ways. Bottom-up processing starts with raw sensory input. The process in which we focus our senses. We use attention to direct sensory and perceptual sense. Attention improves our mental processing but is limited. Listening to something going on behind you while pretending to listen to your friends.
