PSY 102 Lecture 5: Chapter 4 Lecture Guide October 8th W5
13 Feb 2017
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Sensation, perception, vision, audition, taste and smell, body senses. The human senses (vision, heating, smell, taste, body senses (touch and pain, body position, balance) Sensory receptors in the eyes, ears, tongue, nose, and skin transduce neural signals to various parts of the brain to create sensory experiences. Just noticeable difference (jnd) the smallest change in the intensity of a stimulus that can be detected. Differentiate: weber"s law the stronger the stimulus, the bigger the change needed for a change in the stimulus to be noticeable (ex. 2 kg weight + 2 more = noticeable, 50kg weight + 2 more = barely noticeable) Sensory adaptation sensitivity to stimuli can diminish as a consequence of constant stimulation (so used to something you don"t notice it, ex. subtle buzzing, adapt to it and don"t notice it) Perception selecting, organizing, and interpreting those sensations; what they mean.
