08 Lesson Sensation and Perception I

08 Lesson Sensation and Perception I - Sensation and...

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(Psychophysics, Hearing, Touch, Smell and Taste) ASSIGNMENT a. Study text Chapter 4 (pg 119-124 and 149-161). b. Complete Concept Checks 4.3 (pg 153) and 4.4 (pg 158). c. Review Questions: Chapter 4 practice test questions 1-3,12,13 (pg 171). d. Answer IPO 8 LESSON OBJECTIVES 8.1 Explain the concepts of Absolute Threshold , Just Noticeable Difference, Signal Detection, and Sensory Adaptation. (pg 119-124) 8.2 Explain sensation and perception in the Auditory system (pg 149-154) 8.3 Explain sensation and perception in the Gustatory and Olfactory systems (pg 154-156) 8.4 Explain sensation and perception in Touch (pg 157-161) PERFORMANCE OBJECTIVES Sensation is the stimulation of sense organs. Perception is the selection, organization, and interpretation of sensory input. Sensation Sensory organs absorb energy from physical stimuli in the environment. Sensory receptors detect stimulus energies and convert them into neural impulses, which are sent to the brain. Perception The brain organizes this input and translates it into something meaningful. 8-1. Explain the following psychophysics concepts. a. Absolute threshold. The absolute threshold for a specific type of sensory input is the minimum stimulus intensity that an organism can detect. b. Just noticeable difference. A Just Noticeable Difference is the smallest difference in stimulus intensity that a specific sense can detect. Webster’s Law
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08 Lesson Sensation and Perception I - Sensation and...

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