Chapter_4_Handout

Chapter_4_Handout - Sensation and Perception Chapter 4 Lecture Overview*Introduction to Sensation and Perception*Understanding Sensation*How We See

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Sensation and Perception Sensation and Perception Chapter 4 Lecture Overview Lecture Overview * Introduction to Sensation and Perception     * Understanding Sensation     * How We See and Hear     * Our Other Senses     * Understanding Perception     Introduction to Sensation and Perception Introduction to Sensation and Perception * __________________ __________________ : process of receiving, translating, and transmitting raw sensory  information from the external and internal environments to the brain * __________________ __________________ : process of selecting, organizing, and interpreting sensory data Understanding Sensation: Processing Understanding Sensation: Processing * __________________ __________________ : sensory organs contain receptors that receive and process  sensory information from the environment Understanding Sensation: Processing Understanding Sensation: Processing Three Types of Processing: __________________ __________________ : converts sensory stimuli into neural impulses __________________ __________________ : converts particular sensory stimuli into specific  sensations __________________ __________________ : filters and analyzes incoming sensations before  sending a neural impulse to the brain Understanding Sensation: Processing Understanding Sensation: Processing * Neural impulses gained through the senses are sent to various parts of the brain
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Understanding Sensation: Thresholds Understanding Sensation: Thresholds * __________________ __________________ : comparing events with our psychological experience of them * __________________ __________________ : smallest amount of a stimulus we can detect * __________________ __________________ : minimal difference needed to detect a stimulus change; also  called the  __________________ __________________ . Understanding Understanding   Sensation Sensation Sensory Sensory   Adaptation Adaptation * __________________ __________________ : decreased sensory response to continuous stimulation * __________________ __________________ : Pain perception depends partly on whether the neural  message gets past a “gatekeeper” in the spinal cord How We See and Hear: Waves of Light and Sound How We See and Hear: Waves of Light and Sound *Both light and sound move in  __________________ __________________ . * __________________ __________________ is a form of electromagnetic energy. Many types of 
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This note was uploaded on 02/17/2009 for the course PSYCH 2000 taught by Professor Domangue during the Fall '08 term at LSU.

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Chapter_4_Handout - Sensation and Perception Chapter 4 Lecture Overview*Introduction to Sensation and Perception*Understanding Sensation*How We See

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