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GenPsychSensationPart1

GenPsychSensationPart1 - Lecture Outline Sensation versus...

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Lecture Outline 0. Sensation versus Perception. 1. Principles and Features of Sensory Systems. 2. Visual Receptors and Visual Sensation. Sensation vs. Perception 3. Sensation: 0. The processes by which the nervous system gathers information about the environment. 0. Sensation occurs in the peripheral nervous system and spinal cord. 4. Perception: 1. The processes of organizing and interpreting the sensory information that reaches the brain. 1. These processes occur in the brain. Three Basic Principles 0. Basic Principle #1: Sensation and perception are adaptive. 0. What we experience is meaningful. 1. Basic Principle #2: Sensation and perception are active processes. 1. Selection (attention) and judgment (opinion) are involved. 2. Basic Principle #3: There is not a one-to-one correspondence between physical and psychological reality. Perception is Meaningful 5. Perception occurs when the information delivered by the senses to the brain is: 2. Analyzed into features, and 3. Matched (integrated) with information (mental representations) in memory.
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