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Chapter+6-+student+version[1] - Perception Chapter 6 1...

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1 Perception Chapter 6
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2 Lecture Overview Assessing Perceptual Abilities in Infants Vision Hearing Taste/Smell Touch, Temperature, and Pain The Child Adolescent The Adult- how perceptual abilities change with age
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3 Sensation vs. Perception Sensation : receiving info through sensory receptor neurons. light/sound waves → transduced neural impulses Perception : making sense of neural impulses.
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4 Perception: Nature vs. Nurture Empiricist and Nativists Empiricists: John Locke infants are a “tabula rasa” and all development occurs because of the infants’ experiences with the world. Infants know nothing other than what is accumulated by the senses. -nurture side of the debate.
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5 Perception: Nature vs. Nurture Empiricist and Nativists Nativists: : we all come into the world with knowledge that allows for the perception of a meaningful world. Perceptual abilities are preprogrammed through the course of evolution. Infants’ experiences are much like adults. Nature side of the debate.
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6 Teasing Apart Nature and Nurture Influence of each depends on which perceptual ability is being considered. Questions addressing this issue: 1. How early in life is the perceptual ability apparent? 2. How does experience change the way perceptual abilities develop? - is the ability amenable or resistant to change from the environment? - What kinds of experiences are required for normal perceptual development?
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7 Perception in Infants Research Methods : Habituation and Dishabituation: learning to be bored. Preferential Looking: what do babies like to look at? measure it? Evoked Potentials: how do babies’ brain waves change in response to different stimuli? Operant Conditioning : what reinforces babies? control sucking?
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8 Habituation/ dishabituation
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9
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10 Research Methods continued Preferential looking Does baby look longer at one stimulus than another?
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This note was uploaded on 10/24/2010 for the course PSYCH 2311 taught by Professor Hines during the Spring '10 term at Georgia Institute of Technology.

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Chapter+6-+student+version[1] - Perception Chapter 6 1...

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