L2-Thinking about Perception

L2-Thinking about Perception - Sensory Processes &...

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    PSY 343 Fall Session 2007 - Lecture 2 Thinking about Perception Instructor:  Sean Green
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    Thinking about Perception The perceptual process  If the brain were like a computer… Suppose you try to download a song from  your computer and nothing happens? What  could be wrong? Is the server down? Is your computer’s hard drive malfunctioning? Is your mouse broken? Are your speakers broken? Like your ability to download from the web,  your ability to perceive depends on lots of  different things working together
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    Thinking about Perception The perceptual process Brainstorm Suppose somebody tells you that they can’t hear well  in ordinary conversation (voices sound muffled).  What could be wrong?
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    Thinking about Perception The perceptual process Goldstein’s steps Attention Stimulus reaches  receptors Transduction Processing Perception The circle  indicates an  ongoing process Don’t worry about  order Think about what  happens at each  step The  Stimulus Action Recognitio n
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    Thinking about Perception The perceptual process The Stimulus in the Environment The  stimulus  is the thing  in the environment that is  perceived The  Stimulus
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    Thinking about Perception The Perceptual Process Attending  to the  stimulus If we don’t pay attention  to a stimulus, we may  not perceive it. Note: Attention  influences later steps in  perception, particularly  processing We don’t attend to many  stimuli in the world How does your big toe  feel right now? Attention
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    Thinking about Perception The perceptual process Stimulus reaches Receptors Stimulus reaches  receptors Receptors    in our sense  organs detect stimuli  like light and sound in  our environment
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    Thinking about Perception The perceptual process Transduction Stimulus energy is  turned into  electrical/chemical  energy in our  nervous system Transduction
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    Thinking about Perception The perceptual process Processing Processing The brain represents  information about the  environment in different  ways  Imagine a computer re- mixing, editing and  cleaning up the radio  signal Think about how UB  processes information  about you
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    Thinking about Perception The perceptual process “Bottom up” processing Some processing  is driven by the  information that  comes in from  our receptors Processing
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This note was uploaded on 06/05/2008 for the course PSY 343 taught by Professor Green during the Fall '07 term at SUNY Buffalo.

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L2-Thinking about Perception - Sensory Processes &...

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