Lecture1-HistoryOfCognitivePsychology.pptx

Keyboard strokes digital signals computer registers

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Keyboard strokes->digital signals Computer registers (temporary storage) CPU RAM (Random- Access Memory You typing at keyboard Computer Hard Drive Have to keep power on, otherwise we lose data Inspirations for Early Cognitive Psychologists : Computer Architecture 29
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Sensory Transduction Sensory Information Store Pattern Recognition Short-Term Memory Physical Stimulus Long-Term Memory Have to rehearse, otherwise we forget Information-Processing Model for Human Thinking and Memory (Dominant Theory from 1960 to late 1970’s) 30
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Inspirations for Modern Cognitive Psychologists : Neural Structure in the Brain 31
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32 Levels of Activation in Learning by Connectionist Model of Word Recognition How would a connectionist network interpret this partially-obscured letter?
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Levels of Activation in Learning by Connectionist Model of Word Recognition 33 Network’s “estimate” of the fourth letter of the word
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Levels of Activation in Learning by Connectionist Model of Word Recognition 34 Network’s “estimate” of the fourth letter of the word Period of Uncertainty
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CB LB SC CB = Congenitally Blind LB = Late Blind SC = Sighted Controls An Example of the Influence of Brain Imaging on Theories of Auditory Processing in the Blind 35 -87 -77 -67 -57 -48 -38 -28 -18 -9
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How does the field of cognitive psychology look today? main topics are: memory, reasoning, problem solving, language, mental imagery, and intelligence multidisciplinary (cognitive science): approaches from different disciplines are applied to the study of a single issue controlled experiments with human participants are the primary method of inquiry strong emphasis on theories and models modified information processing approaches still important, but cognitive neuroscience , based on ever more refined brain imaging techniques, is quickly become a dominant approach to studying cognition 36
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