Psy1-2010-7_CogPsych - Psychology 1 Spring 2010 Section 7:...

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1 Memory Storage (CPU, HD) Outputs Section 7: Cognitive Psychology The Cognitive Perspective • Computer metaphor • Information processing approach Inputs If i P i A h • Analysis of “cognitive processes” ¾ What grabs our attention? ¾ What do we remember ? ¾ How do we communicate? ¾ How do we make decisions? Input Short-term store Output Long-term store Information Processing Approach Attention mulus nputs Working Memory (Short-term Memory) Cognitive Psychology nsory mory sponse utputs Sti In Long-term Memory (LTM) Se Me Re O “Standard Model” Developed by Atkinson & Shiffrin (1968) Storage Retrieval Psychology 1 Spring 2010 Section 7: Cognition and Memory
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2 Attention imulus nputs Working Memory (Short-term Memory) Cognitive Psychology nsory mory sponse utputs Sti In Se Me Re O Iconic Memory : Visual Sensory Memory • persistence experiments (light) • animation using stills (i.e. movies) Sensory Memory • related to sensation/ perception • brief persistence of sensory information • large capacity • modality-specific ¾ iconic Attention mulus Working Memory (Short-term Memory) Cognitive Psychology Sensory Memory • related to sensation/ perception Echoic Memory : Auditory Sensory Memory • brief persistence (“What did I say…”) • shadowing task, auditory information persists after short delay. • brief persistence of sensory information • large capacity • modality-specific ¾ iconic, echoic Psychology 1 Spring 2010 Section 7: Cognition and Memory
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3 Attention & Shadowing Task Attention imulus nputs nsory mory Working Memory (Short-term Memory) Response Outputs Sti In Se Me Attention • selection process • limited capacity R Attention has both costs & benefits What information in the unattended channel is remembered after a long delay? Attention mulus Working Memory (Short-term Memory) esponse Attention & Shadowing Task Attention • selection process • limited capacity Psychology 1 Spring 2010 Section 7: Cognition and Memory
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4 Attention imulus nputs nsory mory Working Memory (Short-term Memory) Attention and Prefrontal Cortex esponse Outputs Sti In Se Me R Prefrontal cortex is involved in attention— controlling and guiding perceptual analysis Stroop and shadowing tasks involves prefrontal cortex as they require selecting certain inputs and inhibiting others. PET Analysis of Attention and Stimulus Processing Resting State Words & Music Words Music Psychology 1 Spring 2010 Section 7: Cognition and Memory
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5 Expectations & Top-Down Processing THOUGHTS Top Bottom-up processing (KNOWLEDGE) Bottom Up Bottom up processing • from sensory input to thoughts/knowledge • knowledge builds on inputs Top-down processing • thoughts affect perceptions INPUTS (PERCEPTION) Down • expectations/anticipations Span of Apprehension & Short-term Memory How much can be “apprehended” in a single glance?
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This note was uploaded on 05/18/2010 for the course PSYCHOLOGY 1 taught by Professor Arthurshimamura during the Spring '10 term at University of California, Berkeley.

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Psy1-2010-7_CogPsych - Psychology 1 Spring 2010 Section 7:...

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