lecture7_sensory_memory

lecture7_sensory_memory - General Overview Sensory memory...

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General Overview Sensory memory Short term / working memory Long term memory Memory for general knowledge
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Perception to interpretation The lightning example What is sensory memory? Why do we need it? How can we demonstrate its existence? What is Echoic Memory?
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Persistence The perceptual phenomenon in which a visual stimulus still seems to be present even after its termination, beyond its physical duration
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Visual sensory memory Temporary visual buffer that holds visual information for brief periods of time Also known as: ICONIC MEMORY Neisser (1967)
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Sensory Memory Short-term Memory Long-term Memory A sensory store for EACH Sense modalities Iconic Echoic Quantity – how much? Duration – how long? Contents –what type? Visual Auditory
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Sperling (1960) Observers were presented with a 3 by 4 matrix of letters for a brief period of time (e.g., 50 ms). Two conditions Full Report Partial Report
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O V A S L P V G N C Z I
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The Partial Report Technique Full Report - report as many as possible Participants reported about 4 items But participants say that they can “see” much more than just 4 items
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O V A S L P V G N C Z I
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< > - - - - High tone Medium tone Low tone
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The Partial Report Technique Full Report - report as many as possible Recall about 4 items Partial Report - report only those in the
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This note was uploaded on 03/19/2010 for the course PSYCH 207 taught by Professor Lodson during the Spring '05 term at Waterloo.

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lecture7_sensory_memory - General Overview Sensory memory...

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