Memory BB - Human Memory Human Memory: Basic Questions How...

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Human Memory
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Human Memory: Basic Questions How does information get into memory? How is information maintained in memory? How is information pulled back out of memory? Is memory like a video (or audio) tape?
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Sensory Input Sensory Memory Working Memory Long-Term Memory Attention Encoding Retrieval Rehearsal
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Sensory Memory Brief preservation of information in original sensory form Auditory/Visual – approximately ¼ second
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Sensory Memory Visual Memory Experiment A 3 x 4 array of letters flashes on a screen for 1⁄20 of a second, after which the screen is blank. The findings indicate that people briefly maintain information in visual sensory memory but the information is rapidly lost.
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Attention Attention- gateway to Working Memory Focusing awareness Attention = selection of input Filtering: early or late?
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Figure 7.3
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Short Term Memory Store Limited duration – about 20 seconds without rehearsal Limited capacity – magical number 7 plus or minus 2 Only so much we can process at any given time!
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Short-Term Memory is “Working Memory” STM not limited to phonemic encoding Loss of information not only due to decay Need model of additional processes
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Baddeley (1986) – 3 components of
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Memory BB - Human Memory Human Memory: Basic Questions How...

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