021904_memory

021904_memory - 16.422 Human Supervisory Control Memory...

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16.422 Human Supervisory Control Memory & Attention
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A Model of Human Information Processing 16.422 Perception Working Memory Response selection Response execution Sensory Processing (STSS) Long-term memory System Environment (Feedback) Attention Resources Selection • STSS = short term sensory storage • Perception drives bottoms-up processing while long term memory drives top-down processing
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Working Memory • Also known as short term memory • Three components – Visuospatial sketchpad – Central executive • Temporary buffer 16.422 FAA Human Factors http://www.hf.faa.gov/Webtraining/Cognition/Memory/memory1.htm
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Working Memory Limitations • Limited capacity – Miller’s magic “7 +/- 2” • Information will decay unless maintained in working memory through the articulatory loop (rehearsal) or stored in long term memory. – A fundamental component of learning • Memory lost within 30 seconds unless rehearsed. 16.422
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Long Term Memory • Semantic network of knowledge – Knowledge is procedural, declarative, and general – Encoded in terms of meaning and events
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021904_memory - 16.422 Human Supervisory Control Memory...

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