Chapter 7 for posting

Chapter 7 for posting - Different Memory Stores • We have...

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Unformatted text preview: Different Memory Stores • We have three different memory stores, or sets of neurons that maintain information • Each memory store has a different… – Duration: the length of time information is maintained – Capacity: the amount of information that is maintained Different Memory Stores • Fundamental distinctions among memory stores were first characterized by Atkinson and Shiffrin (1968, 1971) and Waugh and Norman (1965) Sensory Memory Short-Term Memory Long-Term Memory Rehearsal Sensory Memory • Very short memory store arising from the temporary activation of perceptual areas of the brain • Characteristics – Duration: Very short, typically less than 1 second – Capacity: Large • Investigation: Sperling’s partial report technique – George Sperling’s classic 1960 experiments Short-Term Memory • Short-term memory store is the only memory store whose contents you are aware of • Characteristics – Duration: Several seconds without rehearsal, typically 30 seconds with rehearsal – Capacity: Small, typically 5-9 items • Processes in STM – Chunking – Rehearsal Short-Term Memory • Original conceptualization of STM criticized for… – Not emphasizing active processing of information • Rehearsal is relatively passive and does not sufficiently explain other processes for keeping information active in memory – Not emphasizing visual information • Original focus was on auditory information – Not emphasizing the role of attention Working Memory (WM) • WM was proposed by Baddeley (1986) to address the limitations of the original STM model • Three components of WM – Central executive – Articulatory loop – Visuospatial sketch pad (VSSP) Working Memory •...
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This note was uploaded on 02/20/2012 for the course PYSC 101 taught by Professor Baylis during the Fall '08 term at South Carolina.

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Chapter 7 for posting - Different Memory Stores • We have...

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