Cog Psych - memory

Cog Psych - memory - Cog Psych Chapter 5 Memory Remembering...

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Cog Psych - Chapter 5 Memory: Remembering New Information - Introduction - Uses of Memory - more to memory than retrieving facts - memory system allows us to store a few facts and drive others as needed - relate new events to prior knowledge in order to understand them - deliver relevant knowledge when it is needed - Processes of Memory o 3 general tasks encoding – translated into representations within memory storage – stored and maintained retrieval Short-term Memory - repetition - active and available - also called primary memory - when in short term memory, available for further processing, for more permanent storage, or both - recalled info can be available for further processing - allows different info to be compared and integrated - helps deal with complexity problem by keeping available recent info Characteristics of Short-term Memory - Rehearsal and Forgetting in Short-term Memory o Maintenance rehersal – also known as primary rehearsal; repeateing items over and over again
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o Additional tasks interfere with items in short term memory o People forget items that were in short-term memory even if there is no explicit interfering task - Coding in short-term memory o When recalling letters that have been told out loud for example, might replace correct letter with another letter that sounds similar (T with V) o When not audible, recall is much lower o Aucoustic and visual codes o Semantics also affect short term memory o Release from PI – proactive interference; subjects given three members of a category to remember, had to do a distractor task so couldn’t reherse, then recall. In fourth trial (after continuially decreasing), when the set if from a new category recall increases back to the level of trial one - Limitations and Chunking o Chunk – meaningful group of info o Chunk can be an idea, not just one element o 7 plus or minus 2 o chunking often occurs with each persons own organization scheme - Working Memory o The use of memory o Referms to a brain and cognitive system that provides temporary storage and manupulation of information that is necessary for a variety of complex cog tasks o Verbal memory and visual memory not part of a single storage system o Visual secondary task selectively interfered with the visual memory task, and the verbal secondary task selectively interferered with the verbal
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Cog Psych - memory - Cog Psych Chapter 5 Memory Remembering...

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