Discussing the multi store model of memory.

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The multi-store model of memory (MSM)

Discuss the multi-store model of memory (12 marks)
The multi-store model of memory was proposed by Atkinson and Shiffrin and it is a structural model which describes how information flows through the memory system in a linear way. The memory system consists of three memory stores: sensory register, short-term memory and long-term memory.  Both short-term memory and long-term memory are unitary.

Sensory memory is the information which you get from your senses, your eyes and ears. When attention is paid to something in the environment it is then converted to short-term memory. If any information is not important, it will decay or disappear. Once information is in the short-term memory information can be rehearsed and some information is rehearsed and then passed along into long-term memory. The two main stores in the sensory register are iconic and echoic, iconic memory is coded visually and echoic memory is coded acoustically. Material in the sensory register of lasts very briefly, up to a quarter to a half of a second. The capacity of the sensory register is high depending on the senses. Coding is based on the sense, in order for the information to last- attention is a key process.

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Short-term memory is known as a limited capacity because it can only withhold a certain number of things before forgetting takes place. The capacity of STM is plus or minus 7(magic number), meaning it can it can hold 5 to 9 items of information.  Information is coded acoustically in short-term memory and last about 18 to 30 seconds unless it is rehearsed.  Maintenance rehearsal occurs when we repeat and rehearse material to ourselves over a prolonged time. This way information can stay in our STM but if it is rehearsed it can transfer into LTM.

Long-term memory is known as ...

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