The Multi-store model describes how information flows through the memory system. It consists of three parts.
The sensory register recieves a stimulus from the environment e.g. smell, sounds etc and is stored into one of five sensory stores. One of which is iconic memeory and echoic memory. Duration in this component is less than half a second and has a high capacity. The key process for this store to pass further into memory is attention.
Short-term memory (STM) has a limited capacity store, between 5 and 9 items of information which is coded acoustically and lasts about 30 seconds. Maintenance rehearsal occurs when we repeat material to ourselves. If it's rehearsed long enough, it passes into long-term memory.
Long-term memory (LTM) is the third component with a unlimited capacity, such as seen with the Bahrick study. LTM is also coded semantically. In order to recall this information back it has to be transferred back into STM through retreival.
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