Multistore model

Topics: Memory, Long-term memory, Memory processes Pages: 2 (459 words) Published: October 29, 2014
The multi-store model suggests that memory is a flow of information through a system. There are three different stages of the system; sensory memory, short term memory and long term memory. The information passes through each stage of the system in a linear fashion. External stimuli first enter the sensory memory in an uncoded form where they can be registered for short periods of time. In order for information to be passed into the short term memory store, attention is essential. The short term memory stores approximately 7 +/-2 items in an acoustic code for approximately 20 seconds. We often forget things at this stage because the information will be lost in 30 seconds if the information is not rehearsed. Memories from this store are either lost because new information comes along and pushes the old information out, or the memories fade away. However, if information is repeatedly rehearsed, it is able to pass into the long term memory through elaborative rehearsal. In the long term memory store, the storage is infinite through semantic encoding. However, it may be forgotten because memory traces can decay or new information can cause confusion and interfere with the old information. A particular strength of this model is that it is supported by evidence from clinical memory loss, and as this is based on real people rather than experiments so it can be applied to everyday life. For example, H.M. underwent brain surgery to cure severe epilepsy but this resulted in the inability to transfer information from stm to ltm, he could not form long term memories, supporting the concept that there are separate stores. Another example is of Glanzer and Cunitz who found that participants who were asked to remember lists of words could remember the first and last few words but the ones in the middle were more difficult. This supports the idea that there are separate stores as the first words in the list have been stored in ltm whereas the last words are still in stm....
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