Multi-store memory model

#con
The Atkinson–Shiffrin model (also known as the multi-store model or modal model) is a model of memory proposed in 1968 by Richard Atkinson and Richard Shiffrin. The model asserts that human memory has three separate components:

1. a Sensory Memory, where sensory information enters memory,
2. a Short term memory(STM), also called working memory, which receives and holds input from both the sensory register and the long-term storage, and
3. a Long term memory(LTM), where information that has been rehearsed (explained below) in the short-term store is held indefinitely.

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Issue of the model

• The model is over-simplified. It assumes that each of the stores works as an independent unit.
• The model does not explain memory distortion.
• The model does not explain why some things may be learned with a minimal amount of rehearsal. For example, once bitten by a dog, that memory is quite vivid in spite of the lack of rehearsal.
• There are several times that we rehearse a lot to remember information and it is not transferred to LTM.

Study: Peterson and Peterson