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... task requirement, and the result is assumed to provide some insight into the mental process involved in the retrieval of information and decision making and perhaps how these processes are linked together. Research has shown that there are two memory systems that operate in the brain. One that holds information for just a few seconds, known as the Short Term Memory (STM) and one that stores more important information more permanently (the Long Term Memory or LTM). Researchers of the memory believe that if the information temporarily being held in the STM is not transferred to the LTM it will vanish and be forgotten. When the STM was first being discovered and evidence in favour of its existence was accumulated, researchers began to explore its properties. Saul Sternburg began, in 1966, to develop an experimental approach to explore how information was retrieved from the STM. Subjects were shown a short list ...