... your eyes and is transmitted to the brain. Short-term memory can hold a piece of information for as long as you actively think about it. Normally people can remember7+/-2 digits on average according to Miller (1956); he presented an idea that in short-term memory people could hold 5-9 (seven plus or minus two) chunks of information. This means some people could only remember 5 digits but some people could remember 9 of them. Long-term memory can last for a lifetime; information enters long-term memory due to either repetition or intense emotion. For example, we can remember our family and friends for a lifetime. In this experiment, the information is stored according to its meaning rather than as mere sensory stimulation. Memory is divided into three main stages: encoding, storage and retrieval. Encoding is the processing of physical sensory input into one's memory. It is considered as the first steps in ...

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