Sperling conducted a substantial investigation in an iconic memory store that purposed to test quantitatively its existence and consisted of 7 experiments. George Sperling wrote once a statement that perfectly summarizes all that we know about iconic memory: “More is seen than be remembered” 1. However, attention is limited, hence it is impossible to pay attention to everything we see. Paying attention is the only way to transfer information to the short-term memory store, where its time of decay is longer. ![]() However, the duration of iconic memory is very short since it has a span of less than one second. Iconic memory encodes for visual inputs and its capacity is limited only by the perception so people can potentially remember unlimited visual information. These components are long-term, short-term, and sensory memory store which is divided into echoic, haptic, and iconic memory that is the research subject of this paper. how many units of information can be held for a certain amount of time by a particular component. ![]() The model assumed that memory consists of three main subcomponents that are characterized by different capacities and duration, i.e. Scientists suggested a lot of models that aimed to describe and explain the mechanism of memory and one of the most famous ones is the multi-store memory model proposed by Atkinson and Shiffrin in 1968. Memory was defined as a cognitive process that enables us to code, store and retrieve information from the past.
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