... storage duration - are still present in the concept of working memory." In certain models (Wickens (1992) being one such model), perceptual processes are conceptually separated into two stages: a short term sensory store (STSS) and perception. What these two stages have in common is the role of filtering out "unnecessary" information. Short Term Sensory Store (STSS) The STSS is a temporary storage mechanism associated with each sensory channel (i.e. the organs of the body responsible for touch, sight, smell, taste and hearing - tactile system, eyes, nose, tongue and ears). For example, when you close your eyes an image remains in front of your (closed) eyes for a short period of time. This is referred to as iconic storage (echoic storage would be the same process of temporary storage associated with hearing). The STSS has a number of important characteristics which enable researchers to determine what constitutes temporary early processing ...

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