... it we must come to understand what attention is. Attention can be defined as an ability to focus and maintain interest in a given task or idea, including managing distractions. More definitively, attention is a multi-dimensional concept used to describe different features and ways of responding in the human cognitive system, moreover, it is an achievement based on the contribution of many skills, mechanisms and capacities. The main approaches inherent in the study of attention include 'selective theories' that claim 'selection' occurs when information levels reach such stage that all information cannot be processed at the same time, and 'capacity theories' that emphasize the fact that we can do more than one thing at a time although our 'capacity' to do so is limited. Selective theories mainly focused heavily on dichotic listening tasks, whereupon participants were simultaneously presented a different message into each ear and asked to 'shadow' one message ...

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