Attention is the mental process of bringing few stimuli into the centre of awareness out of the many stimuli present.
It is the total number of stimuli that we can become clearly aware of in a single glance. Span of attention refers to the total number of stimuli that we can become clearly aware of in a single . glance. Span of attention is limited i.e., it is about 7 to 8 items only. Factors like age, intelligence, motivation, practice, etc., of the person affect the span of attention.