Psychologists distinguish between iconic memory, the fraction of a second that a sensory impression lasts before it fades out. Short term memory, which lasts a view second and long term memory. A distinction is also made rote memory, in which the material may be without structure (as in a sequence of digits), and memory for meaningful material.
According to Harris and Sipay (1980:277) attention based on the cognitive is the ability to attend and concentrate is basic to efficiency in perception, learning, and memory.
Related to this study, it means the person can maintain focus on particular stimuli and disregard or suppress other stimulation that reaches him at the same time, thus maintaining a stable figure in the focus of attention, against a non interfering background.
2.4.4 Cognitive Style
Cognitive style refers to the tendency to prefer certain ways of handling cognitive tasks to other ways. The preferred may be a relatively strong aptitude or a fairly consistent behavioral tendency. Some explorations of cognitive style seem relevant to the understanding of reading disabilities.