Concentration is one of the most important cognitive abilities. It is essential for any action which requires a task to be successfully completed. Lack of concentration is very common among students and also this is one of the important factors for their poor performance or under achievement in their academic achievements.

An ancient device like the abacus, which is used for calculations, enables the child to improve one of the main aspects of the cognitive abilities – the concentration.’Dr. Vasuki. PhD, philosopher and author of the study “The impact of abacus learning of mental arithmetics on the cognitive abilities of children”


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