Abstract: The relationship between working memory and attention is regarded as the key to the relationship between general fluid intelligence and those 2, with researches on general fluid intelligence go on recently. Since function of the central executive of working memory is not identified, the relationship between controlled attention and working memory is still a problem. Two different points are hold among researchers: (1) working memory and attention interact in most situations; (2) they are with identical function and frame, thus actually one cognitive component.

Key words: general fluid intelligence, working memory, attention