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Objectives: The aim of this research is designing a computerized program, in game format, for working memory training in mild intellectual disabled children.

Methods: 24 students participated as test and control groups. The auditory and visual-spatial WM were assessed by primary test, which included computerized Wechsler numerical forward and backward sub- tests, and secondary tests, which contained three parts: dual visual-spatial test, auditory test, and a one-syllable word recalling test.

Results: The results showed significant differnces between working memory capacity in the intellectually disabled children and normal ones (P-value<0.00001). After using the computerized working memory training, Visual-spatial WM, auditory WM, and speaking were improved in the trained group. The mentioned four tests showed significant differences between pre-test and post-test. The trained group showed more improvements in forward tasks. The trained participant’s processing speed increased with training.

Discussion: According to the results, comprehensive human-computer interfaces and the aplication of computer in children training, especially in traing of intellectual disabled children with impairements in visual and auditory perceptions, could be more effective and vaulable.