ali Afshari

The aim of this study is to compare cognitive performance (attention function, active memory and problem solving) in high school students of Ilkhechi, Iran. This study is causal-comparative research. The study population included all male and female students of Ilkhchi that its number was 376. The samling method was cluster random sampling method. Sample size was 100 subjects. To gather information used computerized questionnaire include Continuous Performance Test (CPT), a computerized test Wechsler active memory (WAMS). For analysis of results used independent t-test and analysis of variance. The results showed that There was a signifi cant difference between the performance Attention, (right Attention, presents a false and removed answer), audio-visual active memory and problem solving in boys and girls. Those in girl correct Attention performance and removed answers are more than boys and presents false in boys better than girls.