© 2017 IEEE.Cognitive functions and especially attention is very important function over whole life in humankinds. This makes attention is keystone for researchers not only cognitive health but also marketing, stage-gate process and education. In this work Mesulam's cancellation tests have been used. We examined attention levels of participants based on sex differences and identified effect on experiments. As a result, there was no sex-specific difference between the participants in the same social conditions and the same age group.