The article raises one of the urgent problems of modern education – the problem of the influence of the IT-activity of students on their cognitive abilities. The most common types of IT-activity of modern students of communication in social networks, listening to music and homework. In connection with active introduction of IT-technologies in educational activities raises the problem of the influence of the use of IT devices on the development of student’s personality in general and intelligence in particular. As the hypothesis of the study was the assumption on the lower level of verbal intelligence active IT users. A study on a sample of students of the university 17–23 years revealed that the active use of IT-devices in learning activities was negatively associated with indicators of verbal intelligence, whereas the communication in social networks and computer games do not have a clearly negative impact.