Computers in psychology and psychology in computer science

This paper presents selected problems and remarks about mutual relations between psychology and computer science. Apparently different these two considered areas of scientific research and practical activity are similar and can be very useful each to the other. Computer science methods and information technology tools can be used for improving psychological therapy using internet portals for communication between patient and psychologist. Computers can be also very helpful in all psychological research - especially as virtual reality environment for arranging experiment scenario and as systems for registration human behavior as a major result of such experiments. On the other hand psychological knowledge can be very helpful in computer science as a tool for improving communication between people and modern information systems. Psychological optimization can be in near future one of the most important factors in development of user interface for computer systems.