The tutorial summarizes extensive material related to problems of attention, memory, learning and emotions. It teaches the use of the technique of registering evoked potentials for objective control of attention, memory, identify hidden knowledge, monitor the dynamics of human conditions, identify disorders of analyzer and speech functions, localize brain lesions during aphasia, diagnose mental diseases such as schizophrenia. It contains a description of the latest research methods, such as electro- and magnetoencephalography, positron emission tomography, etc. For students specializing in psychology, psychophysiology, biology and medicine.