Clinical interpretation of electroencephalography is one of the directions of the multifaceted sphere of clinical neurophysiology. The book offers the reader "key points" in the area of ​ ​ graphic representation of the main characteristics of the EEG and is a brief guide to neurophysiology, useful to the doctor in interpreting the bioelectric activity of the patient's brain "at the bedside." The format of the reference book allows the doctor to get quick access to reliable information on the interpretation of EEG. The book is addressed primarily to neurologists specializing in the diagnosis of diseases of the central nervous system, but may be of interest to doctors of other medical specialties, other medical workers, and be used as a textbook for continuing postgraduate education.