2025 Volume 63 Issue 1 Pages 53-64
The use of electroencephalogram (EEG) in medicine has been established as an objective evaluation method of brain function as “electroencephalography.” Even today, when diagnostic imaging such as CT and MRI are widely used, the size, cost and temporal resolution of the equipment limits its use in the research of brain function, making research using EEG an essential method. In recent years, Brain Machin Interface (BMI) has attracted attention as an application of EEG in the biomedical engineering field, and its clinical use is also advancing in the rehabilitation field. EEG is also used in affective research and neurofeedback applications, and has potential for future development. This section describes the principles, methods, terminology, and techniques of EEG measurement for researchers who are interested in starting research using EEG.