Since brain waves are expressed in a variety of frequency domains, they were used to analyze a correlation between colors and concentration. In this study, the brain wave reacting when exposed to colors was defined as a color brain wave (CBW). Also the colors on the table were changed during task performance to see colors’ influence on improving concentration and then the brave waves were measured for analysis on and comparison with the findings from the task performance. Based on the biometric data experiment conducted, it was confirmed that the findings during the task performance and those from EEG signals have a correlation and that human’s concentration is thus affected by changes of colors.

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In Sasang Medicine, which is a part of Eastern Traditional Medicine, human body is classified by constitutions for diagnosis and treatment. In this study, a fundamental study on the ways and means of measuring the constitutions is classified in Sasang Medicine. A method of measuring ASC (Acupuncture Spot Current) through acupuncture spots on human body is proposed, together with a way to extract characteristic points of measured signals. Based on the characteristic analysis of the measured ASC, it is able to define the measured signals of experimental targets through classification, and the defined characteristics of ASC were determined to be able to be utilized in developing systems for medical constitutional classification.