Guide. An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain. Special sensors (electrodes) are attached to your head and hooked by wires to a computer.
The South Korea flag was officially adopted on October 15, 1949. The three black unbroken bars (upper left) symbolize heaven, the trigram (lower left) symbolizes fire, the trigram (upper right) symbolizes water, while the three broken bars (lower right) symbolize earth. The white field represents the traditional color of the Korean people.
The colors in Korea have a traditional symbolism and related meanings. The colors used in the paintings on the eaves and columns of Korean temples are referred to as Dancheong. The five main colors of black, blue, yellow and white refer to the five elements of classic Chinese philosophy.