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.
South Korea, officially the Republic of Korea (abbreviated ROK), is a sovereign state in East Asia constituting the southern part of the Korean Peninsula. Officially, its territory consists of the whole Korean Peninsula and its adjacent islands, which are largely mountainous.