Mesothelioma can take a long time to develop, and the symptoms of the disease often do not present themselves until the cancer has progressed to later stages. Early signs of mesothelioma can be easily mistaken for common, everyday ailments, and as a result, early symptoms are often ignored, dismissed, or misdiagnosed.
Freebase(0.00 / 0 votes)Rate this definition: Electroencephalography is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the brain.
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. EEG test results are ready on the same or the next day.