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.
âElectrical silence,â or no evidence of brain activity, when demonstrated once and then again in 24 hours, has been taken as one of the criteria of death. Electroencephalography is widely used in studying brain function and in tracing the connections between the parts of the central nervous system.