EEG Introduction. An EEG, or electroencephalogram, is a test that can help diagnose epilepsy. During an EEG, the electrical signals of the brain are recorded. This electrical activity is detected by electrodes, or sensors, placed on the patient's scalp and transmitted to a polygraph that records the activity.
life of Riley definition. A life of luxury: âSheila found herself living the life of Riley after she won the lottery.â The expression comes from a popular song of the 1880s, âIs That Mr. Reilly?â, in which the title character describes what he would do if he suddenly became wealthy.
The name Riley derives from two different origins. The Irish derivation is as a transferred use variant spelling of the Irish surname Reilly which itself is a form of the Irish Gaelic given name Raghallach. It is also a transferred use of the English surname, a place name describing rye meadows.