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.
Riley is a surname of Irish origin. The English version derives from the Old English words rye, and leah (meaning 'wood' or 'clearing').The Irish version derives from the first name Raghallach and the surname O Ã³ raghallaigh Is irish 'for (grandson or) descendent Of'. raghallachiley is a surname of Irish origin. The English version derives from the Old English words rye, and leah (meaning 'wood' or 'clearing').