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.
A Oh, dear. The experts have been struggling with this one for decades but canât agree on who Riley might have been or how he managed to achieve his enviable existence of comfort and ease. He (that much is assumed) was certainly fictional but competing theories argue that he might have been either American or British.he first known examples of the phrase are American and strongly suggest that it started life in the US Army around the time America entered the First World War in 1917. Small-town newspapers frequently published letters sent home by soldiers from training camps in the US and from active service in France.