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.
Mardi Gras Beads or throws are a fun part of the Carnival festivities in New Orleans, Louisiana.
Mardi Gras. 1  the day before Lent, celebrated in some cities, as New Orleans and Paris, as a day of carnival and merrymaking; Shrove Tuesday. 2  a pre-Lenten carnival period climaxing on this day.