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.
Save. Famously held in New Orleans, Mardi Gras is a carnival period with flamboyant parades and activities that take place before somber Ash Wednesday. The literal translation of Mardi Gras from French to English is Fat Tuesday, which is appropriate since Mardi Gras is filled with excess and exaggeration.