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, which means âFat Tuesdayâ in French, conjures up images of drunken revelers engaging in excesses of every kind. But although debaucherous partying is certainly part of the scene, so too is religion, culture, food, historyâand the âStar Warsâ character Chewbacca.