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: Made in China follows a single commodity, the beads used by revelers during New Orleans' Carnival, from the factory in China where they are produced to the streets of New Orleans where they are consumed.