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.
â¢ MARDI GRAS (noun). The noun MARDI GRAS has 2 senses: 1. the last day before Lent. 2. a carnival held in some countries on Shrove Tuesday (the last day before Lent) but especially in New Orleans. Familiarity information: MARDI GRAS used as a noun is rare.