At the end of the procedure a flashing light may be placed nearby to see if this affects your brain activity. Sleep EEG or sleep-deprived EEG. A sleep EEG is carried out while you're asleep. It may be used if a routine EEG doesn't give enough information, or to test for sleep disorders.
This is all I could find on years...Prometheus was originally intended as a direct prequel to the 1979 science fiction horror film Alien, set approximately 30 years before the events depicted in the film. Alien supposedly takes place around 2122. Prometheus had a date of 2093 according to the intro.
Clash of the Titans is a 2010 British-American heroic fantasy adventure film and remake of the 1981 film of the same name produced by MGM (the rights to which had been acquired by Warner Bros. in 1996). The story is very loosely based on the Greek myth of Perseus.