For guinea pigs, they advertise in the student newspapers. Subjects are picked up by taxi, paid $ 5 an hour, and asked to adjust their sleeping patterns according to instructions. Dr. Louise

For guinea pigs, they advertise in the student newspapers. Subjects are picked up by taxi, paid $ 5 an hour, and asked to adjust their sleeping patterns according to instructions. Dr. Louise Reyner provides reassurance: “Some people are quite worried, because you’re putting electrodes on their heads, and they think you can see what they’re dreaming or thinking.”