Hallucinations in Everyday Life. Our conscious experiences of the world around us, and of ourselves within it, are kinds of controlled hallucinations that happen with, through and because of our living bodies. Let us take, couple of examples for this. In the rubber hand example, a person's real hand is hidden from the view, and then fake rubber hand is placed in front of him. Then both hands are simultaneously stroke with a paint brush, while the person stares at the fake hand. Now, for most of the people, after a while, this leads to the very uncanny sensation that the fake hand is in fact part of their hand. And the idea is that the congruence between seeing touch and feeling touch on an object that looks like a hand and is roughly where a hand should be, is enough evidence for the brain to make it's best guess that the fake hand is in fact part of the body. Here is another example, which shows just how quickly the brain can use new predictions to change what we conscio...