How our perception of reality can be tricked:-http://blogs.scientificamerican.com/thoughtful-animal/2012/03/26/the-illusion-of-being-human/-"The self is, in a very real way, an illusion. Most of the neural computations that comprise each of "your" behaviors and "your" experiences occur below the level of conscious awareness. Imagine, Eagleman said, that a computer gained autonomous control over each of its peripheral devices, ripped the cover off of the tower, and pointed the webcam at the circuits and wires inside. This, essentially, has described much of the human scientific endeavour. And we're the only species that does this. We are the only species that is obsessed with its own purpose and origins. We're the only species (contrary to some accounts) that gets together to discuss the nuances of what it means to be us. Perhaps this, precisely, is what it means to be human."-Even if we can be fooled, obviously, we are still different in kind