[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Just over a year ago, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,for the third time in my life, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I seized to exist. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I was having a small operation, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and my brain was filling with anesthetic. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I remember a sense of detachment\Nand falling apart Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and a coldness. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And then I was back, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,drowsy and disoriented, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but definitely there. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,When you wake from a deep sleep, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,you might feel confused about the time\Nor anxious about oversleeping, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but there's always a basic sense\Nof time having passed, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of a continuity between then and now. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Coming out from\Nanesthesia is very different. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I could have been under for five minute, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,five hours, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,five years, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,or even 50 years. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I simply wasn't there. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,It was total obliviion. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Anesthesia -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it's a modern kind of magic. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,It turns people into objects -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and then we hope -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,back again into people. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And in this process Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is one of the greatest remaining\Nmysteries in science and philosophy. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,How does consciousness happen? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Somehow, within each or our brains, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the combined activity\Nof many billions of neurons, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,each one a tiny biological machine, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is generating a conscious experience. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And not just any conscious experience -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,your conscious experience\Nright here and right now. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,How does this happen? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Answering this question is so important Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,because consciousness\Nfor each of us is all there is. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Without it, there's no world, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,there's no self, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,there's nothing at all. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And when we suffer, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we suffer conciously, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,whether it's through mental\Nillness or pain. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And if we can experience\Njoy and suffering, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,what about other animals? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Might they be conscious, too? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Do they also have a sense of self? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And as computers get faster and smarter, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,maybe there will come a point, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,maybe not too far away, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,when my iPhone develops a sense\Nof its own existence. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I actually think the prospects\Nfor a conscious AI are pretty remote. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And I think this because\Nmy research is telling me Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that consciousness has less to do\Nwith pure intelligence Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and more to do with our nature\Nas living and breathing organisms. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Consciousness and intelligence\Nare very different things. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,You don't have to be smart to suffer, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but you probably do have to be alive. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,In the story I'm going to tell you, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,our conscious experiences\Nof the world around us, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and of ourselves within it, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,are kinds of controlled hallucinations Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that happen with, through\Nand because of our living bodies. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now, you might have heard\Nthat we know nothing Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,about how the brain and body\Ngive rise to consciousness. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Some people even say it's beyond\Nthe reach of science all together. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,But in fact, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the last 25 years have seen an explosion\Nof scientific work in this area. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,If you come to my lab \Nat the University of Sussex, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,you'll find scientists\Nfrom all different disciplines, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and sometimes even philosophers. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,All of us together trying to understand\Nhow conscioussness happens Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and what happens when it goes wrong. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The strategy is very simple. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I'd like you to think about consciousness Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in the way that we've\Ncome to think about life. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,At one time, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,people thought the property\Nof being alive could not be explained Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,by physics and chemisty. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,That life had to be more\Nthan just mechanism. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,But people no longer think that. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,As biologists got on with the job Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of explaining the properties\Nof living systems Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in terms of physics and chemistry -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,things like metabolism, reproduction,\Nhomeostasis -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the basic mystery of what life is\Nstarted to fade away, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and people didn't propose any more\Nmagical solutions, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,like a force of life or an élan vital. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So as with life, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,so with consciousness. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Once we start explaining its properties Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in terms of things happening\Ninside brains and bodies, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the apparently insoluble mystery\Nof what consciousness is Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,should start to fade away. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,At least that's the plan. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So let's get started. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,What are the properties of consciousness? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,What should a science\Nof consciousness try to explain? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Well, for today I'd just like to think\Nof consciousness in two different ways. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There are experiences\Nof the world around us, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,full of sights, sounds and smells, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,there's multisensory, panoramic,\N3D, fully immersive inner movie. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And then there's conscious self. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The specific experience\Nof being you or being me. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The lead character in this inner movie, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and probably the aspect of consciousness\Nwe all cling to most tightly. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Let's start with experiences\Nof the world around us Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,with the important idea of the brain\Nas a prediction engine. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Imagine being a brain. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,You're locked inside a bony skull, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,trying to figure out what's\Nout there in the world. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There's no lights inside the skull. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There's no sound either. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,All you've got to go on is streams\Nof electrical impulses Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which are only indirectly related\Nto things in the world, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,whatever they may be. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So perception -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,figuring out what's there -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,has to be a process of informed guess work Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in which the brain combines\Nthese sensory signals, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,with its prior expectations or beliefs\Nabout the way the world is Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to form its best guess of what\Ncaused those signals. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The brain doesn't hear sound or see light. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,What we perceive is its best guess\Nof what's out there in the world. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Let me give you a couple\Nof examples of all this. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,You might have seen this illusion before, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but I'd like you to think\Nabout it in a new way. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,If you look at those two patches, A and B, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,they should look to you to be\Nvery different shades of gray, right? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,But they are in fact\Nexactly the same shade. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And I can illustrate this. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,If I put up a second version\Nof the image here, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and join the two patches\Nwith a gray-colored bar, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and you can see there's no difference. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,It's exactly the same shade of gray. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And if you still don't believe me, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I'll bring the bar across\Nand joing them up. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,It's a single colored block of gray, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,there's no difference at all. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So this isn't any kind of magic trick. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,It's the same shade of gray, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but take it away again, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and it looks different. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So what's happening here Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is that the brain is using\Nits prior expectations Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,built deeply into the circuits\Nof the visual cortex Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that a cast shadow dims\Nthe appearance of a surface, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,so that we see B as lighter\Nthan it really is. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Here's one more example, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which shows just how quickly\Nthe brain can use new predictions Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to change what we consciously experience. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Have a listen to this. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,([Sound]) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Sounded strange, right? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Have a listen again and see\Nif you can get anything. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,([Sound]) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Still strange. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now listen to this. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Recording: I think breakfast\Nis a really terrible idea. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Which I do. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So you heard some words there, right? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now listen to the first sound again. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I'm just going to replay it. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,([Recording]) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Yeah? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So you can now hear words there. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,One more more for luck. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,([Recording]) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,OK, so what's going on here? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The remarkable thing is the sensory\Ninformation coming into the brain Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,hasn't changed at all. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,All that's changed is your\Nbrain's best guess Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of the causes of that sensory information. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And that changes what you\Nconsciously hear. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,All this puts the brain\Nbasis of perception Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in a bit of a different light. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Instead of perception depending largely\Non signals coming into the brain Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,from the outside world, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it depends as much, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,if not more, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,on perceptual predictions flowing\Nin the opposite direction. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We don't just passively\Nperceive the world, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we actively generate it. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The world we experience comes\Nas much if not more Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,from the inside out Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,as from the outside in. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Let me give you one more\Nexample of perception Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,as this active, constructive process. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Here we've combined immersive\Nvirtual reality with image processing Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to simulate the effects of overly\Nstrong perceptual predictions Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,on our experience. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,In this panoramic video, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we've tranformed the world -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which is in this case Sussex Campus -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,into a psychedilic playground. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We've processed the footage using\Nan alogrithm based on Google's Deep Dream Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to simulate the effects of overly strong\Nperceptual predictions. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,In this case, to see dogs. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And you can see this\Nis a very strange thing. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,When perceptual\Npredictions are too strong, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,as they are here, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the result looks very much like the kinds\Nof hallucinations people might report Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in altered states, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,or perhaps even psychosis. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Think about this for am minute. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,If hallucination is a kind\Nof uncontrolled perception, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,then perception right here and right now\Nis also a kind of hallucination, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but a controlled hallucination Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in which the brain's predictions\Nare being reigned in Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,by sensory information from the world. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,In fact, we're all\Nhallucinating all the time, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,including right now, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it's just that when we agree\Nabout our hallucinations, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we call that reality. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now I'm going to tell you that your\Nexperience of being a self, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the specific experience of being you, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is also a controlled hallucination\Ngenerated by the brain. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,This seems a very strange idea, right? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Yes, visual illusions\Nmight deceive my eyes, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but how could I be deceived\Nabout what it means to be me? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,For most of us, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the experience of being a person\Nis so familiar, so unified Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and so continuous Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that it's difficult not\Nto take it for granted. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,But we shouldn't take it for granted. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There are in fact many different way\Nwe experience being a self. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There's the experience of having a body Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and of being a body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There are experiences\Nof perceiving the world Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,from a first person point of view. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There are experiences\Nof intending to do things Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and of being the cause of things\Nthat happen in the world. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And there are experiences of being\Na continuous and distinctive person Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,over time, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,built from a rich set of memories\Nand social interactions. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Many experiments show, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and psychiatrists and\Nneurologists know very well Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that these different ways in which\Nwe experience being a self Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,can all come apart. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,What this means is the basic\Nbackground experience Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of being a unified self is a rather\Nfragile construction of the brain, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,another experience, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which just like all others, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,requires explanation. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So let's return to the bodily self. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,How does the brain generate\Nthe experience of being a body Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and having a body? Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Well, just the same principles apply. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The brain makes its best guess Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,about what is and what is not\Npart of its body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There's a beautiful experiment\Nin neuroscience to illustrate this. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And unlike most neuroscience experiments, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,this is one you can do at home. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,All you need is one of these. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And a couple of paint brushes. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,In the rubber hand illusion, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,a person's real hand is hidden from view. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And that fake rubber hand\Nis placed in front of them. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Then both hands are simultaneously\Nstroked with a paintbrush Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,while the person stares at the fake hand. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now for most people, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,after a while, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,this leads to the very uncanny sensation Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that the fake hand is\Nin fact part of their body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And the idea is that the congruence\Nbetween seeing touch and feeling touch Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,on an object that looks like hand, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and is roughly where a hand should be, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is enough evidence for the brain\Nto make its best guess Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that the fake hand is in fact\Npart of the body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So you can measure\Nall kinds of clever things. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Like you can measure skin conductants Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and start and responses, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but there's no need. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,It's clear the guy in blue\Nhas assimilated the fake hand. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,This means that even experiences\Nof what our body is Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is kind of best guessing -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,a kind of controlled\Nhallucination by the brain. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There's one more thing. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We don't just experience our bodies\Nas objects in the world from the outside, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we also experience them from within. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We all experience the sense\Nof being a body from the inside. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And sensory signals coming from\Nthe inside of the body Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,are continually telling the brain\Nabout the state of the internal organs, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,how the heart is doing, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,what the blood pressure is like, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,lots of things. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And this kind of perception, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which we call intereception, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is rather over-looked. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,But it's critically important Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,because perception and regulation\Nof the internal state of the body -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,well, that's what keeps us alive. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Here's another version of the\Nrubber hand illusion. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,This is from our lab at Sussex. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And here, people see a virtual\Nreality version of their hand, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which flashes red and back Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,either in time or out of time\Nwith their heartbeat. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And when it's flashing in time\Nwith their heartbeat, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,people have a strong sense that it's\Nin fact part of their body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So experiences of having a body\Nare deeply grounded Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in perceiving our bodies from within. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,There's one last thing I want\Nto draw your attention to, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,which is that experiences of the body\Nfrom the inside are very different Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,from experiences of the world around us. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,When I look around me, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the world seems full of objects -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,tables, chairs , rubber hands, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,people, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,[you lot] -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,even my own body in the world, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I can perceive it as an object\Nfrom the outside, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but my experiences of my body from within, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,they're not like that at all. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I don't perceive my kidneys here, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,my liver here, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,my spleen ... Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I don't know where my spleen is, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but somewhere. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I don't perceive my insides as objects. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,In fact I don't experience them much\Nat all unless they go wrong. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And this is important I think. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Perception of the internal\Nstate of the body Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,isn't about figuring out what's there, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it's about control and regulation -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,keeping the physiological variables\Nwithin the tight bounds Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that are compatible with survival. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,When the brain uses predictions\Nto figure out what's there, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we can see objects\Nas the causes of sensations. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,When the brain uses predictions\Nto control and regulate things, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we experience how well\Nor how badly that control is going. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So out most basic experiences\Nof being a self, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of being a body organism, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,are deeply grounded in the biological\Nmechanisms that keep us alive. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And when we follow this idea\Nall the way through, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we can start to see that all\Nof our conscious experiences, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,since they all depend on the same\Nmechanisms of predictive perception, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,all stem from this basic\Ndrive to stay alive. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We experience the world and ourselves Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,with, through and because of\Nour living bodies. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Let me bring things together step by step. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,What we consciously see depends\Non the brain's best guess Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of what's out there. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Our experienced world\Ncomes from the inside out, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,not just the outside in. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,The rubber hand illusion shows\Nthat this applies to our experienes Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,of what is and what is not our body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And these self related predictions\Ndepend critically on sensory signals Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,coming from deep inside the body. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And finally, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,experiences of being an embodied self\Nare more about control and regulation Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,than figuring out what's there. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,So our experiences of the world\Naround us and ourselves within it -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,well, they're kinds\Nof controlled hallucinations Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that have been shaped\Nover millions of years of evolution Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to keep us alive in worlds\Nfull of danger and opporunity. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We predict ourselves into existence. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now I leave you with three\Nimplications of all this. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,First, just as we can\Nmisperceive the world, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we can misperceive ourselves Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,when the mechanisms\Nof prediction go wrong. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Understanding this opens many new\Nopportunities in psychiatry and neurology, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,because we can finally\Nget at the mechanisms Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,rather than just treating the symptoms Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in conditions like\Ndepression and schizophrenia. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Second: Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,what it means to be me cannot be\Nreduced to or uploaded to Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,a software program running on a robot, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,however smart or sophisticated. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,We are biological, flesh-and-blood animals Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,whose conscious experiences\Nare shaped at all levels Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,by the biological mechanisms\Nthat keep us alive. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Just making computers smarter\Nis not going to make the sentient. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Finally, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,our own individual inner universe, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,our way of being conscious, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,is just one possible\Nway of being conscious. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And even human consciousness generally -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it's just a tiny region in a vast space\Nof possible consciousnesses. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Our individual self and worlds\Nare unique to each of us, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but they're all grounded Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in biological mechanisms shared\Nwith many other living creatures. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Now, these are fundamental changes\Nin how we understand ourselves, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but I think they should be celebrated, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,because as so often in science, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,when Copernicus -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we're not at the center\Nof the universe -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to Darwin -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we're related to all other creatures -- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,to the present day. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,With a greater sense of understanding Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,comes a greater sense of wonder, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and a greater realization that we\Nare part of and not apart from Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,the rest of nature. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,And when the end of consciousness comes, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,there's nothing to be afraid of. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Nothing at all. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Thank you. Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,(Applause)