The Brain The Brain _______ ___________ ______________ ___________.
Brain snatched
-
Upload
t0nywilliams -
Category
Health & Medicine
-
view
1.095 -
download
0
description
Transcript of Brain snatched
![Page 1: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/1.jpg)
Brain SnatchedThought experiment 1
![Page 2: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/2.jpg)
Do we have any REASON to suppose that the earth and everything on it really exists?
Or could it all be an illusion!
![Page 3: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/3.jpg)
A brain in a vat
Colin Spiggott about to relax and watch the film Invasion of the body snatchers
![Page 4: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/4.jpg)
Aliens from another planet
![Page 5: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/5.jpg)
A night of nightmares
![Page 6: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/6.jpg)
Neptune
![Page 7: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/7.jpg)
Removing the brain
![Page 8: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/8.jpg)
Brain in a vat
![Page 9: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/9.jpg)
Connected to the super computer
![Page 10: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/10.jpg)
It’s not real, it’s all an illusion
![Page 11: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/11.jpg)
Carrot to goldfish
![Page 12: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/12.jpg)
Immersed in a computer program
![Page 13: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/13.jpg)
Wake up…it’s a nightmare
![Page 14: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/14.jpg)
Hideous Neptunian alien
![Page 15: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/15.jpg)
‘This is you Colin’
![Page 16: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/16.jpg)
How do you know that you are not a brain in a vat?
![Page 17: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/17.jpg)
2 Hypothesis
1. What you see around you is all virtual – An illusion. You are really a disembodied brain floating in water connected to a sophisticated super computer that generates perfect experiences as we know them
What you see around you is real
![Page 18: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/18.jpg)
What justifies that belief?
In order to know something you need grounds for believing it. You must be justified in believing what you do. So in order to know that what you see is real and not virtual, you must be able to justify that belief. But it seems you cannot justify it. So, astonishingly, it seems you do not know that what you are now experiencing is real.
![Page 19: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/19.jpg)
An astonishing conclusion
A sceptical conclusion
Sceptics claim that we do not know what we might think we know. The claim that we do not know anything about the world around us is called scepticism.
http://www.youtube.com/watch?v=ursdoT66JlU
![Page 20: Brain snatched](https://reader034.fdocuments.net/reader034/viewer/2022051513/546c58b1af795980298b4f76/html5/thumbnails/20.jpg)
Lisa the sceptic
Watch the episode from 6 minutes onwards