reblog if you want your url written in Gallifreyan. (I have been training hard for this)
Cotard Delusion is a rare disorder in which the affected people experience one or more of a number of delusions including that they are dead, do not exist, have lost body parts, blood or organs, or that they have lost their soul.
Patients, when asked how they are able to walk and talk and interact seem confused and unable to understand how that’s possible but will maintain their belief.
In 2006 a man identified as Graham attempted suicide by taking a toaster into the bathtub with him. He did not succeed in ending his life, but he believed that he had. When he woke, he believed that his brain was, fried in the bathtub, and that he was dead.
"When I was in hospital I kept on telling them that the tablets weren’t going to do me any good ‘cause my brain was dead. I lost my sense of smell and taste. I didn’t need to eat, or speak, or do anything. I ended up spending time in the graveyard because that was the closest I could get to death."
Using PET scans doctors assessed his brain, the first brain scans of a person with Cotard Syndrome they found that Metabolic rates of his brain were so low it was functioning as if he was in a vegetative state, under anesthesia, or asleep.
Further reading: http://learnsomethingscience.blogspot.com/#!/2013/12/cotard-delusion-named-for-jules-cotard.html