1EFyYrZ3NBGLdzwcbeXsDE2TkZUFeqEvi1 (2755) ·
1953 at the age of 27 he had become so incapacitated by his seizures, despite high doses of anticonvulsant medication, that he could not work or lead a normal life. Henry Molaison, lost his memory on an operating table in a hospital in August 1953.
1EFyYrZ3NBGLdzwcbeXsDE2TkZUFeqEvi1 (2755) ·
Henry had a lobotomy on part of his brain. Dr. William Scoville removed most of Henry's hippocampus to stop the seizures, and it worked.
The operation was successful in that it significantly reduced the seizures.
https://twetch.app/t/aeb84d8c7cb5fcdd972ff57e8f41f74b7b5a56629766b0db0716cf9e7b66663b
1EFyYrZ3NBGLdzwcbeXsDE2TkZUFeqEvi1 (2755) ·
Two holes were drilled in the front of his skull and a portion of his brain, the front half of the hippocampus on both sides, and most of the almond-shaped amygdala, was sucked out.
https://twetch.app/t/beed4eeb84ccea1c815f142f923a20cca6310ec03097912b24346c55e8bf1584
1EFyYrZ3NBGLdzwcbeXsDE2TkZUFeqEvi1 (2755) ·
The hippocampus is a key region in the medial temporal lobe, and processing information through the hippocampus is necessary for the short-term memory to be encoded into a long-term memory.
1EFyYrZ3NBGLdzwcbeXsDE2TkZUFeqEvi1 (2755) ·
He could remember somethings, long-term memories, but he was unable to form new memories. If he met someone who then left the room, within minutes he had no recollection of the person or their meeting.
1EFyYrZ3NBGLdzwcbeXsDE2TkZUFeqEvi1 (2755) ·
Studies of Molaison paved the way for further exploration of the brain networks encoding conscious and unconscious memories. Even after his death in 2008 at the age of 82, neuroscientists continue to learn from him.