H.M., the man who had no memory for 55 years...

He knew his name. That much he could remember.

He knew that his father’s family came from Thibodaux, La., and his mother was from Ireland, and he knew about the 1929 stock market crash and World War II and life in the 1940s.

But he could remember almost nothing after that.

In 1953, he underwent an experimental brain operation in Hartford to correct a seizure disorder, only to emerge from it fundamentally and irreparably changed. He developed a syndrome neurologists call profound amnesia. He had lost the ability to form new memories. More...

See also:

1. Jill Price, the woman who remembers everything!!!
2. Brad Williams, the man with the amazing memory...
3. The woman who lost her sense of smell...
4. Strange: the guy who hasn't slept for ... 37years???
5. Young girls ... and strange allergies