^ 1.01.1Benedict Carey. No Memory, but He Filled In the Blanks. New York Times. December 6, 2010 [2008-12-05]. (原始内容存档于2018-06-13). Henry Gustav Molaison — known through most of his life only as H.M., to protect his privacy — became the most studied patient in the history of brain science after 1953, when an experimental brain operation left him, at age 27, unable to form new declarative memories. ... After repeated trials on the same puzzles, the man who lost his memory learned to fill in the right answers. 'We found that he could learn new semantic, factual information as long as he had something in his memory to anchor it to,' Dr. Skotko said.
^ 2.02.12.2Benedict Carey. H. M., an Unforgettable Amnesiac, Dies at 82. New York Times. December 4, 2008 [2008-12-05]. (原始内容存档于2018-06-13). 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 declarative memories.
^Schaffhausen, Joanna. Henry Right Now. The Day His World Stood Still. BrainConnection.com. [2008-08-05]. (原始内容存档于2008-02-09).
^Corkin, Suzanne. Lasting consequences of bilateral medial temporal lobectomy: Clinical course and experimental findings in H.M.. Seminars in Neurology (New York, NY: Thieme-Stratton Inc.). 1984, 4 (4): 249–259. doi:10.1055/s-2008-1041556.
^The Man Who Couldn't Remember. NOVA scienceNOW. June 1, 2009 [2010-12-09]. (原始内容存档于2018-10-05). In between it all he did puzzles, books upon books of them, a habit he’d picked up as a teenager. Near the end of his life he kept a crossword book and pen with him always, in a basket attached to his walker.