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A fact from Memory and trauma appeared on Wikipedia's Main Page in the Did you know? column on 22 January 2008, and was viewed approximately 1,215 times (disclaimer)(check views). The text of the entry was as follows: "Did you know
...that the effects of head trauma on memory can be seen by the post-operative results of HM, a patient who has been unable to form any new long-term memories since a surgical procedure performed in the 1950s?"
In the fictional case of a patient with a cherry-sized tumor pressing on the temporal lobe of his brain, he temporarily suffered total retrograde amnesia, even after surgery was performed to remove the tumor. However, with time, he was not only able to remember everything starting after the surgery, but childhood memories, up to age 12, all returned with clarity. — Preceding unsigned comment added by 18.104.22.168 (talk) 12:26, 27 April 2015 (UTC)