Dr. Greg 's Memory System

1437 Words Apr 30th, 2016 6 Pages
What started off as a simple vision discomfort in 1971 turned into a tumor that destroyed Greg’s memory system in his early 20s. However, as his brain tumor grew, it did not affect his memory until the end stages. By the time that it was discovered, the tumor had damaged his temporal lobe, the hippocampus, and the pituitary gland. Greg lived a very simple, tranquil life and he was in his mid 40s when this story was written.
The damage to Greg’s temporal lobe, which is also in charge of his memory system, evidently damaged his previous memories as well. The damage to his hippocampus also injured his ability to form new memories and separated the transfer pathways of his memories. This stopped the transmission of stimuli from his short term memory to his long term memory. In addition to the brain damage, his personality changed dramatically; Greg went from someone who was active and rebellious to an individual that is dull and quiet. In his case, Greg suffered both anterograde and retrograde amnesia. He could not form any memory after 1970 and the memories prior to 1970 was also somewhat lost. Greg was able to retain memories of his favorite bands and songs from 1964-1968, but is unaware that some of his favorite artists had past. Most of his memories were stuck in the 1960s, even the memories of his parents. His best retained were his procedural memories, like playing the guitar. Greg was able to pick up a guitar and unconsciously let the music flow through his fingertips.…
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