EG, who has requested to go by her initials to protect her privacy, is missing her left temporal lobe, a part of the brain thought to be involved in language processing. EG, however, wasn’t quite the right fit for what the scientists were studying, so they referred her to Evelina Fedorenko, a cognitive neuroscientist, also at MIT, who studies language. It was the beginning of a fruitful relationship. The first paper based on EG’s brain was recently published in the journal Neuropsychologia, and Fedorenko’s team expects to publish several more.
For EG, who is in her fifties and grew up in Connecticut, missing a large chunk of her brain has had surprisingly little effect on her life. She has a graduate degree, has enjoyed an impressive career, and speaks Russian—a second language–so well that she has dreamed in it. She first learned her brain was atypical in the autumn of 1987, at George Washington University Hospital, when she had it scanned for an unrelated reason. The cause was likely a stroke that happened when she was a baby; today, there is only cerebro-spinal fluid in that brain area. For the first decade after she found out, EG didn’t tell anyone other than her parents and her two closest friends. “It creeped me out,” she says. Since then, she has told more people, but it’s still a very small circle that is aware of her unique brain anatomy.
Over the years, she says, doctors have repeatedly told EG that her brain doesn’t make sense. One doctor told her she should have seizures, or that she shouldn’t have a good vocabulary—and “he was annoyed that I did,” she says.
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