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1The human brain has the ability to constantly form new networks and connections between brain cells. This means the
2brain has an almost magical ability to change. This characteristic is (26) apparent in a new study, focusing on people
3who underwent a hemispherectomy, a surgical procedure in which half of the brain is removed to treat illness. The
4findings showed that, despite missing half of this critical (27) 、participants could function well. This was because the
5(28) half of their brain strengthened. In fact, researchers found that connections一 and thus communication- between
6parts of different brain networks are actually stronger in people who had hemispherectomies than in people with intact
7brains. This (29) that the brain is able to compensate for loss of certain brain structure. There are many other cases
8in the medical (30) that document the brain's amazing ability to (31) . For example, a young boy had a significant
9portion of his brain removed for medical reasons, which included the part of the brain (32) for sight. But a few years
10after his surgery, scientists found that he could (33) see. They determined that this was because other parts of his
11brain took over the missing part's (34) tasks. Another study involved people who could smell, despite missing the region
12in the brain that processes information about smells. Though they are not sure how these individuals (35) the ability to
13smell, scientists believe it is possible that another part of the brain took on that task.
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