- The brain, plastic even into adulthood, reshapes itself to fit a new reality. In people who become blind as adults, Sacks notes, the part of the brain that once processed visual information does not atrophy, but is reallocated for another use. [Book Review "The Mind’s Eye" Oliver Sacks] https://www.nytimes.com/2010/11/14/books/review/apaul-t.html?nl=books&emc=booksupdateema3 4 comments science