Word: amygdala
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...addition, Makris also noticed that the reduction of amygdala size is much more pronounced on the right side, and that the end result is a symmetrical amygdala...
Nikolaos Makris, instructor in neurology and an author of the study who developed the technology to image and measure the size of the amygdala, found that the amygdala of cocaine addicts is significantly smaller than non-addicts...
According to Breiter, the amygdala is only symmetrical in children. As we mature, however, the right side of the amygdala enlarges at a faster rate than the left side, establishing asymmetry...
...study found that people who had been addicted to cocaine for one year had about the same amount of amygdala shrinkage as those who had been addicted for up to 27 years. This confirmed that genes, and not the drug itself, were responsible...
...There are two possible types of predisposition,” said Breiter. “Either the amygdala was going to develop normally, but the drug caused it not to, or the amygdala was never going to develop normally in the first place...