A circuit in the brain that helps produce defensive behaviors became less active.
They found that infected rats did not lose their fear across the board.The problem is with addiction, and that the educational aspects of this are virtually nil, considering it is optional for the children to click on the educational facts, otherwise the main thing they will learn is materialism, as they strive to acquire possessions for their avatar. The past week, however, we noticed that she was being exposed to a great deal of foul language and sexual activity on this kid-friendly site.Other things they will learn are: lying, cheating, and stealing, as experienced players take advantage of new players by lopsided trades, and new players give away their passwords and thus control of their possessions to strangers. How can that be when the site has chat filters and constant moderation?When neurons fire, they produce c-Fos, and so the more active a region of the brain, the more c-Fos accumulates in it.The scientists found two big differences in infected rat brains when they sniffed cat urine, both of which occurred in the region around the amygadala.And the parasite also altered this sexual arousal circuit. Really, it would have been mind-blowing enough for a parasite to surgically swoop into a host brain and knock out the fear it felt towards a particular animal.