But once in a while, things don't go so well, and there's trouble in these circuits, and there are some rogue neurons that are misfiring and causing trouble, or sometimes they're underactive and they're not quite working as they should.
しかしときには　 物事があまりうまく行かず 脳神経回路にトラブルが起こり 誤作用している変異ニューロンが 問題を引き起こしたり 機能を鈍くしたりして 正常に機能しないことがあります