The patient was a test subject one experiment they conducted was the effects of an enhanced cerebellum. The effects of this included greater muscle coordination as well as significantly improved reaction speed
Cerebellum
Hypothalamus
Scientist conducted an experiment on himself and greatly enhanced his hypothalamus. The result of his experiment was that he became extremely aggressive and his sense of fear was greatly reduced
Man encounters a wizard. Wizard offers him a potion that will change his life forever. Curious and skeptical, he accepts the potion and drinks it. Doing so causes his amygdala to significantly grow causing the man to lose a sense of fear and becoming fearless.