" The most convincing data concern rare humans with damage restricted to the amygdala, either due to a type of encephalitis or a congenital disorder called Urbach-Wiethe disease, or where the amygdala was surgically destroyed to control severe, drug-resistant seizures originating there.5 Such individuals are impaired in detecting angry facial expressions (while being fine at recognizing other emotional states—stay tuned). "

― Robert M. Sapolsky , Behave: The Biology of Humans at Our Best and Worst