One example involves a brain region called the striatum that has to do with automatic, habitual behaviors, exactly the sort of things that the amygdala can take advantage of by activating. The PFC sends inhibitory projections to the striatum as a backup plan—“I warned the amygdala not to do it, but if that hothead does it anyway, don’t listen to it.”[17] What happens to social behavior if the PFC is damaged? A syndrome of “frontal disinhibition.”
