‘President Donald Trump has made grievance a primary feature of his life and presidency, from the thousands of lawsuits he has filed to, most recently, his repeated claims of national election fraud. His opponents, and even many of his supporters, have wondered why he can’t seem to control his urges to lash out at perceived enemies.
I am a violence researcher and study the role of grievances and retaliation in violent crime. Recently, I’ve been researching the way grievances affect the brain, and it turns out that your brain on grievance looks a lot like your brain on drugs. In fact, brain imaging studies show that harboring a grievance (a perceived wrong or injustice, real or imagined) activates the same neural reward circuitry as narcotics….’