Leor Zmigrod discusses her research into the link between cognitive style and political extremism. People who rate themselves as highly adaptable often score as the most rigid during unconscious cognitive testing. Zmigrod discusses her research into the link between cognitive style and political extremism, explaining how rigid thinking predicts dogmatism across the entire political spectrum. The Extremism Overlap: Why radical leftists and the radical right exhibit strikingly similar psychological profiles rooted in cognitive rigidity and emotional impulsivity. The Violence Connection: How highly rigid minds fuse rapidly to group identities and are significantly more willing to endorse political violence.