The Ideological Brain: The Radical Science of Flexible Thinking

The Ideological Brain explores the relationship between political beliefs and brain biology. Drawing on cutting-edge research, Leor Zmigrod examines how cognition and environment interact to create inflexible thinking patterns in some individuals. The human brain constantly seeks coherence from fragmented sensory inputs and connection with others. Ideologies provide shortcuts by offering easy answers, scripts, and shared identity. However, they demand conformity and suppress individuality through rigid rules, repetitive rituals, and intolerance. Once ideologies take hold, they transform how we think, act, and interact, reducing our sensitivity and adaptability. Through innovative experiments, Zmigrod uncovers mechanisms driving beliefs and behaviors, demonstrating that politics are embedded in the structure of our minds. Her research shows that ideologues across the political spectrum struggle to change thought patterns when encountering new information. While some individuals are more susceptible to dogmatic thinking than others, Zmigrod argues that all of us can work toward greater mental flexibility and openness in the face of extreme ideologies. Named a best book of the year by The Guardian and The Telegraph.