Human anatomy illustration, central nervous system with a visible brain Credit: Shutterstock

Facts First” is the tagline of a CNN branding campaign which contends that “once facts are established, opinions can be formed.” The problem is that while it sounds logical, this appealing assertion is a fallacy not supported by research.

Cognitive psychology and neuroscience studies have found that the exact opposite is often true when it comes to politics: People form opinions based on emotions, such as fear, contempt and anger, rather than relying on facts. New facts often do not change people’s minds.

I study human development, public health and behavior change. In my work, I see firsthand how hard it is to change someone’s mind and behaviors when they encounter new information that runs counter to their beliefs.

Your worldview, including beliefs and opinions, starts to form during childhood as you’re socialized within a particular cultural context. It gets reinforced over time by the social groups you keep, the media you consume, even how your brain functions. It influences how you think of […]

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