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Cognitive dissonance

life science Maturity 5-7 Next article →

Have you ever felt a strange sense of unease when your actions do not match your beliefs? This mental feeling is called cognitive dissonance.

The Fox and the Grapes
The Fox and the Grapes

It happens when a person holds two ideas that clash. It can also happen when someone does something that goes against their values. This clash creates psychological stress or discomfort. People do not always notice this happening at first. However, the mind feels a strong need to fix the mismatch. This drive to find harmony helps us function in the real world.

Honoré Daumier 018
Honoré Daumier 018

To stop this discomfort, people use several different ways to make things fit. One way is to change a behavior. For example, someone might stop eating a sugary doughnut to match a healthy goal. Another way is to change a belief. A person might tell themselves that they are allowed to cheat on a diet. Some people add new ideas to justify what they did. They might say they will spend extra time at the gym later. Others might simply ignore or deny new information that causes the clash. This helps the mind feel like everything is consistent again.

Leon Festinger was the scientist who first proposed this important theory. He was born in 1919 in New York City. Festinger studied at the City College of New York and the University of Iowa. He earned his PhD in Child Psychology there. He was inspired by another famous scientist named Kurt Lewin. Festinger worked with Lewin at the Massachusetts Institute of Technology. He wrote about his ideas in books like "When Prophecy Fails" in 1956. He also published "A Theory of Cognitive Dissonance" in 1957.

MRI anterior cingulate
MRI anterior cingulate

Festinger's work is still very important in the study of how people think. The American Psychological Association named him the fifth most important psychologist of the 20th century. He was a very influential thinker in social psychology. He noticed that people like to keep steady habits and routines. For instance, people often prefer the same seat on a daily commute. Any big change to these patterns can cause mental unease. The amount of discomfort depends on how important the ideas are to the person. If the ideas are very important, the stress feels much larger.

We can see this theory in how we choose what to watch or read. This is called selective exposure. People often pick media that matches their current moods or beliefs. In a 1992 study, lonely residents in a home preferred watching shows about other lonely people. Watching happy people made them feel more dissonance. In a 2015 study, people trusted news that matched their political views the most. They often avoided news that challenged what they already thought.

Clark Stanley's Snake Oil Liniment
Clark Stanley's Snake Oil Liniment

By choosing familiar ideas, we try to keep our minds feeling calm and steady.

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🖼️ Images & Media (4)
File:Clark Stanley's Snake Oil Liniment.png
Clark Stanley's Snake Oil Liniment.png
File:The Fox and the Grapes.jpg
The Fox and the Grapes.jpg
File:Honoré Daumier 018.jpg
Honoré Daumier 018.jpg
File:MRI anterior cingulate.png
MRI anterior cingulate.png
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