Cognitive Dissonance

Cognitive dissonance theory, proposed by psychologist Leon Festinger in the 1950s, is a fundamental concept in psychology that explores the discomfort people experience when they hold conflicting beliefs, attitudes, or values. When individuals encounter information or situations that challenge their existing beliefs or attitudes, they often experience cognitive dissonance, a state of psychological tension. This tension arises from the inconsistency between what they believe and what they are confronted with.

To reduce this discomfort, individuals typically employ various cognitive and behavioral strategies. They may change their beliefs or attitudes to align with the new information, seek out information that supports their existing beliefs (confirmation bias), or downplay the significance of the conflicting information. For example, if someone holds a negative stereotype about a particular group but then has a positive encounter with a member of that group, they might experience cognitive dissonance. To alleviate this discomfort, they may adjust their stereotype or minimize the significance of the positive encounter.

Cognitive dissonance theory is crucial for understanding the dynamics of attitude change and behavior. It highlights the human tendency to strive for consistency in our beliefs and actions and the discomfort that arises when inconsistency occurs. By recognizing cognitive dissonance, psychologists and individuals alike can better understand the processes underlying attitude change, prejudice reduction, and decision-making in the face of conflicting information

An article where I talk about its impacts with respect to autism 

https://disabilityvisibilityproject.com/2021/02/06/a-boy-like-me/