Think about the last time you did something you knew was wrong. How did you explain your actions to yourself? All of us tell stories about why we do the things we do. We justify our failures, and come up with plausible explanations for our actions. This week, Elliot Aronson explains the mental processes behind this type of self-justification, and shares how he helped develop one of the most widely-known concepts in psychology: cognitive dissonance.If you're interested in learning more about the origins of cognitive dissonance, listen to our episode When You Need It To Be True. Do you like the ideas and insights we feature on Hidden Brain? Then please consider supporting our work by joining our new podcast subscription, Hidden Brain+. You can find it in the Apple Podcasts app, or by going to apple.co/hiddenbrain. Thanks!