The idea that there are no such things as synonyms might sound crazy. Every grade-schooler knows what a synonym is and can name several of them. Except your brain doesn’t see them that way. Your brain sees them as different words for different situations, to be used in a very specific way. If you’ve been using the word “car” in a statement or story but suddenly switch to using “vehicle,” there’s a reason for that; it’s called a “change in perception.”
Being able to recognize those perception changes — and understand why they’re happening — is a crucial part of spotting deception in the form of concealed information or other forms. Today we’ll explain how all of that works.