What Slips of the Tongue Reveal About the Mind

Sometimes we know exactly what we want to say, but something entirely different comes out of our mouths.

Awkward slips of the tongue provide valuable clues about how speech is organized in the mind.

Far from being flaws, verbal slips are reminders of the cognitive system that makes language possible.

During a recent episode of The View, co-host Alyssa Farah Griffin was discussing Donald Trump Jr.’s wedding when she accidentally referred to it as a “funeral.” Realizing the mistake, she quickly corrected herself, but the slip immediately caught the attention of viewers.

Most people have experienced similar moments. A current partner is called by an ex’s name. A speaker accidentally substitutes one word for another and ends up saying something completely unintended. Such verbal blunders can be embarrassing and amusing, but they are also revealing.Why does the brain seem to know exactly what it wants to say, only for something entirely different to come out of our mouths?

The Brain’s Internal Editor

Human speech is not produced in a single step. As people speak, they continuously monitor what they are about to say and what they have just said. This process acts like an internal editor, catching countless mistakes before they ever reach the outside world.

Most errors never make it past this monitoring system. Occasionally, however, one slips through. When that happens, speakers may pause, restart a sentence, or correct themselves mid-utterance. They may also produce fillers such as “um,” “uh,” or “well” while searching for the right word or planning what to say next.

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