Confabulation

In everyday life

You can't recall how a dent got on your car, so you settle on a story about a runaway shopping cart, and a month later you remember it as fact.

Offered four identical scarves, you pick the one on the right and then explain with confidence that its weave feels softer, fully believing your reason.

Why your mind does this

Our ancestors survived by spotting patterns fast: rustling grass might mean a predator, and dark clouds meant rain. Filling gaps with a plausible story lets us act on thin information instead of freezing. A brain that sometimes sees a pattern that isn't there loses less than one that misses a real threat.

Its family, in 30 seconds: Stories & patterns

How to spot it

Ask yourself whether you truly remember this detail or are filling in what probably happened.

How to counter it

Check your account against a record, such as a receipt, message or photo, before repeating it as fact.