Real-life example

He keeps saying someone stole his wallet, but it is usually misplaced.

Common age-related pattern may look like

A moment of frustration when something is missing can happen, especially if the person later corrects themselves.

Warning pattern may look like

Repeated suspicion without evidence, especially alongside misplaced objects and poor recall, deserves closer observation.

Helpful things to notice

  • How often does this happen?
  • Is it always about missing items?
  • Can they revise their belief when the item is found?
  • Does it create family conflict?
  • Is there any safety issue?

Structured observation

How often have you noticed this recently?
Compared with 6-12 months ago, is this happening more often?
When reminded, can they usually reconnect with what happened?
Is this affecting daily independence or responsibilities?
Does this involve safety, such as getting lost, medication, stove, doors, driving, or financial harm?
Did this change appear suddenly over hours or days?