Is it possible to count objects you can't see? If you've ever received a boxed gift, or a mysterious package from Amazon, you might have tried to lightly shake the box to try to guess its contents.

Some people with obsessive-compulsive disorder (OCD) experience a type of compulsion called compulsive counting. These individuals may feel the need to count objects, people, or actions.

Compulsively counting objects or actions is a common symptom of OCD. Exposure therapy can help you develop coping mechanisms when you encounter triggers. Obsessive-compulsive disorder (OCD) is a ...