I also used to believe that everyone else in the world was a robot. It is interesting to read others' comments as to why children sometimes believe this. Isolation and self-centeredness seem to be the most common reasons. I was probably a little of both.
Another thing I used to believe was that the fermata symbol in my elementary music songbooks was really a camera eye that was spying on me. I used to frown and make faces at it. So I was pretty paranoid as well!
A childhood belief about i'm different

others believed things like this
- i used to believe the news readers on TV could see us and i'd make funny faces to try to "distract" themAnon
- I thought if you point the video camera at the TV then both the video camera and the TV will explode.
Anon - My music teacher once said that music in an electrical piano was made by little tiny men that lived inside it.Anon
- i used to believe that parents do things to make there children happier. well i was wrong. — Emma C.
- when my friend was little, she used to eat paper, thinking it would make her read better.— hehehe
- I used to believe if you listened to to music upside down the music would be backwards— HOopty