My conclusion is that President Johnson experienced certain episodes of what I believe to have been paranoid behavior.

Others were more concerned about his apparent mental instability and paranoid behaviors.

The team kept moving around and Lynch started to display paranoid behaviour.

So I went to the other side of the room and made some more notes about the strange, paranoid behavior that had puzzled me for the past few days.

After displaying paranoid behavior, she had her service revolver taken away, the police said.

Ian is waiting for her and apologises for his paranoid behaviour, saying it won't happen again.

Some sufferers often experience a personality change and develop bizarre and paranoid behavior.

It is simpler to simulate paranoid behavior, perhaps, but it is not trivial.

As an example, a 'paranoid' program was written (by a psychiatrist) to simulate human paranoid behaviour in a consultation dialogue with a doctor.

Worse, the drug can cause irrational or psychotic paranoid behavior.