As a result, many could have a hard time recognizing abnormal behavior.

It's a type of parasomnia - an abnormal behavior that takes place during sleep.

The results showed that almost all the patients had reduced abnormal behavior and in some cases the subject was completely controlled.

One wonders what he's been studying all these years - abnormal behavior?

When trying to understand the causes of abnormal behavior, he saw many mentally ill people.

This can be established by monitoring different things for abnormal behavior.

It can be difficult to draw the line between normal and abnormal behaviors.

People have tried to explain and control abnormal behavior for thousands of years.

How can one explain the abnormal behavior of the wind and water?

The child's abnormal behaviour was starting to worry his parents.