But no one knows yet what such changes mean in terms of human behavior.

Whatever the cause of her behavior, she said nothing to him.

Through research, we now have a better understanding of the behavior.

That also made her a good student of human behavior.

The system as a whole was given rules of behavior.

But the truth is, the games are actually the cause of such behavior.

The same sort of behavior you'd expect to find from a computer program.

How does this all play out in terms of behavior?

"We wanted to do the same thing for the study of behavior."

Is that the kind of behavior you brought from America?