Other officials have played down the psychological impact of the attacks.

But for others, the psychological impact may have been less.

That had a large psychological impact on the religious population.

The surprise effect should have a positive psychological impact too.

"It's going to have a significant psychological impact on people involved in these issues."

The psychological impact on other such groups might be real.

We don't yet really know the physical and psychological impact of being slaves to technology.

"You can't even imagine what the psychological impact will be on her life."

"Their claim is simply going for more psychological impact on the population," he said.

The psychological impact is not simply a matter of size.