"They're so over the top," Mr. Freeman says of the simulated violent acts in each commercial, which were produced by using stunt performers "and some camera tricks."

The bureau said in the course of the investigation it collected pornographic evidence involving mostly victims of ages 2 to 13 who were pictured either nude or engaged in actual or simulated sexual acts.

Pornography consists in removing real or simulated sexual acts from the intimacy of the partners, in order to display them deliberately to third parties.

The duck answered by punching the Houston mascot in the face and then performing simulated lewd acts on top of the cougar.

Sheik then usually grabbed the mic and said "Iran number 1, Russia number 1, USA (followed by a simulated spitting act)."

The students who had played the violent video games were observed to be significantly less affected by the a simulated aggressive act than those who didn't play the violent video games.

A provision of the Children's Safety Act of 2005, already passed by the House, would expand the definition of sexual activity to include simulated acts like those that appear in many movies and television shows.

In performances and videos dating back to the early 1970's, Mr. McCarthy showed himself in simulated acts of self-mutilation, defecation, dismemberment, vomiting and suffocation, to name but a few.

Even in the midst of vividly simulated sexual acts, no one has a good time.

Continuing her provocative imagery, Madonna starred in the erotic thriller Body of Evidence, which featured the singer fully nude and in scenes engaged in simulated sexual acts.