<span>It is is known as perceptual constancy. In perceptual constancy you are not able to notice changes in an objects shape, size or direction. In other words, even though an objecting is changing it always looks the same to you even when change is actually occurring because you have gotten so use to your perceived appearance.</span>
The judicial branch interprets laws and determines if a law is unconstitutional. The judicial branch includes the U.S. Supreme Court and lower federal courts.