Tip #36: Gestalt—Common fate

We perceive things that move together as being in a group with meaningful connections. In the video below, at first you see one group of circles, but shortly afterwards, your brain separates this group into two different groups, and it takes a second. We see this effect, too, with flocks of birds in the sky. We don’t know that they’re together, but because their flight is in the same direction, we assume they’re members of the same group.