Visual Face-preference in the Human Fetus?

Even before we're born, human beings are sensitive to face-like shapes, according to a paper just published in Current Biology. British researchers Vincent M. Reid and colleagues of the University of Lancaster used lasers to project a pattern of three red dots onto the abdomen of pregnant women. The lasers were bright enough to be visible from inside the womb. The dots were arranged to be either "face-like", i.e. with two "eyes" above one "mouth", or inverted. The inverted condition was a control.