Even at birth, your newborn displays some brilliant behavior: She not only can recognize your face by now, she actually likes it better than strangers' faces. Learn why this recognition matters.
Baby Week by Week
By week 17, Baby is able to discern items placed horizontally from those placed vertically, plus identify images with two things in them versus those with three. Learn more, plus what "habituation" and "dishabituation" have to do with these new skills.