She doesn't need to take deep whiffs. Talk to your baby about what you smell during the day. He or she can smell it, too. Go outside together and enjoy the fresh aroma of a just- cut lawn. Babies despise bad smells and become active and startled when introduced to noxious odors.
Visual pathways develop in third trimester of pregnancy.
If your baby was very early, and especially if he had a brain hemorrhage, he might have some visual difficulties. To aid scanning skills, swing a flashlight in a darkened room for your baby. Swing slowly at first, then a little faster in different patterns such as lines or circles. Move brightly colored objects slowly across your baby' line of vision. Change the mobiles' positions and the items suspended from it every week or two.