Babies are often more interested in the cardboard box a toy comes in than the toy itself. However, even with a simple cardboard box, they can still get the mental stimulation they need.

"Every step a baby takes is different," says Justine Hoch ... His research has shown that intermittent electrical stimulation of the nucleus basalis of Meynert, whose neurones are a source ...

Too much stimulation, such as bright lights ... Be sure to hold each baby during bottle-feeding. Sanitizing measures and handwashing are essential before and after feeding, diapering and toileting.