Smarter Babies and Baby Geniuses - Five Tips To Help You Catch Up 1. Provide stimulation and opportunity on purpose not by accident Smarter babies and baby geniuses. A birth a newborn baby is functionally blind, deaf, and insensate. These sensory pathways grow and develop based upon stimulation. The sensory pathways grow when appropriate visual, auditory, and tactile stimulation is given with the proper frequency, intensity, and duration. As an example, the newborn baby usually has a less than perfect light reflex.