Some language experts and researchers say that sign language is perfect to teach babies because the nerve passages for language are the same for motor coordination. Think of all the finger plays and songs that are sung to babies. Learning sign language occurs in a different part of the brain than speech. Teaching signs to preverbal children has been purported to result in 2-year olds having 50 more vocabulary words than their non-signing peers. Some experts believe that early communication and stronger bonding with babies will results in better communication later in life. It has been observed that parents who sign with their babies spend more time with them. This stimulates vocabulary and language development. A study from the University-Davis indicates that children whose parents signed to them from a very early age have IQ scores up to 12 points higher than their non-signing peers.

Sign language is also used as a verbal, kinesthetic and auditory method of presenting language and vocabulary to Down syndrome, mentally handicapped and to some autistic children. Therapists and parents use sign language as a bridge to oral communication. Studies as far back as 1999 have shown the positive aspects of teaching sign language to these children. The more people in the child's center of influence who sign, the better chances that the requisite hundreds of inputs occur. It is also reported that children of deaf or hard of hearing parents can be signing at 8 months, four months before hearing children are talking. Hand movements are natural for young children and the brain is ready to learn them before the oral mechanism is mature enough for speech according to experts. Sign language is a way for children to express their feelings, needs and wants clearly. The Internet is a good source of books and DVDs to use in teaching sign language to babies of all kinds.