Very important to work on speech development, and see about working with a speech pathologist if infant is having trouble. Pre-NLD infants may find solace in play techniques that foster fine motor skill development, which causes less anxiety than the whole-body movements of gross motor tasks. It’s probably a good idea to use consistent discipline and explain cause-effect issues. Realize pre-NLD child will take much of what he/she hears literally, so find ways to explain that match words with the concepts you want the child to learn. Pre-NLD kid may have trouble with hand games. Know that cold/flu illnesses will be very disorienting, and explain through these things verbally. Convey a strong sense of stability and acceptance for your child as he/she is.