A quiet baby who does not make sounds or babble."
A child who does not respond to noise.
A child who has not said his first word by 15 months.
A child who is not social and shies away from making eye contact.
A vocabulary of less than 50 words by two years of age.
Inability to follow simple instructions by two years of age.
Bachelor Communication Pathology (UKZN); Master Early Childhood Intervention (UP)