What are the situations in which it is more than appropriate to contact a specialist? Here are some indicators divided by age group:
| Age | Behavior |
|---|---|
| 6 months | He doesn't laugh or shout; it does not look in the direction of new sounds |
| 9 months | No or limited babbling; does not manifest happiness or anger |
| 12 months | It does not indicate objects; he does not perform gestures such as shaking his head |
| 15 months | He hasn't said the first word yet; does not answer "no" or "hello" |
| 18 months | He doesn't use at least 6-10 words consistently; does not hear or discriminate sounds well |
| 20 months | He doesn't have an inventory of at least six consonants; it does not carry out simple instructions |
| 24 months | Has a vocabulary of less than 50 words; has no interest in social interactions |
| 36 months | Strangers struggle to understand what he says; does not use simple sentences |
Other situations to keep under observation:
- food selectivity (eat only 4-5 foods)
- stereotyped behaviors
- no interest in communication
- excessive saliva loss
- stuttering for more than six months.
Translated and adapted by: Lanza and Flahive (2009), LinguiSystems Guide to Communication Milestones
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