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Development Timeline

Just look at how beneficial baby signing with TalkFirst can be. The timeline shows how your baby's development proceeds with age and highlights the time delay between baby's understanding of speech and production. There is a clear window of opportunity in which baby signing can be an effective form of communication.

Age of Baby Birth - 3
months
3 - 6
months
6 - 9
months
9 - 12
months
12 - 18
months
18+
months
Level of Understanding
  • Aware of noise.
  • Turns towards noise.
  • Watches speaker.
  • Can distinguish own language from other spoken languages.
  • Increased interest in sounds.
  • Understands rhythm of conversation.
  • Responds to own name.
  • Can understand commonly used signs e.g milk, more and sleep.
  • Understands 10-12 words.
  • Nouns understood in familiar context.
  • Simple instructions understood.
  • Nouns, adjectives etc understood.
  • Good understanding now developed.
Level of Speech
  • Gurgles and chuckles.
  • Primitive vowel sounds made.
  • Babbling begins 0 experimenting with sound, stringing sounds together.
  • Babbling more repetitive.
  • Shouts and points to attract attention.
  • Pitch and tone experimented with.
  • Simple speech understood.
  • First word spoken (on average) at 12 months.
  • Vocabulary increases by 1-3 words a month.
  • Sentences and tenses develop.
  • Vocabulary grows Avg 30 words at 18 months.
Level of Co-ordination & Sign Production
  • Control of arm and leg movement.
  • Reflex action of grabbing objects placed in palm.
  • Grasp improves so a range of objects can be held.
  • Both hands involved.
  • Co-ordination improves, finger control seen.
  • First sign produced (on average) at 9 months.
  • Shakes head for “no”
  • Can let go, throw and place objects.
  • Can produce commonly used signs in the correct context eg. more for more food or for another push on the swing.
  • Dexterity improves - two objects can be held in on hand
  • Good level of co-ordination and dexterity.
  • Preference for one hand seen.
  • Avg 300 signs at 18 months.