Speech and Language

Current author - Dr Louise Ingram

Previous author - Hannah Murray

Previous author - Hannah Murray
Last updated: 12th July 2018 •
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Speech and Language
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Child development is the process by which the dependent infant matures into the independent adult, functioning within society. It is a complex interweaving of biology, psychology and environment where each skill builds on the ones that have come before and provides a foundation for those skills yet to develop.

Development in humans follows a predictable pattern and a rough schedule but no individual develops in exactly the same manner as any other. It follows an orderly pattern (unlike almost everything else regarding children); from top to bottom, central to outer and simple to complex. What is important, when considering normal development, is progress and parity; that children are moving forward in the different areas of development at roughly the same rate.

Disparity in progress between areas of the body (e.g. the right side and the left or the lower limbs and the upper limbs) or between domains of development (see below) is concerning, as is regression (i.e. loss of previously attained skills).

This article will outline the typical stages of development that children go through. The features typically seen at each age are described below.

Speech and language

We often talk about speech and language interchangeably, but they are two distinct concepts. Speech is the actual sounds of spoken language, produced by the co-ordinated action of the muscles of the tongue, lips, jaw and vocal tract. Language is the systems of words and symbols that we use to communicate with each other and encompasses written, verbal and non-verbal (gestures and body language) communication. Speech and language development relies on intact hearing, good muscle control and exposure to language, through interaction with other people.

Age Feature
Newborn Cries

Illustration of a turquoise cartoon figure with an open mouth, blue droplets above it, and the word “Waaaaa!” on a dark green background.

6-8 weeks Coos
3 months Laughs and vocalises

Illustration of a seated blue figure with three speech bubbles reading “Ha,” “Ha,” and “Ha!”

6 months Understands words such as mama, dada or bye-bye

Babbles spontaneously, initially monosyllables

Uses a tuneful, singsong voice

Illustration of a kneeling blue figure with an outstretched arm, surrounded by musical notes and the words “Baba” and “Gaga.”

9 months Imitates adult sounds, such as coughs

Understands simple commands

Understands “no”

Illustration of a turquoise crawling figure reaching toward a doghouse labeled “DOG,” with the word “No!” above.

12 months Knows and responds to own name

Uses 2-6 words and understands many more

Illustration of a person standing up from a chair, with the text “Stand up Caleb.”

18 months Uses 6-40 recognisable words

Can point to parts of the body when asked

Tries to sing

A turquoise stick figure gestures toward the text “Where is your head?” on a dark green background.

24 months (2 years) Speaks over 200 words, understands many more

Joins words together

Omits opening or closing consonants

Cartoon of a large blue figure labeled “Daddy” reaching toward a small blue teddy bear holding a gray key.

30 months Continually asks questions
36 months (3 years) Can name 2 or 3 colours

Knows and repeats songs and nursery rhymes

Counts by rote up to 10

Has simple conversations

A turquoise human figure points toward a red-outlined circle containing blue scribbles and a short green line; the words “Red,” “Blue,” and “Green” appear above.

48 months (4 years) Talks fluently

Counts by rote up to 20

Enjoys jokes

Illustration of a large blue human figure beside a pile of blue teddy bears, with the text “…18, 19, 20!” above.

60 months (5 years) Fluent in speech and mostly grammatically correct

Interested in reading and writing

Illustration of a turquoise person holding a sign reading “The very hungry butterfly,” with the same phrase displayed above.

References

(1) Kapoor, Barnes, “Developmental Assessment”, Paediatrics, Edition 4, 2013
(2) Lissauer, W. Carroll, “Normal Child Development, Hearing and Vision”, Illustrated Textbook of Paediatrics, Edition 5, 2017
(3) Sheridan, M. D., From birth to five years; children’s developmental progress, 3rd edition revised and updated by A. Sharma and H. Cockerill, Routledge 2007
(4) understood.org
(5) thecommunicationtrust.org.uk
(6) Meggitt, C., Child development, an illustrated guide, 2nd edition, Heinemann 2006
(7) kidsmatter.edu.au

 

 

Authors:

1st draft: Trainee doctor Hannah Murray

Senior review: Dr Louise Ingram (Paediatric specialist registrar)

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