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MILESTONES

Child Development Milestones

Here are the Key Milestones in Communication, Social, Cognitive, and Physical Development from 6 to 24 Months.

ABA Autism Child

6 Months Old

Communication & Social Development

  • Making eye contact

  • Responds to name

  • Familiar with people who spend most time with child

  • Various kinds of vocalizations

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Cognitive & Physical Development

  • Looking and attending to people and objects

  • Rolling over

  • Sitting up with little to no support

  • Standing

  • Passing objects from one hand to the other

12 Months Old

Communication & Social Development

  • Making eye contact

  • Responds to name

  • Familiar with people who spend most time with child

  • Various kinds of vocalizations

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Cognitive & Physical Development

  • Following simple, one-step directions. (Ex. “Come here.”)

  • Standing without any assistance

  • Taking first steps

  • Joint attention and interacting with objects with you

ABA Autism child alphabet
Autism Child writing

18 Months Old

Communication & Social Development

  • Pointing to objects of interest

  • Using and knows several words

  • Exhibiting social skills such as hugging and other displays of affection

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Cognitive & Physical Development

  • Walks independently

  • Uses pencil, crayon, or other writing utensils to scribble

  • Engages in pretend play

24 Months Old

Communication & Social Development

  • Begins to echo words or mimic actions of others

  • Can say 2-4 words sentences

  • Can name body parts

  • Plays with other children

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Cognitive & Physical Development

  • Follow 2-step directions

  • Display motor skills such as kicking a ball

  • Can draw a straight line

  • Fill in the blanks in simple sing-along songs

Autism Child smiling

Autism Applied Behavior Analysis and Early Learning

BehaviorSpan Autism Services Logo Graphic
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