Health & Day Care

Health & Daily Care

From mealtimes to vaccines and everything in between, this information will help you establish routines for the day to day needs of your child.

My Community


Special considerations when buying toys for children with special needs.

Establishing Services

Establishing Services

Don't know where to start? Overwhelmed by all the acronyms? Learn how to navigate the system of care and tips on preparing for IEPs.

Meet Our Experts

Meet Our Experts

Our panel of experts combine medical and therapeutic perspectives with years of experience working passionately alongside famiiles and children with special needs.

Tools & Resources

Tools & Resources

A library of resources, reference links and easy to print guidelines for you to post on the fridge and share with others!

Love, Laugh & Live


This section is devoted to our amazing moms. It's ok, in fact we encourage you to laugh and develop goals for YOURSELF! Share your secrets of sanity and be encouraged to take time for you!

Developmental Milestones: Intellectual and Behavioral
Print This Page

Intellectual development includes thinking, problem solving, understanding concepts, processing information, and overall intelligence. As a child develops cognitively, she is able to navigate her surroundings and the world.

Behavioral development is reflected by children’s actions in or responses to their environment. These responses may be voluntary or involuntary, conscious or unconscious. Play and interactions with other people and objects within the environment are important in cognitive and behavioral development.

What follows are typical milestones for cognitive and behavioral development in young children, as well as warning signs of possible delays. There is a wide range of typical development. However, follow up with a pediatrician if your child shows signs of delays.

Birth to Three Months

  • Prefers looking at faces
  • Begins to imitate facial gestures
  • Shows anticipation of event that occur regularly in everyday care
  • Begins to relate what he sees with what he touches
Three to Six Months
  • Reaches and attempts to get objects out of reach
  • Retrieves an object that is partially hidden under a cover
  • Pulls a cloth from a caregiver’s face and from own face
  • Plays alone with toys, progressing with shaking, rattling, and banging objects
Six to Twelve Months
By 9 months:
  • Develops object permanence
  • Searches for hidden objects
  • Responds to simple commands; knows own name and understands “no”
  • Imitates gestures and actions
  • Looks at the correct picture when it is named
  • Begins to use objects appropriately, such as drinking from a cup, holding up a phone receiver to the ear, or brushing hair
  • Explores toys with a variety of skills, such as throwing, dropping, banging, and shaking objects
By 12 months:
  • Likes simple games, such as Peek-a-boo
  • Experiences separation and stranger anxiety; clings to parents and begins to fear strangers
Twelve to Eighteen Months
By 15 months:
  • Learns mainly through trial and error
  • Begins to notice other children
  • Enjoys playing with adults and begins to play and talk alone
  • Likes picture books and will pay attention to a picture book for at least five minutes
  • Begins to recognize parts of the body when asked
Eighteen to Twenty-four Months
By 21 months:
  • Finds a hidden object under two to three covers
  • Recognizes body parts, familiar people, and objects such as clothing
  • Has increased attention span
  • Develops increasing independence
By 24 months:
  • Puts together simple two- to four-piece puzzles
  • Places correct shape in shape sorter
  • Begins matching and sorting objects and colors
  • Shows defiant behavior
  • Has increasing separation anxiety at age two, which then fades
  • Imitates behaviors of other adults and older children
  Two to Three Years
  • Understands how mechanical toys work
  • Sorts objects by size
  • Sorts objects by primary colors and shape
  • Starts to use more reasoning skills as well as trial and error
  • Engages in pretend play with dolls or toys
  • Matches objects to pictures
  • Understands the concept of two
  • Uses imaginative play with people, dolls, etc.
Three to Five Years
  • Sorts items into categories
  • Completes simple interlocking puzzles
  • Begins to understand the concept of time
  • Questions parents
  • Becomes more elaborate with imaginary play
  • Increases aggressive behavior
Signs of Possible Developmental Delays: Intellectual and Behavioral
Helpful article if you suspect your child may have developmental delays.  

Links & Resources »

References »
Recent Activity
This site is brought
to you by Gatepath
with support from:
Powered by Blackbaud
nonprofit software