Occupational Therapy for Infants and Toddlers: Milestones, Reflexes and Play

How OT helps babies and toddlers: early reflexes, milestones, red flags, NICU and feeding support, sensory play, tummy time and the best toys by age.

Baby doing supervised tummy time with a parent

Infants and toddlers

  • Infant: a very young child or baby. We call them an infant, baby or newborn. A child between birth and 12 months of age is an infant.
  • Toddler: a young child between about 13 months and 36 months (up to 3 years). The toddler years are a time of great cognitive, motor, emotional and social development.

Occupational therapy for infants and toddlers

Infants grow very fast and develop basic life-saving skills in this vulnerable phase of life, while depending completely on their parents.

Early reflexes and why they matter

Infants show basic reflexes that are essential for them, such as sucking, rooting and the Moro reflex. These reflexes help infants feed, grow and stay safe. Each reflex has its own importance and is part of normal development. As the brain matures, these early reflexes “integrate”, or fade, and voluntary movement takes over.

Reflex What it looks likeUsually fades by
Rooting Turns towards a touch on the cheek, mouth open, ready to feedAbout 4 months
Sucking Sucks automatically when something touches the roof of the mouthBecomes voluntary by about 4 months
Moro (startle) Throws arms out, then brings them in, at a sudden noise or dropAbout 4–6 months
Palmar grasp Fingers close tightly around a finger placed in the palmAbout 4–6 months
Asymmetrical tonic neck reflex (ATNR) 'Fencing' pose: when the head turns, the arm on that side straightensAbout 4–6 months
Plantar grasp Toes curl when the sole of the foot is touchedAbout 9–12 months

Ages are approximate. A reflex that persists well beyond these ages, is very strong, or is missing should be checked by a doctor or therapist.

If the reflexes don’t integrate with age, or an infant is developmentally delayed and not reaching typical milestones, they may need expert help to intervene early. Conditions associated with developmental delay in babies and toddlers include Down syndrome, cerebral palsy, autism, ADHD and more.

Milestones from birth to 2 years

Movement and hand milestones most babies reach by each age
  1. 2 months
    • Holds head up when on tummy
    • Moves both arms and both legs
    • Opens hands briefly
  2. 4 months
    • Holds head steady when held
    • Holds a toy put in their hand
    • Brings hands to mouth
    • Pushes up onto elbows on tummy
  3. 6 months
    • Rolls from tummy to back
    • Reaches to grab a toy
    • Leans on hands to support themselves when sitting
  4. 9 months
    • Sits without support
    • Moves things from one hand to the other
    • Rakes food towards themselves with fingers
  5. 1 year
    • Pulls up to stand
    • Walks holding on to furniture
    • Picks up small things with thumb and pointer finger
  6. 15 months
    • Takes a few steps on their own
    • Stacks two small objects
  7. 18 months
    • Walks alone
    • Scribbles
    • Tries to use a spoon
  8. 2 years
    • Kicks a ball and runs
    • Eats with a spoon

Source: CDC, Learn the Signs. Act Early. (2022). For full checklists see our gross motor and fine motor guides.

The role of occupational therapy for infants

A pediatric occupational therapist provides early intervention for infants. In infants, developmental delays can be missed at first. But babies born prematurely, with low birth weight, with a physical impairment or with a chromosomal or genetic condition may need intervention as early as possible. Occupational therapy for infants and toddlers includes assessment and intervention for these babies.

Occupational therapy assessment in infants

Premature babies often have weak early reflexes, most importantly the rooting and sucking reflexes needed for feeding. Developmental delays in infants and toddlers can affect:

To assess these skills, the occupational therapist takes a developmental history and interviews the parents. The therapist may also use tests such as:

  • Denver Developmental Screening Test II
  • Bayley Scales of Infant and Toddler Development
  • Toddler and Infant Motor Evaluation (TIME)
  • Infant/Toddler Sensory Profile

Motor delays may affect gross motor skills such as standing and walking, or fine motor skills such as grasping a toy. Social and emotional delays may be early signs in children who are later diagnosed with autism or ADHD.

Occupational therapy intervention for infants and toddlers

After assessing the areas of difficulty, the OT sets goals and objectives depending on the areas of delay. Intervention goals usually include improving motor skills, social skills and cognitive and perceptual skills.

Occupational therapy in the NICU

Occupational therapists may work in the neonatal intensive care unit (NICU) with newborns (birth to 28 days, called neonates) who have sensory or motor difficulties. The OT provides oral-motor stimulation to premature babies to improve their rooting and sucking responses, by gently stimulating different parts of the face and mouth. NICU OTs also help with positioning, handling, calming and preparing parents for feeding at home.

Reflex integration through NDT

The normal sequence of sensorimotor integration

3 years ↑

  1. Motor planning of fine movements2–3 years

  2. Integration of the two sides of the body, body-part awareness and motor planning of gross movements1–2 years

  3. Maturation of righting and equilibrium reactions9–12 months

  4. Integration of primitive postural reflexes3–9 months

  5. Integration of the tactile subsystem0–3 months

Birth

An occupational therapist helps integrate these reflexes and reactions when they haven't developed on time in a child with developmental delay.

Sensory integration

The occupational therapist follows the principles of sensory integration for sensory difficulties, adapted to the baby’s age:

  1. Sensory modulation for tactile defensiveness, over- or under-responsiveness and sensory seeking. The OT gives deep, firm touch where the baby can see where it comes from, which is usually easier to tolerate than light touch, and begins with slow linear movement and deep pressure.
  2. Tactile discrimination. The OT provides graded activities that use different textures and items.
  3. Proprioceptive and vestibular input. The OT provides slow linear movement and push or pull activities, always watching the baby’s cues.

Tummy time

Tummy time builds the neck, shoulder, arm and core strength that rolling, crawling, sitting and later hand skills depend on. The rule is simple: back to sleep, tummy to play.

  • Start in the first days with short sessions of a few minutes, several times a day, while your baby is awake and watched.
  • Lie your baby on your chest, across your lap or on a firm mat. Get down at eye level and talk or sing.
  • Add a rolled towel under the chest, a mirror or a high-contrast book if your baby protests.
  • Build up the time gradually as your baby gets stronger.

Play

The occupational therapist uses play as the main medium of intervention with infants and toddlers, matched to the baby’s developmental level. Play builds cause-and-effect learning (“when I shake it, it makes a sound”). With parents’ help, the therapist promotes play with siblings and peers, giving cues or support so the child completes the activity. Play helps a child learn new skills and master old ones.

Occupational therapy toys for infants and toddlers

The occupational therapist sees play as the primary occupation of an infant or toddler, and recommends toys that teach new skills. Many parents ask which toys to buy for their baby. The therapist suggests toys and games for the child’s developmental level.

Toys for infants (up to 1 year)
Toy Skill it builds
Hand-held toys that make a sound or light up (large enough to be safe) Reaching, grasping and attention
Music box or wind chimes Turning towards sound and head control; babies love gentle music and follow the sound
Textured sensory toys Touch exploration
Bright rattles Grasp, shaking and cause and effect
Soft toys Comfort, affection and a sense of belonging
Teething rings Mouth exploration and oral-motor skills
Stacking blocks and cups Perception, grasp and release
Ring stackers Colour identification and size discrimination
Soft balls Rolling, pushing and early catching and throwing
Shape sorters Shape and size discrimination
Toys for toddlers
Toy Skill it builds
Building blocks and large bricks Constructive play and two-handed coordination
Push-pull toys and sturdy push walkers Proprioceptive input and walking practice
Ride-on toys (pushed with the feet) Leg strength, balance and coordination
Climbing gym Gross motor skills
Chunky crayons and paper Scribbling and pre-writing skills
Puzzles Perception and problem solving
Manipulative toys such as pop-ups and busy boards Creativity, finger control and cause and effect

Summary

Occupational therapy promotes play and functional skills in babies and toddlers with developmental delays. The occupational therapist may use approaches such as NDT, sensory integration and play to improve motor skills, perceptual skills and daily living skills, always working with the family. Read more: occupational therapy for children.

Related guides: Primitive reflexes, W-sitting, Toe walking, Vestibular activities for babies, Oral motor activities for toddlers.

References

  • Centers for Disease Control and Prevention. CDC’s developmental milestones.
  • American Academy of Pediatrics. Injuries associated with infant walkers. Pediatrics. 2001;108(3):790–792.
  • Case-Smith J, O’Brien JC. Occupational Therapy for Children and Adolescents. Elsevier.
  • Kramer P, Hinojosa J. Frames of Reference for Pediatric Occupational Therapy. Lippincott Williams & Wilkins.

Frequently asked questions

Can babies have occupational therapy?
Yes. Occupational therapists work with newborns in the NICU and with babies and toddlers at home or in clinics, especially after premature birth or when there are feeding difficulties, delays in movement, or conditions such as Down syndrome or cerebral palsy.
What does an occupational therapist do for a baby?
An OT helps with feeding (sucking, swallowing, starting solids), positioning and handling, tummy time, reaching and grasping, calming and sleep routines, and play that builds motor and thinking skills. They coach parents to make these part of daily life.
What are signs my baby might need occupational therapy?
Signs include difficulty feeding or poor weight gain, very floppy or very stiff muscles, strongly preferring one side, not bringing hands to the mouth or holding a toy by 4 months, not sitting by 9 months, extreme fussiness or difficulty calming, and few gestures by 12 months.
How much tummy time does my baby need?
Start from the first days with a few short sessions of a few minutes, several times a day, while your baby is awake and you are watching. Gradually build up as your baby gets stronger. Always put your baby to sleep on their back.
What are the best toys for babies' development?
Simple toys are best: high-contrast pictures and rattles for young babies, textured soft toys, stacking cups, shape sorters and balls for older babies, and blocks, push toys, puzzles and crayons for toddlers. Make sure every toy is too large to be a choking hazard.
Are baby walkers good for development?
No. The American Academy of Pediatrics advises against sit-in baby walkers because they cause many injuries and don't help babies learn to walk. Sturdy push toys and floor play are safer choices.

Written by

Payal Mehta is a practising occupational therapist and co-founder of Occupational Therapy OT. She writes on pediatrics, sensory integration, and mental-health practice.

All articles by Payal →

This article is for general education and is not a substitute for individualized assessment or treatment by a licensed occupational therapist. Always seek the guidance of a qualified professional for specific concerns.

Keep reading