What is Sensory Integration?

A Parent’s Guide to Understanding Your Child’s Sensory World

 

Have you ever stopped to think about how you experience the world?

The comforting smell of your morning coffee, the joy of wrapping yourself in your favourite fuzzy blanket or recognising your child’s giggle across a busy playground—these are all examples of your sensory system in action. Our senses are constantly taking in information, helping us make sense of the world and guiding how we respond to it.

But what happens when this process doesn’t go as smoothly?

That’s where the concept of sensory integration comes in.

 

So, What is Sensory Integration?

Sensory integration is how our brain takes in, organises, and makes sense of all the sensory information we receive from both our environment and our body. It helps us respond appropriately to everyday situations — whether it’s focusing in class, navigating a busy playground, or staying calm in a noisy shopping centre.

Sensory integration is like your child’s brain being a busy city with lots of roads. All day long, their senses are like cars driving information to the brain. When sensory processing is working smoothly, the brain is like a well-organised traffic system: the information flows, the brain knows where everything needs to go, and your child can respond calmly and confidently.

But when sensory integration is difficult, it can feel like a traffic jam in their brain. Too many messages arrive at once, some signals move too fast, others get stuck, and some take the wrong road. This makes it hard for the brain to make sense of what’s happening, which can lead to big reactions, difficulty listening, clumsiness, needing to move, or becoming overwhelmed. This is often referred to as Sensory Processing Disorder (SPD).

The 8 Sensory Systems: More Than Just the Basic 5

Most of us are familiar with the five main senses:

Touch (Tactile): Feeling textures, pressure, temperature

Hearing (Auditory): Processing sounds and speech

Sight (Visual): Interpreting what we see

Smell (Olfactory): Detecting and responding to scents

Taste (Gustatory): Enjoying flavours

 

But did you know we actually have eight sensory systems? Here are the three often overlooked—but crucial—players:

Proprioception: This helps us know where our body is in space. For example, how do you manage to walk up the stairs without watching your feet? That’s proprioception at work.

Vestibular: This system helps with balance and movement. Think about how your child might love spinning or swinging—or avoid it completely. That’s the vestibular system responding.

Interoception: This is your internal body awareness—like knowing when you’re hungry, tired, or need to use the bathroom.

 

 

How Sensory Integration Affects Daily Life

For children, sensory integration plays a huge role in everyday tasks. Let’s look at some practical examples:

Getting Dressed: A child with tactile sensitivity might refuse to wear socks because the seams feel “scratchy” or overwhelming.

Playgrounds: Some kids crave fast movement and seek out swings or slides (vestibular input), while others might become anxious or dizzy with too much movement.

Eating: A child who is sensitive to taste or texture might gag or avoid certain foods altogether.

Focus at School: Difficulty filtering out background noise (auditory) can make it hard to concentrate in a busy classroom.

Emotions and Meltdowns: Trouble processing sensory input can lead to big feelings and outbursts. If your child can’t tell they’re getting overwhelmed, they may go from “fine” to “meltdown” without warning.

 

Our interconnections start forming before birth and begins to develop naturally during childhood through everyday activities, play and interacting with the environment.

Sensory integration is important for children as it allows them to navigate their surroundings, learn, play and develop in all aspects of life. When sensory integration is functioning well, children can then respond appropriately to the stimuli in the environment. You can imagine this would be important for environments like the classroom where children are having to stay alert and regulated with various tactile, auditory and visual input or when having to play at the playground with the various external stimuli.

However, for some children, sensory integration doesn’t develop as efficiently, leading to challenges in daily living, play and social interactions. When children have difficulties with sensory integration, it can often lead to behaviours that are misunderstood as they might have difficulties in social settings, learning as well as their emotional regulation.

Children who have sensory processing difficulties would either have difficulty with discriminating the sensory input they are receiving, meaning their brain has difficulty with differentiating various sensory stimuli or they would have difficulty with regulating and responding to appropriately to sensory input. This means they could become overwhelmed by sensory input or might not respond to sensory input.

Some examples of challenges children who experience difficulties with sensory integration could face is;

• over-reacting to loud noises or bright lights
• seeking movement leading to them struggling to stay focused
• avoiding certain textures and food.

How can Occupational Therapy help?

Fortunately, occupational therapists (OTs) play a vital role in helping individuals navigate these challenges and enhance their quality of life.

Occupational therapists are commonly spoken about, but their role isn’t always fully understood. Occupational therapists who specialise in sensory integration would play an integral role in your child’s life to best support their sensory processing challenges.

The first step would be a comprehensive assessment to identify the child’s strengths and where support is needed. The OT would then provide individualised intervention plans, based on the assessment results, ensuring a holistic approach in a fun, playful environment.

The intervention would include therapy sessions as well as providing a sensory diet suited to the child. A sensory diet consists of activities and experiences designed to help individuals regulate their sensory input throughout the day. OTs may recommend specific strategies, such as deep pressure activities, movement-based activities or environmental adaptations, to help clients manage their sensory needs. The OT would ensure it is a collaborative approach, working together with families, school and other health professionals.

The most important role for the OT, would be to support the child and the family in achieving their goals, ensuring the well-being of the child through a play-based approach working towards their learning, play and development.

 

Written by Lauren Dorney