By Talin Yacoubian, OTD, OTR/L, CAS | Reviewed for Clinical Accuracy on June 21, 2026
KEY TAKEAWAYS
- Children have 8 senses, not 5. The three hidden senses vestibular, proprioception, and interoception shape behavior, focus, and emotional regulation more than most parents realize.
- Sensory challenges look different in every child. Some seek intense input; others are easily overwhelmed. Both patterns are rooted in how the nervous system processes information not in behavior or willfulness.
- Interoception is the sense most tied to emotional regulation. When children struggle to read their own internal signals hunger, fatigue, anxiety meltdowns and dysregulation often follow. This is especially common in autistic children and those with ADHD.
- Small home adaptations make a real difference. Tagless clothing, fragrance-free products, a quiet corner at school, and structured sensory play are practical starting points that families can implement today.
- Early support works better. A pediatric OT evaluation before kindergarten gives children the best opportunity to build a regulated sensory system using the brain’s natural neuroplasticity.
I still remember the session that shifted how I explain all of this to parents. A mom came in convinced her son’s meltdowns were behavioral. Within ten minutes in our sensory gym, it was clear his vestibular system was significantly under-responsive. He was crashing into things and seeking constant movement because his body wasn’t registering where it was in space. Once she understood that, everything changed. That’s what knowing all eight senses does for a family.
Have you ever wondered how your child experiences the world around them? It might surprise you to learn that children perceive the world through more than just the five senses they learn about in school: sight, sound, taste, touch, and smell. Three additional senses play a critical role in their growth and how they interact with their environment. In this guide, we’ll walk through all eight, their roles, and their impact on children’s sensory processing.
Early Signs of Sensory Processing Challenges in Babies and Toddlers
Early signs of sensory processing challenges can start appearing in infancy. Parents may notice that their baby seems unusually fussy with certain fabrics, reacts intensely to loud noises, or dislikes being touched. Identifying these behaviors early can help parents support their child’s sensory needs as they grow.
If these patterns sound familiar, you may also want to read about the early signs your child may need occupational therapy, a natural next step from understanding the sensory systems involved.
The 8 Senses: 5 You Know and 3 You Probably Don’t
Think of the 8 senses in two groups. The first five sight, hearing, touch, taste, and smell are the external senses. They tell your child about the world outside their body. The last three vestibular, proprioception, and interoception are the hidden internal senses. They tell your child about what’s happening inside and around their own body.
It’s this second group I work with most intensively in our sensory gym.
1. Sight (Vision): How Children Process Visual Information
Vision is the sense that allows children to perceive color, shape, depth, movement, and spatial relationships and it goes well beyond simply seeing clearly.
Vision is the way children perceive and interpret their environment through their eyes. It also involves visual perception recognizing colors, shapes, depth, and tracking movement. This ability forms the foundation for everything from recognizing faces to learning to read.
For children with sensory processing difficulties, visual information can sometimes feel overwhelming. Bright lights, rapidly changing scenes, or too many visual details can lead to sensory overload. We worked with a young client named Jack who found crowded classrooms too visually chaotic. To help, we created a calmer space at home with fewer distractions and a sensory-friendly environment that allowed him to focus much more comfortably.
2. Hearing (Auditory): Processing Sound Beyond Volume
Auditory processing is the sense that allows children to receive, filter, and interpret sound including speech, tone, and background noise, not just detect that a sound exists.
Hearing goes beyond simply detecting sound. It includes the ability to understand speech, differentiate background noise from important sounds, and respond appropriately. For children, this can mean distinguishing a teacher’s instructions amid a bustling classroom, or picking up on a parent’s tone to read the emotional temperature of a room.
Some children experience auditory hypersensitivity. The sudden honking of a car horn, a loud appliance, or even certain tones can be genuinely startling. Some children become visibly distressed at the sound of a blender. Noise-canceling headphones during loud activities, combined with a predictable daily routine, can provide real relief and make their environments more manageable.
3. Touch (Tactile): The First Sense Babies Use to Explore
The tactile sense is the body’s system for detecting pressure, texture, temperature, and pain through receptors in the skin and the first sense babies actively use to understand the world.
The sense of touch is one of the first ways infants explore the world. This tactile sense provides essential feedback about temperature, texture, and pressure. Whether a child is holding a stuffed animal, feeling the warmth of a parent’s embrace, or stepping barefoot on grass, touch helps them make sense of their surroundings.
For some children, certain textures may be too intense or even painful. This is known as tactile defensiveness — an over-sensitivity to touch input that triggers discomfort or distress. Tags on clothing, certain fabrics, or sticky substances can all be triggers. We helped a young client named Ava who detested the tags in her clothes. Removing those tags and letting her wear softer fabrics made a world of difference. Managing touch sensitivities often requires small adjustments: tagless clothing, soft bedding, textures introduced gradually and without pressure.
4. Taste (Gustatory): Why Picky Eating Is Often a Sensory Issue
The gustatory sense is the system that detects flavor, texture, and temperature in the mouth and one of the most common sensory drivers behind picky eating in children.
Taste is a deeply personal sense. For children, it can be a source of joy or significant discomfort. Many parents experience the frustration of a picky eater, and sensory processing is often at the heart of it. Some children are extremely sensitive to certain flavors or textures and will accept only a narrow range of foods.
Introducing new tastes gradually, offering different textures, and allowing your child to explore food without pressure letting them touch, smell, and examine it before eating can help broaden their gustatory experiences.
These small steps can lead to meaningful progress, especially for children with pediatric feeding therapy needs. One of our clients, Ben, struggled with certain food textures. Gradual exposure dipping a finger into a new puree, smelling a dish before tasting made mealtimes less stressful and more enjoyable for his whole family.
5. Smell (Olfactory): The Sense Most Tied to Emotion and Memory
The olfactory sense detects and interprets scent through receptors in the nose and is the sense most directly connected to emotional memory in the brain.
Smell and taste are closely linked. The olfactory sense can trigger memories, emotions, and appetite in a way that other senses often can’t. For some children, certain smells are comforting. For others, they are overwhelming. The scent of a particular food, cleaning product, or perfume can produce strong physical reactions this is known as olfactory sensitivity.
One parent we worked with shared how her child, Sophie, became visibly upset by the smell of certain cleaning products. This olfactory sensitivity triggered emotional responses that made daily routines genuinely challenging. Switching to fragrance-free alternatives made a dramatic difference, a small change that created a noticeably calmer home.
THE THREE HIDDEN SENSES
The next three senses don’t get taught in school, but they’re the ones I address most often in clinical practice. Developed through the foundational work of Dr. A. Jean Ayres and Ayres Sensory Integration (ASI) the evidence-based OT framework she originated at USC these internal senses form the base of a child’s ability to regulate, move, learn, and connect with others.
6. The Vestibular Sense: Balance, Movement, and Why Some Kids Can’t Sit Still
The vestibular sense, located in the inner ear, tells the brain about movement, gravity, speed, and spatial orientation essentially answering the question “where is my body in space right now?”
The vestibular sense involves balance and spatial orientation, allowing children to understand where their bodies are in relation to gravity. Swinging, spinning, or walking in a straight line all depend on a well-developed vestibular system. When this sense is working well, children move through the world with ease and confidence.
Children who struggle with their vestibular sense might have trouble sitting still, maintaining balance, or they might seek excessive movement — constant jumping, spinning, or climbing. We’ve worked with kids like Oliver who seemed like they were always “on the go.” Activities that gently challenge balance — rocking on a balance board, walking along a taped line, swinging at a measured pace — help these children become more aware and in control of their movements.
Regular vestibular input, built into the daily routine, is one of the most effective tools we use to help movement-seeking children settle enough to focus.
7. Proprioception (Body Position Awareness): The Hidden Sense Behind Clumsiness
Proprioception is the internal sense that receives signals from muscles, joints, and tendons to tell the brain where the body’s limbs are and how much force is being used — without needing to look.
In our sensory gym, vestibular and proprioceptive work almost always happen together. A child seeking constant spinning is often the same child who doesn’t quite know their own strength during play.
Proprioception tells a child where their limbs are without having to look. It’s why they can climb stairs without watching their feet or clap their hands with their eyes closed. When this system is dysregulated, children may be clumsy bumping into things, misjudging distances or they may play too rough without realizing it.
A young boy we worked with loved pushing heavy objects around the room. His body was seeking proprioceptive input; it wasn’t adequately registering. We encouraged activities like carrying weighted items and kneading dough to give him the feedback he needed. Crawling through tunnels, playing tug-of-war, practicing yoga poses these build proprioceptive skills in ways that feel like play rather than therapy.
8. Interoception: The 8th Sense That Controls Hunger, Emotion, and Self-Regulation
Interoception is the sense that receives signals from internal organs and tissues telling the brain about hunger, thirst, pain, heart rate, temperature, bladder fullness, and the physical sensations that underlie emotions.
Interoception involves awareness of internal sensations hunger, thirst, needing to use the bathroom, fatigue, changes in temperature. This sense is vital because it helps children recognize internal cues and meet their physical needs before those needs become overwhelming.
Many children find these signals difficult to read. They may not notice when they are thirsty or when they need a break. That gap leads to discomfort, then dysregulation, then what looks like a behavior problem. We worked with a young girl named Mia who frequently became irritable because she couldn’t recognize when she was thirsty or tired. Using mindfulness exercises and body scanning techniques, Mia gradually learned to tune into what her body was telling her.
Interoceptive differences are especially common in autistic children and those with ADHD. A 2019 study in the Journal of Autism and Developmental Disorders found that interoceptive accuracy was significantly diminished in children with ASD compared to neurotypical peers, with a moderate-to-large effect size. As a Certified Autism Specialist (CAS), interoception is one of the first systems I assess when a child is struggling with emotional regulation or unexpected meltdowns. What looks like a behavior problem is often a sensory one.
Supporting a child’s interoception can involve several practical strategies:
- Mindfulness Practices: Deep breathing or body scanning helps children notice physical sensations before they escalate.
- Regular Check-Ins: Encourage children to pause and ask themselves, “How does my stomach feel?” or “Do I feel thirsty?” building the habit of listening inward.
- Visual Reminders: Small, consistent prompts to drink water, use the bathroom, or take a break build interoceptive awareness over time.
By supporting interoception, children become more aware of their internal experiences. Better self-regulation follows. So does a greater sense of comfort throughout the day.
Not sure which of your child’s senses are involved? A free consultation is the fastest way to find out. Schedule here
Sensory Seekers and Sensory Avoiders: Understanding How Children Respond Differently
Every child’s sensory system has a threshold, the point at which input registers as “enough.” When that threshold is set too high, a child doesn’t get enough input and seeks more. When it’s set too low, everyday input feels overwhelming and the child avoids it.
These two patterns sensory seeking and sensory avoiding can appear in any of the 8 senses and often show up in combinations. This framework comes from Ayres Sensory Integration (ASI), the evidence-based OT approach that remains the foundation of pediatric sensory treatment.
| Sensory Seeker (Under-Responsive) | Sensory Avoider (Over-Responsive) | |
| Tactile | Touches everything, mouths objects, seeks messy play | Dislikes tags, textures, or unexpected touch |
| Auditory | Talks loudly, loves noise, doesn’t notice the TV is too loud | Covers ears, distressed by blenders, fire drills, or crowds |
| Vestibular | Spins constantly, jumps off furniture, always “on the go” | Avoids swings, slides, or sudden movement changes |
| Proprioceptive | Bumps into people, plays too rough, loves tight hugs | Resists physical games, dislikes firm touch |
| Interoception | Doesn’t notice hunger, thirst, or needing the bathroom | Overwhelmed by internal sensations; high anxiety around bodily feelings |
“Uplift Therapy has been amazing with our 3-year-old. They are knowledgeable, patient, and always provide clear explanations. With their help, our son has made great progress in his social skills and sensory needs.” — Uplift Therapy Center parent
If you recognize your child in more than one column of this table, a sensory evaluation can clarify which systems are involved and what targeted support looks like. Schedule a free consultation with the Uplift team
Some children have sensory processing challenges that affect how they interpret and respond to sensory information across multiple systems. If your child seems easily overwhelmed, dislikes certain textures, or constantly seeks movement, they may benefit from focused sensory support. Consistent routines, sensory play activities, and working with a pediatric occupational therapist can help them learn to regulate not just cope, but build a more settled nervous system over time.
Read about 10 Fun Sensory Play Activities you can do at home with your child.
Creating a Sensory-Friendly Home: Room-by-Room Adaptations
Creating a sensory-friendly home doesn’t require a renovation — it requires understanding which systems your child’s body is struggling with, then making targeted adjustments.
Consider these adaptations organized by sensory system:
- Visual: Blackout curtains to reduce light sensitivity; minimal clutter in study and play areas; warm-toned lamps instead of fluorescent lighting.
- Auditory: A quiet corner with soft cushions and noise-canceling headphones for overwhelming moments; a white noise machine in the bedroom for sleep regulation.
- Tactile: Fragrance-free detergents and cleaning products; tagless, seamless clothing options; weighted blankets for proprioceptive calming at bedtime.
- Vestibular/Proprioceptive: An outdoor swing or indoor balance board; a rocking chair as an alternative to a standard desk chair for children who need movement to focus.
What Parents Can Do: Practical Sensory Strategies at Home and School
The work we do in the sensory gym is only part of the picture. The strategies that stick are the ones woven into daily routines at home and school. These are the ones worth starting with:
- Create a Sensory-Friendly Environment: Understanding your child’s specific sensitivities is the foundation. Quiet spaces with soothing colors and minimal clutter can ease sensory overload in ways that feel immediate.
- Use Sensory Play to Build Comfort: Kinetic sand, water beads, and slime let children explore textures in a safe, controlled setting. Gradual exposure — not pressure — is what builds comfort over time.
- Notice Your Child’s Sensory Preferences: Pay attention to what your child gravitates toward and what they avoid. Do they love swinging? Do they leave every noisy birthday party depleted? Those patterns are information. Use them.
- Consider an OT Evaluation: If sensory challenges are affecting daily life at home or school, a pediatric occupational therapist can assess which systems are involved and build a targeted plan. Find out what your child’s first OT evaluation actually involves
Frequently Asked Questions About the 8 Senses and Sensory Processing
1. What are the 8 senses, and why do children have more than 5?
Most of us learned about five senses in school: sight, hearing, touch, taste, and smell. These five tell us about the world outside our bodies. The additional three vestibular (balance and movement), proprioception (body position), and interoception (internal body signals) tell us about what is happening inside and around our own body. Occupational therapists trained in Ayres Sensory Integration work across all eight systems when supporting children with sensory processing challenges.
2. How do I create a sensory-friendly space for my child at school?
Work with your child’s teacher to designate a quiet corner with calming items, noise-canceling headphones, soft cushions, or fidget tools. This space serves as a retreat when your child feels overwhelmed, helping them self-regulate and return to learning more focused and ready.
3. What are effective sensory activities for children with sensory processing disorder?
Playdough for tactile stimulation, swinging for vestibular input, and weighted blankets for proprioceptive feedback are all well-supported starting points. These activities help children regulate their sensory input in a structured way, improving comfort and focus over time.
4. How can I tell if my child has sensory processing issues?
Signs include being overly sensitive to light, noise, or textures; frequently seeking movement or crashing into things; or struggling with coordination and body awareness. If your child has difficulty responding appropriately to sensory experiences, an evaluation by an occupational therapist can identify whether sensory processing challenges are present and which systems are involved.
5. What are some simple sensory activities I can do at home?
Playing with playdough, swinging at the playground, or letting your child walk barefoot on different surfaces are all accessible starting points. These activities engage multiple sensory systems simultaneously, giving your child the input they need to feel regulated. What works varies by child the goal is to experiment and observe.
6. How does interoception affect children with autism?
Interoceptive differences are among the most commonly reported sensory challenges in autistic children. Research, including a 2019 study in the Journal of Autism and Developmental Disorders, has found that interoceptive accuracy is often diminished in children with ASD meaning they have greater difficulty detecting and interpreting internal body signals like hunger, thirst, and the physical sensations that underlie emotions. This can appear as meltdowns that seem to come from nowhere, difficulty with toilet training, or not noticing illness until symptoms are severe. A pediatric OT evaluation can identify interoceptive difficulties and build a targeted support plan.
7. What is sensory integration therapy, and how does it work?
Sensory integration therapy is an evidence-based OT approach developed by Dr. A. Jean Ayres in the 1970s. It uses structured, play-based activities delivered in a sensory gym with specialized equipment like swings, climbing walls, and tactile stations to help the nervous system process sensory input more efficiently. The goal is not desensitization. It’s helping the brain learn to organize and respond to sensory information more effectively. At Uplift Therapy Center in La Cañada, our sensory gym is designed to deliver Sensory Integration treatment for children from infancy through age 12.
When to Seek Help: How a Pediatric OT Evaluates Sensory Processing
If your child’s sensory responses are affecting their daily life, making mealtimes a battle, school mornings a crisis, or friendships harder to build, that is the signal to act.
A sensory evaluation is not a diagnosis. It is a map. At Uplift Therapy Center in La Cañada, an OT evaluation involves structured observation in our sensory gym and standardized assessments.
It also includes a detailed parent interview covering your child’s patterns at home, at school, and in the community. From that, we build a targeted plan and in most cases, a home program you can start using right away. We also work with many insurance providers, see our insurance information here before your visit.
Wondering what happens at a first visit? Here’s exactly what to expect
“In just a few months, my 2-year-old has gained confidence, improved body awareness, and reached important motor milestones. We saw a difference after just one session, and we are so grateful for their support.” Uplift Therapy Center parent
Most families tell us they wish they had come in sooner. Early support especially before kindergarten works with the brain’s natural neuroplasticity to produce faster, more lasting results. When you’re ready, we’re here.
No referral needed. No commitment required. Just a conversation about your child.
Book Your Child’s Free Sensory Consultation at Uplift, in La Cañada and virtually.
Bringing It All Together: The 8 Senses and Your Child’s Daily Life
The eight senses shape every experience your child has from the texture of breakfast to the noise of a school hallway to the feeling of needing a break before they know why.
I’ve spent years working alongside families in the Los Angeles area, helping them understand their child’s unique sensory profile. No two profiles look the same. Some children need more input. Others need far less. What stays constant is this: when parents understand what’s driving their child’s behavior, things get easier. The meltdown becomes explainable. The morning routine becomes workable. The child becomes understandable and not difficult.
It’s not about perfection. It’s about progress. If you need guidance, our team at Uplift Therapy Center in La Cañada is here.
Ready to Understand Your Child’s Sensory World? Start Here.
About the Author
Talin Yacoubian, OTD, OTR/L, CAS is the founder of Uplift Therapy Center in La Cañada, California, and holds a Doctorate of Occupational Therapy from the University of Southern California. With over a decade of pediatric experience and a certification as an Autism Specialist (CAS), she specializes in neuro-affirming, play-based sensory integration therapy that helps children from infancy through age 12 and their families find a path that actually works in daily life.
