When Sensory Sensitivities Affect Learning
Picture this: a third grader who cannot concentrate when the classroom lights hum. A kindergartner who dissolves into tears every afternoon — not because anything bad happened, but because the school day itself is exhausting in ways no one fully understands. A middle schooler who refuses to eat lunch in the cafeteria because the noise level makes it impossible to think, let alone socialize.
These children are not being dramatic. They are not poorly behaved or overly sensitive in a character sense. Their nervous systems are processing the world differently — and in many cases, that difference is quietly undermining their ability to learn.
Sensory sensitivities in children are more common than many parents and educators realize, and they are among the most frequently overlooked contributors to school-based struggles. When a child's sensory system is dysregulated, the cognitive bandwidth required for learning — attention, memory, processing, problem-solving — is simply not available in the way it needs to be.
What Are Sensory Sensitivities?
Every child receives a constant stream of sensory information throughout the day: sound, light, touch, movement, smell, taste, and input from their own body's position and internal state. For most children, the brain filters this information efficiently — pushing irrelevant input into the background so that attention and focus can come to the foreground.
For children with sensory sensitivities, that filtering process works differently. Certain types of input — a scratchy tag on a shirt, the buzz of fluorescent lighting, the din of a cafeteria, the unpredictable touch of other children in a crowded hallway — can register with an intensity that is genuinely difficult to manage. Rather than fading into the background, these sensations compete directly with everything else the child is trying to do.
Some children are hypersensitive: they over-respond to sensory input and become quickly overwhelmed. Others are hyposensitive: they under-respond and may seek intense sensory experiences — crashing into furniture, chewing on objects, needing constant movement — in order to feel regulated. Many children present with a combination of both, depending on the sensory channel.
What This Looks Like at School
Sensory sensitivities rarely announce themselves with a clear label. Instead, they tend to show up as behaviors that look like something else entirely — which is precisely why they are so often misunderstood.
In the classroom, a child with auditory sensitivity may struggle to follow directions in a noisy environment, not because they aren't listening, but because background noise overwhelms their ability to isolate the teacher's voice. A child with visual sensitivity may have difficulty in brightly lit rooms or with certain types of visual material on a screen or whiteboard.
During transitions, a child who needs more sensory input may become disruptive or difficult to redirect — running in hallways, touching everything, struggling to settle into a new activity. A child who is easily overwhelmed may freeze, shut down, or become tearful when the environment changes unexpectedly.
At lunch and recess, the combination of noise, movement, unpredictable social contact, and unfamiliar smells can be genuinely destabilizing for a sensory-sensitive child. Many of these children eat very little at school, come home ravenous, and are emotionally depleted by the time they walk through the door.
After school, the child who held it together all day often falls apart at home. Parents describe this as the "after-school restraint collapse" — the emotional unraveling that happens when a child who has been managing intense sensory demands for six hours finally feels safe enough to let go. This is not misbehavior. It is the cost of an overwhelming day.
The Connection to Learning
When a child's sensory system is working overtime just to navigate the physical environment, very little cognitive energy is left for learning. This is not a metaphor — it reflects how the brain actually allocates resources.
Attention, working memory, processing speed, and executive function all depend on a nervous system that is regulated enough to focus. A child who is hypervigilant to sensory input is, neurologically speaking, in a low-grade state of alert. Their brain is spending significant resources monitoring and managing the environment rather than encoding and processing new information.
Over time, this can produce a profile that looks like — or coexists with — attention difficulties, learning disabilities, anxiety, or emotional dysregulation. A child may be bright and capable but consistently underperform. They may be able to demonstrate mastery at home, in a quiet one-on-one setting, but fall apart on tests taken in a buzzing gymnasium. They may be labeled unmotivated, defiant, or immature when the real story is far more nuanced.
Sensory Sensitivities and Other Diagnoses
It is important to understand that sensory sensitivities do not exist in isolation. They are frequently associated with — and often a component of — other conditions that affect learning and development.
Children with ADHD commonly experience sensory dysregulation. The same neurological differences that affect attention and impulse control also affect how sensory information is filtered and processed.
Children on the autism spectrum very often have significant sensory sensitivities, which may be central to their daily functioning and school experience.
Anxiety and sensory sensitivity have a circular relationship: a child who is easily overwhelmed by sensory input may become anxious in anticipation of overwhelming environments, and anxiety in turn lowers the threshold for sensory reactivity.
Children with developmental coordination disorder, hypermobility, and various learning differences also show elevated rates of sensory dysregulation.
This overlap is one of the reasons sensory sensitivities are so rarely identified in isolation — and why a thorough, individualized evaluation is so important. Understanding which piece is driving the picture determines everything about what happens next.
What Schools Can and Cannot Do
Many schools have some awareness of sensory needs, particularly at the elementary level. Occupational therapists in school settings often address sensory processing as part of their work. Classroom teachers may offer sensory tools — fidgets, flexible seating, noise-reducing headphones — to children who seem to need them.
These accommodations can be genuinely helpful. But they are frequently applied without a clear understanding of what is actually driving a child's sensory responses, and without the individualized assessment data needed to advocate effectively on a child's behalf.
When a child's sensory sensitivities are contributing to academic struggles, emotional dysregulation, or significant school avoidance, a comprehensive neuropsychological evaluation provides the documentation and clinical clarity that school-based interventions often lack. It answers not just what accommodations a child needs, but why — grounding recommendations in a detailed understanding of how that specific child's nervous system works.
What Neuropsychological Testing Can Reveal
A neuropsychological evaluation does not diagnose sensory processing disorder as a standalone condition — that falls within the scope of occupational therapy assessment. But it provides an essential piece of the puzzle by examining how sensory-related challenges interact with a child's cognitive profile, emotional functioning, and academic performance.
Through a combination of standardized cognitive testing, behavioral rating scales completed by parents and teachers, clinical interviews, and careful observation, an evaluation can clarify:
Whether attention difficulties are primary or secondary to sensory dysregulation
Whether anxiety is driving sensory reactivity, or vice versa
Whether there are processing speed or working memory differences that compound the sensory picture
Whether the child's profile warrants an IEP, a 504 plan, or both — and what specific accommodations are most likely to help
How to communicate the child's needs to teachers and school teams in a way that leads to real change
For many families, this evaluation is the moment the pieces finally come together — when the behavior that has puzzled and frustrated everyone for years is finally explained in a way that makes complete sense.
A Word to Parents Who Are Exhausted
If you are the parent of a sensory-sensitive child, you likely already know something that the school report cards and behavioral checklists haven't captured. You have seen your child struggle in environments that other children seem to navigate effortlessly. You have managed the meltdowns, fielded the calls from school, and wondered whether you are doing something wrong or missing something important.
You are not doing anything wrong. And you are not missing the point — you are the one who has been closest to it all along.
Sensory sensitivities are real, they are neurological, and they are manageable with the right understanding and support. The first step is getting a clear picture of what is actually happening — so that your child can finally be seen for who they are, not just how they appear to be.
Dr. Michael Koffman is a Clinical Neuropsychologist in Montclair, NJ, offering educational and neuropsychological evaluations for children, adolescents, and adults. If you suspect sensory sensitivities may be affecting your child's learning or wellbeing, contact Dr. Koffman at drkoffman.com/contact.