It's 7:42 on a school morning, and your daughter is sitting on the hallway floor with one sock on, crying because the seam "feels wrong." It's the same blue socks she's worn four days in a row, the ones you washed last night so this wouldn't happen. By the time you're out the door she's calmer, but you're both frazzled, and later her teacher mentions she had a hard time sitting still for handwriting. You find yourself wondering whether this is just her personality, or whether something else is going on underneath.
If that sounds familiar, you're in good company! Sock battles, big feelings over small changes, and a body that just won't settle are some of the most common things parents tell us about. Sometimes, one piece of that puzzle is something called primitive reflexes, and that's what we're digging into here: what they are, why they sometimes hang around, and how occupational therapy uses playful, movement-based activities to help everyday routines feel a little easier.
What Are Primitive Reflexes?
Babies are born with built-in, automatic movement patterns called primitive reflexes. The Moro (startle) reflex and the grasp reflex are two you've probably seen, like those arms flinging out when you set a newborn down. These reflexes help infants in their earliest months, and as the brain matures they usually quiet down and fade into the background.
Sometimes, though, they seem to linger longer than expected. When that happens, it's often one part of a bigger picture rather than the whole story. Things that are worth noticing:
Big feelings: a hard time calming down once upset
Tough transitions: meltdowns when it's time to switch activities or leave the house
Strong sensory preferences: the same socks every day, always long sleeves, or refusing certain clothes
Motor challenges: handwriting, balance, or coordination that takes a lot of effort
If you'd like a closer look at one reflex in particular, our post on the Moro reflex in toddlers and children walks through what a big startle can look like after the baby stage.
What Is Reflex Integration in OT?
Primitive reflex integration is an approach some pediatric occupational therapists use. Through fun, movement-based play, we give the brain and body chances to practice the patterns that usually develop in infancy, so that a reflex isn't running the show quite so often. For the little girl on the hallway floor, that might mean games that help her body feel more organized, so a sock seam is a little less of a big deal.
It isn't magic, and it isn't a quick fix. Every child's nervous system is different, and progress usually looks like small, real-life wins: an easier morning, a calmer goodbye at drop-off, a few more minutes at the table.
Why We Never Use It on Its Own
Here at B.well tots, reflex work is never a stand-alone therapy. Our pediatric occupational therapists start with a functional assessment, looking at how your child moves, plays, handles touch and sound, and gets through daily routines, plus what you're seeing at home. Reflex-focused activities are then one tool in a bigger plan that can also include:
Sensory strategies: heavy work, movement breaks, and ways to make clothing and textures feel more manageable
Regulation supports: tools to help your child (and you!) come back to calm after big feelings
Real-life practice: dressing, toileting, transitions, and the routines that matter most to your family
The goal is always functional: a child who feels more comfortable in their body and a little more flexible in daily life.
Do mornings in your house feel like a sock-shaped battle?
What the Research Says (So Far)
The science around reflex integration is still growing, and we like to be honest about that. Some studies have found links between retained reflexes and things like handwriting difficulties in school-aged children, and a 2024 systematic review suggested OT approaches targeting retained reflexes may help with attention and self-regulation, while also calling for larger, better-designed studies. In other words, the research is promising, but it isn't settled, and no approach works the same way for every child.
If you want the deeper dive, Kelsey breaks down the studies in Reflex Integration Therapy: What the Research Really Says.
Signs Worth Noticing
Signs of lingering reflexes often show up as a mix of motor, learning, and behavior patterns rather than one isolated thing. None of these on their own means something is wrong, but a cluster of them is worth noticing:
Balance and coordination: frequent tripping, clumsiness, or a hard time learning to ride a bike
Posture: slumping at the table, W-sitting, or needing to lean on something to sit upright
Walking: toe walking or stiff-legged walking past the toddler years
Using both sides together: catching a ball, crossing the middle of the body, or switching hands often
Handwriting and copying: messy spacing, tiring quickly, or a hard time copying from the board
Focus and frustration: restlessness, a short fuse over small challenges, or trouble with planning and getting organized
Body comfort: big reactions to waistbands, tags, or seams, or a lot of fidgeting in chairs
How We Support Kids in Philly
Every plan at B.well tots is built around your child's strengths and your family's goals. For most kids that means weekly sessions at one of our Fishtown, Fairmount, or Wyndmoor locations. For families who want more support in a shorter stretch of time, our Neuro.well intensives offer focused blocks of therapy that include reflex work alongside sensory and motor support.
Wondering if lingering reflexes are part of your child’s story?
The Bottom Line
Primitive reflexes are a normal part of development, and when they seem to stick around, they can make everyday life feel harder than it needs to. Reflex integration, as one part of a whole-child OT plan, can often help kids feel calmer and more at ease in their routines. You don't have to figure it out alone: tell us what you're noticing, and we'll help you decide whether to keep watching, try a few things at home, or schedule an evaluation.
And back to that hallway floor at 7:42. Our hope, for that little girl and for yours, is a morning when the socks just go on, she grabs her backpack, and the two of you head out the door talking about something else entirely.
This post is part of our From Startle to Steady series, where we walk through the reflexes babies are born with, one at a time, and what they can look like as kids grow.
This post is for educational purposes and isn't a substitute for individualized medical advice.