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Resource Library/Retained & Disordered Reflexes

Retained reflexes, explained

What primitive reflexes are, what "retained" means in plain English, the clusters parents actually notice (fidgeting, handwriting, car-sickness, bedwetting), an honest look at the research, and when an OT evaluation is worth pursuing.

Reviewed Aug. 2026
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This is parent-to-parent guidance, not medical advice. Nothing here diagnoses anything — reflex screening belongs in the hands of an occupational therapist or physician who can actually put hands on your kid.

Bottom line

Primitive reflexes are automatic newborn movement patterns that are supposed to fade as the brain matures. When one doesn’t — a “retained” reflex — it can keep working quietly against your child all day. That reflexes exist and are linked to weaker motor skills and lower reading and math scores is well established. Whether a specific reflex-integration exercise program fixes that is not — evidence is limited and mixed, and the field hasn’t settled on one program. Worth exploring inside a broader OT evaluation, not as a stand-alone fix.

What to do now

  • Get a full OT evaluation — sensory processing, motor coordination, and vision, not just a reflex checklist.
  • Rule out plain medical causes first (constipation or a UTI for bedwetting, a vision check for motion sickness or reading fatigue) before starting reflex work.
  • If a home program is recommended, ask when you’ll reassess and what improvement will actually look like before committing months to it.
What primitive reflexes are

What primitive reflexes are

Babies are born with a set of automatic movement patterns — press here, this happens, every single time. They run out of the brainstem, below the level of thought, and they have jobs: help the baby get born, help the baby find the breast, help the baby learn where their arms are before they know they have arms.

These are called primitive reflexes, and they’re supposed to be temporary. As the brain matures over the first year or two, higher control comes online and those automatic patterns get folded into voluntary movement. Therapists call that integration — the reflex doesn’t vanish, it gets absorbed and outranked.

The main ones, translated

What are the main primitive reflexes, translated?
  • Moro — the startle. A sudden noise, light, or head-position change makes the arms fling open, then clutch back in. It’s a baby-sized alarm system, normally quiet by around 4–6 months.
  • ATNR (asymmetrical tonic neck reflex) — the “fencing” pose. Turn the head to one side and that arm and leg straighten while the other side bends. It helps with birth and with the discovery of hands.
  • STNR (symmetrical tonic neck reflex) — head down, arms bend and legs straighten; head up, arms straighten and legs bend. This one shows up around crawling age and is a stepping-stone to hands-and-knees.
  • Spinal Galant — stroke alongside the spine and the hip swings toward that side. Helpful during birth; irritating on a school chair.
  • TLR (tonic labyrinthine reflex) — head tips back, the whole body extends; head tips forward, the body curls. It’s the earliest scaffolding for balance and posture.
  • Palmar grasp — pressure in the palm and the fingers curl closed. The famous finger-squeeze.
  • Rooting and sucking — touch the cheek, the head turns toward it and the mouth gets ready to feed.
So what does “retained” mean?

So what does “retained” mean?

A retained reflex is one that never fully got outranked. It still fires in the background — so instead of moving freely, your child is quietly working against an automatic pattern all day long. Think of trying to write a paragraph while someone gently tugs your elbow. You can do it. It just costs you far more than it costs everyone else.

Reflexes can also resurface temporarily under stress, exhaustion, illness, or after an injury, and integration commonly runs late in kids with neurological or developmental differences. This is not a moral failing of anyone’s nervous system.

An honest word about the research

An honest word about the research

Before the list of clusters below, a caveat that belongs ahead of it, not after: we’re not going to oversell this. Two different claims live under the same heading, and they don’t have the same amount of evidence behind them.

Well established: primitive reflexes exist, they follow a known timeline, and pediatricians check some of them at well visits. A 2026 systematic review in Acta Psychologica (opens in a new tab) found that studies do repeatedly link retained reflexes to weaker motor skills (balance, manual dexterity) and to lower reading, spelling, and math performance.

Still evolving: whether doing a specific set of reflex-integration exercises causes improvements in reading, attention, or behavior. That same review found only a handful of intervention studies, with effect sizes ranging from small to large and no single standardized program the field has settled on — promising, but not proof. “Retained reflexes” is also not a standalone medical diagnosis, which is part of why the American Occupational Therapy Association’s Choosing Wisely guidance (opens in a new tab) tells occupational therapists not to run reflex-integration programs without a clear, individual link to a functional outcome. Insurance rarely uses the phrase for the same reason.

Where that leaves you: reasonable to explore, especially inside a broader OT plan that ties any reflex work to a specific, trackable goal. Not a replacement for proven supports like speech therapy, structured reading instruction, or ADHD care. And a real reason to be skeptical of anyone promising to cure autism or ADHD with reflex work, or asking for a large package paid up front.

What parents actually notice

Nobody spots a reflex. What you spot are clusters — a handful of stubborn things that never seemed related until someone connected them. Keep the caveat above in mind here: every item below is nonspecific. Each one shows up constantly in kids for reasons that have nothing to do with reflexes, and none of these clusters is diagnostic on its own — they’re a reason to ask a professional a question, not a verdict you can reach from a list.

What clusters do parents actually notice?
  • The wiggle cluster (often linked to spinal Galant): can’t stay in a chair, hips constantly shifting, waistbands and tags are unbearable, bedwetting past the age you expected, plus a short fuse for anything requiring sitting.
  • The handwriting cluster (often ATNR): white-knuckle pencil grip, head turning or the paper spinning sideways, losing their place when reading, tiring after two sentences, real trouble crossing the middle of the body to reach the far side of the page.
  • The desk-posture cluster (often STNR): W-sitting, legs wrapped around chair legs, head propped on one hand, slumping into the table, and copying from the board being far harder than the actual work.
  • The startle cluster (often Moro): jumps at everything, hypersensitive to sound and light, motion sickness, anxious about sudden change, big reactions that arrive before any thinking could have happened.
  • The balance cluster (often TLR): toe walking, car-sickness, dislikes having their head tipped back at the sink, poor sense of where their body is in space, tires fast on stairs and playgrounds.
  • The mouth cluster (often rooting or suck): messy eating, drooling, mouth open at rest, sensitivity around the face, chewing everything.

One item on this list is just a kid. A whole cluster that has outlasted every strategy you’ve tried is worth mentioning to a professional — as a starting question, not a foregone conclusion.

What actually helps

What does a full OT evaluation and home program actually involve?

  1. Get a full OT evaluation, not a reflex checklist

    Good practice is to screen reflexes as part of a broader look at sensory processing, motor coordination, core strength, and visual skills. If a provider only looks at reflexes, you’re getting a narrow answer to a wide question.

  2. If a home program is recommended

    If a qualified provider recommends a movement program, they may suggest frequent practice. Evidence for specific reflex-integration programs remains limited and mixed — ask when you’ll reassess, what improvement would actually look like, and how they’ll know whether it’s working before you commit months to it.

  3. Fix the environment while you wait

    Feet supported on the floor or a box, a slanted surface for writing, a fatter pencil, movement before homework, tagless shirts, softer waistbands, seating away from the busiest wall. These help immediately and cost nothing.

  4. Rule out the plain medical stuff

    Bedwetting deserves a pediatrician conversation first — constipation, urinary infections, and sleep-disordered breathing are common and treatable drivers. Motion sickness, headaches, and reading fatigue can also point toward a vision evaluation. Reflex work should never be the first and only stop.

  5. Ask the provider three questions

    “What else are you evaluating besides reflexes?” “What does the home program look like and how long until we reassess?” “Do you bill insurance, and under what?” A confident, specific answer to all three is a good sign.

Who to call around here

Who do Village families see for reflex-related concerns?

Village families start with SOAR — you’ll find them, along with every other pediatric OT we know of in Murfreesboro and surrounding areas, in the OT directory. If your child already has an OT, just ask at the next session: “Have you looked at retained reflexes with him?” It’s a completely normal question and most pediatric OTs have an opinion ready.

Meanwhile, the movement and heavy-work ideas on our parenting tips page overlap heavily with what these programs do — regulation first, always.

Sources and review information
Written by
The Our Special Village team — parents, not your child’s clinicians.

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