Primitive Reflexes: Moro, ATNR, STNR Guide | Hopeful Neuron
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Primitive reflexes explained: what they are, and why they may matter.

Six early reflexes parents often ask about. What they are, what it can look like when one is still active, and what some practitioners think that can affect.

Every baby is born with automatic movement patterns that help them in the first months. Most switch off, or integrate, as the nervous system matures. Some practitioners, including us, believe that when one stays active for longer than expected, it can get in the way of things like coordination, focus and emotional regulation. That idea is debated, and we'll be honest about what the research does and doesn't show.

MoroATNRSTNRBabinskiPalmarRooting

On a free 15 minute call, we'll tell you honestly what we think is going on, and whether we think reflex work is worth trying for your child.

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A message from Adi & Dana, parents and Melillo Method practitioners

1000+ families supported • 20+ years of experience • Melillo Method certified • Supporting families worldwide
  • Primitive reflexes are automatic movement patterns babies are born with. Most fade in the first year or two.
  • Some practitioners, including us, believe reflexes that stay active can get in the way of things like coordination, focus and emotional regulation. This is debated, and the research is limited and mixed.
  • This guide covers six reflexes: Moro, ATNR, STNR, Babinski, Palmar and Rooting, with signs to look for.
  • It's general information, not medical advice. If you're worried about your child's development, start with your GP or health visitor.

Why a reflex from infancy may still matter years later.

In plain terms, here is the order we work in, and where reflexes sit in that sequence.

1

Regulation

The nervous system first has to feel safe, so it isn't stuck in fight, flight or shutdown.

2

Movement

Balance, coordination and body awareness build the physical foundation the brain relies on.

3

Reflexes

This is where reflexes sit. Early automatic patterns finish switching off, so they stop getting in the way.

4

Learning & Communication

Focus, language and confidence get a steadier base to build on.

The six reflexes below are the ones we see most often, and what a retained pattern can look like in daily life.

What each reflex is, and what to look for.

These signs overlap with a lot of other things, so treat this as a way to notice patterns, not a way to self diagnose. A hands on check by a trained practitioner is the only way to know what's actually going on. This guide is general information, not medical advice. If you're worried about your child's development, or your child has lost skills they had, talk to your GP or health visitor first.
1

Moro Reflex

The startle reflex

In infancy, a sudden noise, light or drop in support makes a baby fling their arms out and cry. It's the body's built in alarm system. It should settle by around 4 months as the nervous system learns the world is safe.

Early sign

Arms and legs jerk outward at a loud noise or sudden movement, followed by crying.

If it stays active

The nervous system can stay stuck in a low level fight or flight state well past infancy.

What it may be linked to

Anxiety, sensory sensitivity, poor emotional regulation and being easily startled or overwhelmed.

2

ATNR

Asymmetrical Tonic Neck Reflex

When a baby's head turns to one side, the arm and leg on that side straighten while the opposite side bends. It's called the "fencer" position. It supports early hand and eye coordination and should integrate by around 6 months.

Early sign

The classic fencer pose, one arm extended in the direction the head is turned.

If it stays active

Turning the head can still trigger an unwanted shift in arm position or balance.

What it may be linked to

Handwriting, crossing the midline, reading and difficulty tracking a line of text.

3

STNR

Symmetrical Tonic Neck Reflex

This reflex links head position to arm and leg movement together, helping a baby learn to get onto hands and knees and eventually crawl. It typically integrates between 8 and 11 months.

Early sign

Bending the head forward or back changes arm and leg position at the same time.

If it stays active

Sitting upright at a desk and looking between a book and the board becomes tiring.

What it may be linked to

Poor posture, W sitting, slouching at a desk and difficulty copying from a board.

4

Babinski Reflex

The plantar reflex

Stroking the sole of a baby's foot causes the big toe to bend upward and the other toes to fan out. It's a normal sign of an immature nervous system. It should integrate as the pathways controlling the foot mature, usually by around 2 years.

Early sign

The big toe lifts and the foot fans when the sole is stroked.

If it stays active

The foot and ankle can struggle to provide stable, grounded input to the brain.

What it may be linked to

Balance, toe walking, and general foot and ankle stability during movement.

5

Palmar Reflex

The grasp reflex

Press a finger into a baby's palm and their fingers curl tightly around it. It's an early survival grip. It should integrate by around 6 months as voluntary hand control develops.

Early sign

An automatic, tight grasp when the palm is touched, hard for the baby to release.

If it stays active

Fine motor control in the hand can stay effortful rather than becoming automatic.

What it may be linked to

Pencil grip, handwriting fatigue and fine motor tasks like buttons or cutlery.

6

Rooting Reflex

The feeding reflex

Stroke a baby's cheek and they turn toward it, mouth open, ready to feed. It's essential in the first weeks of life and should integrate by around 4 months as feeding becomes more voluntary.

Early sign

Turning the head and opening the mouth automatically when the cheek is touched.

If it stays active

The mouth and face can stay more sensitive or reactive to touch than expected.

What it may be linked to

Speech articulation, sensitivity around the mouth, and some feeding or texture difficulties.

An honest note before you go further.

It's well established that primitive reflexes appear in infancy and usually fade in the first year or two. Whether reflexes that persist in older children contribute to difficulties with learning, attention or behaviour is debated. So is whether reflex integration exercises help.

Studies so far are small, and results are mixed. Reflex integration isn't part of standard NHS pathways, and we can't promise results. We think it's worth exploring for some children, alongside everything else they have, and we'll tell you honestly on a call whether we think it's worth it for yours.

If you'd like to read more, see our page on the Melillo Method in the UK and our research page. If your child is late with movement, our guide to baby and toddler motor delay explains when to get checked first.

You know your child. We know where to look.

Every family that reaches out to us has already been through a lot. Here's what makes working with us different.

Personalised programmes

No two children get the same plan. Every programme is built around your child, their history and what your family is dealing with right now.

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You're in the room for every decision. We coach you through the home exercises so progress keeps going long after the session ends.

Whole child approach

We don't just target one behaviour. We look at sleep, movement, emotions, focus and communication together, because in real life they're never separate.

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Hands on, in clinic sessions in Mill Hill, London, for families who want to work with us face to face.

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Support from home, wherever you are. Families in the US, Australia, Israel and across Europe follow the same structure we use in clinic, over video.

No diagnosis needed, and it's not instead of OT or speech therapy. We work alongside the professionals already supporting your child, looking at why the difficulties exist at the nervous system level.

Adi and Dana Latter, founders of Hopeful Neuron, Melillo Method certified practitioners specialising in primitive reflex integration

Parents first, practitioners second.

Our older son didn't speak until he was five, and that's where this started. Today he's fully verbal, has finished his GCSEs, has friends and is independent. We've spent over 20 years in developmental therapies since, and we've both been Melillo Method certified since 2022.

We're not medical doctors, and we don't diagnose. Read our full story →

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What happens on the free call?

A short, honest conversation. Not a sales pitch.

1

You tell us what's going on

What you're seeing at home, at school and socially, in your own words.

2

We share what we think it is

Which of these reflexes may be relevant, and how we'd approach it.

3

You decide, no pressure

If it's a fit, we tell you what's next. If it's not, we'll say so honestly.

In just 15 minutes, you'll walk away with real answers.

  • Which of these six reflexes may be relevant to what you're seeing at home
  • Whether a hands on check would be worthwhile for your child
  • Whether our approach is the right fit, or if something else would serve your child better
Book a Free 15 Minute Call →

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In their own words.

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Things parents ask us about primitive reflexes.

A primitive reflex is an automatic movement pattern babies are born with. Most integrate, meaning switch off, in the first year or two as the nervous system matures. When one is still active beyond that window, some practitioners describe it as retained, and believe it can get in the way of attention, coordination, emotional regulation and learning. That idea is debated.
No. It isn't a diagnosis, and it isn't a formal condition in the way autism or ADHD is. It's a term some practitioners use for patterns they see when they check a child's movement.
They're usually looked for through a hands on check by a trained practitioner, not a questionnaire. Signs that people link to them include poor balance, messy handwriting, being easily startled, W sitting, toe walking and difficulty with reading or focus. These signs overlap with many other things, so a check is the only way to know.
Research is limited and mixed. It's well established that primitive reflexes appear in infancy and usually fade. Whether persisting reflexes in older children contribute to learning, attention or behaviour difficulties, and whether integration exercises help, is debated. Studies are small, and reflex integration isn't part of standard NHS pathways. We can't promise results. See our page on the Melillo Method in the UK and our research page.
If you're worried about your child's development, yes. Your GP or health visitor can look for other causes and refer you on where needed, which matters especially for delayed movement or lost skills. Our support is designed to sit alongside that, not replace it. If your child is late with movement, see our guide to baby and toddler motor delay.
We work with children from 18 months to 18 years. The nervous system stays adaptable throughout childhood and the teenage years, and we think integration work can be useful well beyond early childhood. We can't promise particular outcomes at any age.
No. We see children with autism, ADHD, sensory processing differences, dyslexia and dyspraxia, and children with no diagnosis at all. A diagnosis isn't needed to have this checked.
Yes. The exercises are gentle movements done at home, and we coach parents through them so the work fits into daily family life. Our free course is a good place to start.
No. It's designed to sit alongside them, and you can keep any therapy your child already has, including OT, speech therapy and school SEN support.
Every child is different. Some families notice early changes within a few weeks of consistent daily practice, while others take longer, and some children don't respond as we'd hope. Working on a reflex pattern is usually measured in months, not days.

Book a free 15 minute call with Adi & Dana.

No waiting list, no diagnosis needed, and no pressure to commit to anything. Just a straight conversation with two people who've been where you are.

Certifications & Affiliations
Dr. Robert Melillo, Melillo Method CIES, Collège International d'Etude de la Statique IAFNR, Interdisciplinary Association of Functional Neurosciences and Rehabilitation