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Today’s episode is a 1-on-2 with a fellow OT where we dive into all things primitive reflexes!
We talk about a variety of challenges related to primitive reflexes as well as we really got to nerd out on all the activity ideas!
If you’re a therapist working with children, this episode is GOLD!
But don’t shy away from this episode if you’re not a therapist - there are some great ideas for kiddos who are struggling with anxiety, how to help kiddos move into a variety of positions that can address retained primitive reflexes, using sensory paths to address primitive reflexes, and how to look at challenges in a positive way!
Be sure to check out the links below!
Sensory Processing Disorder Training
Improving Focus and Behavior in the Classroom - NEW Course is On Sale Through March 7, 2022
Primitive Reflex Digital Course
All Things Sensory Podcast Instagram
Primitive Reflex Podcast Series - Episodes 100-104
Have you ever worked with—or parented—a child who seems to experience extreme startle responses, emotional dysregulation, or persistent anxiety? You’ve tried emotional regulation strategies, mindfulness tools, even therapy—but something still seems off.
What if the root of those emotional challenges wasn’t anxiety… but a retained primitive reflex? In this post, we dive into the Moro reflex, its connection to emotional regulation, and how understanding and integrating retained reflexes can be life-changing for both children and caregivers.
The Moro reflex, often referred to as the “startle reflex,” is an involuntary response seen in infants. When triggered—by a loud noise, sudden movement, or loss of support—the baby throws their arms out, opens their hands, then pulls their arms back in.
Typically, this reflex fades by 4 to 6 months of age as the child’s nervous system matures. However, in some children, the reflex remains retained, and this can have far-reaching effects on behavior, emotional regulation, and sensory processing.
A retained Moro reflex keeps the child’s body in a heightened state of fight-or-flight. Everyday stressors—like a sudden noise, change in routine, or sensory overload—can cause disproportionate emotional reactions.
Signs that the Moro reflex may be retained:
Heightened startle response.
Difficulty with emotional self-regulation.
Sensory sensitivities (especially to light or sound).
Poor adaptability to change.
Constant feelings of being “on edge”.
Chronic anxiety or nervousness.
Trouble with social interactions due to overreactions.
These behaviors are often misinterpreted as generalized anxiety or emotional immaturity, when in reality, they could stem from neurological immaturity.
The Starfish Exercise is a foundational activity to help integrate the Moro reflex.How to do it:
The child lies on their back in a calm environment.
Start with arms and legs extended outward (like a starfish).
Instruct the child to bring their arms and legs in to hug their body, then return to the start position.
Repeat slowly with deep breathing.
OT Tip:This is best used daily for 5–10 minutes. You can adapt it by using weighted blankets or calming music.
Use this approach to build emotional awareness and co-regulation:
Name It – Help the child identify what they’re feeling (e.g., “It looks like you're feeling overwhelmed”).
Claim It – Validate the emotion without judgment (“It’s okay to feel that way.”)
Tame It– Offer a regulation tool: deep breaths, heavy work, or a sensory tool like a body sock or fidget.
Use Zones of Regulation visuals to link these responses to the child’s nervous system and the reflex itself.
Children often resist traditional exercises—so embed movement into fun, functional activities:
Usetherapy balls or couch cushions to roll backwards in supine, encouraging vestibular input and reflex integration.
Addlaser pointer games or spelling tasks while the child lies upside down or prone to encourage focus and body awareness.
Usemirror play, snow angels, or supine scooter board pushes to build tolerance in challenging positions.
Many parents feel overwhelmed when asked to carry over exercises at home. Here are ways to empower families:
Can you commit to 5 minutes a day? Great. If not, pick 1–2 times a week and build consistency gradually.
Send parents short video demos of exercises and progress clips showing before/after improvements. This increases buy-in and helps both the parent and child feel invested.
Use simple, laminated tracking sheets to encourage daily or weekly engagement. Make it fun: offer small rewards or OT-led “challenges” where kids can “beat the therapist.”
For kids who resist prone or supine work:
Modify the environment:dim lights, calming music, sensory-friendly room.
Offer transitional support: use wedges or beanbags as a bridge to prone.
Join them: therapists can model by getting into the position, too.
Make it motivating: use iPad mirrors, favorite toys, or turn it into a game.
Remember: Progress may be slow, but with consistency and creativity, even the most avoidant children can make significant gains.
When a child’s Moro reflex is integrated, you often see:
Reduced anxiety.
Improved regulation.
More resilience.
Better learning and attention.
Happier interactions at home and school.
And for the therapist or parent? Confidence, clarity, and that deeply satisfying moment when you realize you’ve helped unlock a new level of potential.
Primitive reflexes are often the missing link in supporting children with sensory and emotional challenges. By understanding and addressing them—especially the Moro reflex—you can create transformational change.
BORING, BUT NECESSARY LEGAL DISCLAIMERS
While we make every effort to share correct information, we are still learning. We will double check all of our facts but realize that medicine is a constantly changing science and art. One doctor / therapist may have a different way of doing things from another. We are simply presenting our views and opinions on how to address common sensory challenges, health related difficulties and what we have found to be beneficial that will be as evidenced based as possible. By listening to this podcast, you agree not to use this podcast as medical advice to treat any medical condition in either yourself or your children. Consult your child’s pediatrician/ therapist for any medical issues that he or she may be having. This entire disclaimer also applies to any guests or contributors to the podcast. Under no circumstances shall Rachel Harrington, Harkla, Jessica Hill, or any guests or contributors to the podcast, as well as any employees, associates, or affiliates of Harkla, be responsible for damages arising from use of the podcast.
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