APA-Style Systematic Review

Abstract

Objective: To synthesize peer -reviewed evidence on interventions marketed as 'reflex integration' (primitive reflex inhibition/integration) and the broader evidence linking persistent primitive reflexes with functional outcomes in children. Methods: Narrative systematic synthesis of key systematic/scoping reviews, controlled trials, and observational studies identifiable via major databases (e.g., PubMed) and open repositories.

Inclusion criteria emphasized pediatric samples and peer -reviewed publications addressing either (a) reflex integration interventions or (b) associations between primitive reflex persistence and functional outcomes relevant to therapy. Results: Evidence linking persistent primitive reflex activity with motor/learning variables exists, but is heterogeneous. Intervention evidence includes a small number of controlled trials and a larger set

of lower -quality or non -randomized studies; scoping review evidence suggests specific branded approaches (e.g., MNRI) remain under -supported by high -quality trials. Conclusion: Reflex integration interventions may be promising for selected goals when embedded within broader, function -focused therapy plans; however, claims of broad efficacy should be tempered by the current limitations in study quality, standardized outcome measures, and replication.

Clinical Question (PICO)

P: Children with developmental, learning, motor, or attention difficulties where persistent primitive reflex activity is suspected or documented.

I: Reflex integration interventions (movement programs replicating primitive reflex patterns; MNRI; reflex inhibition exercises).

C: Usual care, alternative movement programs, placebo/control activities, or no intervention.

O: Functional motor skills, academic/reading measures, attention/behavior, participation outcomes, and changes in reflex activity.

Search approach: Keywords and synonyms included primitive reflex, retained primitive reflex, reflex integration, reflex inhibition, MNRI, primary movement programme, ATNR, STNR, TLR, and child development terms (e.g., ADHD, autism, dyslexia, cerebral palsy). Study selection prioritized: (1) systematic/scoping reviews, (2) randomized or controlled trials, and (3) well -designed observational studies describing associations. Quality framework: Given heterogeneity, studies are appraised narratively (design, controls, blinding, outcome measures, replication).

McWhirter, K., Steel, A., & Adams, J (2022) Systematic review (association) Finds evidence linking primitive reflex persistence with motor/learning variables, but hig https://pubmed.ncbi.nlm.nih.gov/35830 Berg, L. A., Brown, D., & colleagues (2022) Scoping review (MNRI) Concludes MNRI evidence base remains limited; calls for higher-quality trials and cleare https://scholarworks.wmich.edu/ojot/vo

McPhillips, M., Hepper, P. G., & Mulhern, G (2000) Randomized controlled trial (movement program) Reports reduction in persistent ATNR activity and improvements in reading-related outc https://pubmed.ncbi.nlm.nih.gov/10683

Gieysztor, E. Z., Choi-ska, A. M., & Paprocka-Borowicz, M (2016) Cross-sectional (prevalence/association) Shows associations between trace primitive reflex activity and psychomotor performanc https://pmc.ncbi.nlm.nih.gov/articles/P

Tatarinova, T. V., et al (2020) Clinical study (MNRI; biomarkers focus) Reports biomarker changes post-intervention; clinical functional outcomes and design l https://pmc.ncbi.nlm.nih.gov/articles/P

Patel, N. V., et al (2025) Intervention study (CP) Reports improvements in gross motor outcomes when reflex integration activities are pa https://link.springer.com/article/10.118

• Association evidence: Systematic review and observational studies support associations between primitive reflex persistence and motor/learning outcomes, but do not establish causality.
• Intervention evidence: A limited number of controlled studies (including a randomized, double-blind trial in children with reading difficulties) suggest movement programs targeting primitive-reflex patterns can reduce measured reflex activity and improve specific outcomes; generalizability across conditions is uncertain.
• Branded approaches: A scoping review of MNRI concludes the evidence base is limited and calls for rigorous trials; some studies focus on biomarkers rather than functional outcomes.
• Outcome measurement gap: Studies often use non-standardized reflex scoring methods; functional outcomes vary widely, complicating meta-analysis and payer-ready conclusions.

• Use reflex findings as one component of a comprehensive evaluation (motor control, posture, ocular-motor, sensory processing, participation) rather than as a stand-alone explanation.
• Set goals in functional terms (e.g., dressing, handwriting endurance, classroom participation, meal participation) and use standardized outcome measures when feasible.
• If using reflex-pattern movements, embed them within task-oriented, strength/balance, and skill acquisition work—avoid positioning reflex exercises as a sole treatment.
• Communicate uncertainty clearly: current evidence supports associations and some promising trials, but high-quality intervention evidence is still limited and heterogeneous.
• Document response to intervention with objective metrics (goal attainment scaling, timed tasks, validated questionnaires) to support business/insurance conversations.

The field lacks a large body of replicated randomized controlled trials across diagnostic groups. Measurement of primitive reflex persistence is not standardized across studies, and many intervention reports use small samples or limited controls. Therefore, evidence is best interpreted as preliminary, with strongest support for cautious, function-anchored use within comprehensive therapy plans rather than broad claims of remediation.

McWhirter, K., Steel, A., & Adams, J. (2022). The association between learning disorders, motor function, and

primitive reflexes in preschool children: A systematic review. Journal of Child Health Care. Advance online

publication.

Available at: https://pubmed.ncbi.nlm.nih.gov/35830652/

Berg, L. A., Brown, D., & colleagues. (2022). The Masgutova Neurosensorimotor Reflex Integration (MNRI®)

method: A scoping review. The Open Journal of Occupational Therapy, 10(4).

Available at: https://scholarworks.wmich.edu/ojot/vol10/iss4/6/

McPhillips, M., Hepper, P. G., & Mulhern, G. (2000). Effects of replicating primary-reflex movements on specific

reading difficulties in children: A randomised, double-blind, controlled trial. The Lancet, 355(9203), 537–541.

Available at: https://pubmed.ncbi.nlm.nih.gov/10683004/

Gieysztor, E. Z., Choi-ska, A. M., & Paprocka-Borowicz, M. (2016). Persistence of primitive reflexes and

associated motor problems in healthy preschool children. Archives of Medical Science, 12(1), 167–173.

Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC5778413/

Tatarinova, T. V., et al. (2020). The impact of MNRI therapy on the levels of neurotransmitters and

neuropeptides in children with neurological and neurodevelopmental disorders. Frontiers in Systems

Neuroscience, 14, 1–20.

Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC7072967/

Patel, N. V., et al. (2025). Effectiveness of reflex integration approach and play therapy on gross motor function

in children with cerebral palsy. Bulletin of Faculty of Physical Therapy.

Available at: https://link.springer.com/article/10.1186/s43161-025-00333-8

McWhirter et al. (2022) — Systematic Review

Examines links between primitive reflex persistence, motor function, and learning disorders; highlights

need for stronger causal research.

https://pubmed.ncbi.nlm.nih.gov/35830652/

Berg et al. (2022) — MNRI Scoping Review

Reviews evidence for Masgutova Neurosensorimotor Reflex Integration; concludes higher-quality trials

are needed.

https://scholarworks.wmich.edu/ojot/vol10/iss4/6/

McPhillips et al. (2000) — Randomized Controlled Trial

Movement program replicating primary reflex patterns improved reading-related outcomes in children

with specific difficulties.

https://pubmed.ncbi.nlm.nih.gov/10683004/

Gieysztor et al. (2016)

Associates persistent primitive reflexes with psychomotor performance in preschool children.

https://pmc.ncbi.nlm.nih.gov/articles/PMC5778413/

Tatarinova et al. (2020)

MNRI intervention study reporting neurochemical changes post-therapy; clinical outcome implications

still emerging.

https://pmc.ncbi.nlm.nih.gov/articles/PMC7072967/

Patel et al. (2025)

Reflex integration plus play therapy improved gross motor outcomes in children with cerebral palsy.

https://link.springer.com/article/10.1186/s43161-025-00333-8