Therapy guides

Sensory Integration Therapy vs Occupational Therapy

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Written and reviewed by the DrSensory editorial team · How we write and who reviews it · Last updated September 13, 2026

No — they aren't the same, and the distinction matters more than it might seem. Occupational therapy is a licensed profession covering daily activities, fine motor skills, self-care, and sensory processing across a wide range of needs. Ayres Sensory Integration is one specific, manualized approach within occupational therapy, requiring additional training and delivered with defined fidelity. Not all occupational therapy is sensory integration therapy, and not everything described as "sensory" is Ayres Sensory Integration either. The distinction matters because the evidence differs: ASI delivered with fidelity has moderate-quality evidence for autistic children, while individual sensory-based techniques such as weighted vests have repeatedly been found to have little or no effect.

Key takeaways

  • Occupational therapy is a profession. Ayres Sensory Integration is a specific method some occupational therapists are trained in.
  • The relationship is comparable to physiotherapy and a named manual therapy technique: the second is something practitioners of the first may or may not do.
  • Three different things get called sensory integration therapy, and only one of them is it.
  • Any activity involving swings, brushes or textured materials gets described loosely as sensory integration therapy. Most of it is not Ayres Sensory Integration.
  • Sensory-based interventions such as weighted vests, brushing protocols, listening programs and sensory diets are discrete techniques applied to a child, and the evidence for them differs substantially from the evidence for ASI.
  • Ayres Sensory Integration is individualized, child-directed and fidelity-measured, which is what separates it from the techniques often given its name.
  • Sensory-informed occupational therapy, where a therapist incorporates sensory understanding without delivering ASI, is legitimate and useful. It is simply not the same thing.
  • If you have been told your child receives sensory integration therapy, ask which of the three is actually happening, what ASI training the therapist has, and what the goals are in daily-life terms.

The short answer

Occupational therapy is a profession. Ayres Sensory Integration is a specific method some occupational therapists are trained in.

Comparable to the relationship between physiotherapy and a named manual therapy technique — the second is a thing practitioners of the first may or may not do.

Side by side

Occupational therapyAyres Sensory Integration (ASI)
What it isA licensed professionA specific, manualized intervention approach
ScopeDaily activities, fine motor, self-care, feeding, sensory processing, adaptive equipment, school functionSensory processing specifically, delivered through child-directed play in a specialized environment
Who provides itAny licensed occupational therapistAn OT with additional ASI training
SettingClinic, home, school, hospitalTypically a specially equipped clinic — suspended equipment, tailored space
EvidenceVaries by intervention and populationModerate quality for autistic children when delivered with fidelity
RequiresOT licenseOT license plus ASI-specific training

The three things that get conflated

1 · "Sensory integration therapy" used loosely. Any activity involving swings, brushes, or textured materials gets described this way. Most of it isn't ASI.

2 · Sensory-based interventions. Weighted vests, brushing protocols, listening programs, sensory diets. These are discrete techniques applied to a child — and they're not Ayres Sensory Integration, which is individualized, child-directed, and fidelity-measured. The evidence differs substantially between the two.

3 · Sensory-informed OT. Many occupational therapists incorporate sensory understanding into their work without delivering ASI. That's legitimate and useful — it just isn't the same thing.

Why this matters for a parent: if you've been told your child is receiving sensory integration therapy, it's worth asking which of these three is actually happening.

What to ask

  • Is this Ayres Sensory Integration specifically, or sensory-informed occupational therapy? Both can be appropriate; they're different.
  • What ASI training do you have?
  • What are the goals, in daily-life terms?
  • How will we know it's working, and by when?
  • What would make you change approach?

A therapist who distinguishes clearly between ASI and sensory-informed practice is demonstrating exactly the precision you want.

On the evidence

Briefly, because it's covered fully elsewhere: Ayres Sensory Integration delivered with fidelity has moderate-quality evidence for autistic children. Individual sensory-based techniques — weighted vests in particular — have repeatedly been found to have little or no effect on the outcomes claimed for them.

Environmental modification has performed more consistently in research than sensory input applied to a child.

RelatedSensory integration therapy and the evidence, in full

RelatedSensory integration therapy and the evidencePediatric occupational therapySensory processing differencesSensory dietsOT vs PT

More cost & comparison guides

Frequently Asked Questions

Is sensory integration therapy the same as occupational therapy?
No. Occupational therapy is a licensed profession covering a wide scope. Ayres Sensory Integration is one specific approach within it, requiring additional training and delivered with defined fidelity.
Do all occupational therapists do sensory integration therapy?
No. It requires specific additional training. Many OTs incorporate sensory understanding into their practice without delivering ASI, which is a different thing.
How do I know if my child is getting actual ASI?
Ask directly whether it's Ayres Sensory Integration specifically and what training the therapist has. ASI is individualized, child-directed, fidelity-measured, and typically delivered in a specially equipped space.
Is sensory integration therapy evidence-based?
Ayres Sensory Integration delivered with fidelity has moderate-quality evidence for autistic children. Individual sensory-based techniques such as weighted vests have weak or no evidence, and the two are frequently conflated.
What's a sensory diet, and is that the same?
No. A sensory diet is a planned set of activities through the day — a sensory-based intervention rather than ASI, with weaker evidence behind it. → Sensory diets
Should I look for an OT with ASI training?
It depends on the goals. If sensory processing is the primary concern and ASI is being considered, yes, ask about training. For many other goals, general occupational therapy is what's needed.

Sources

  1. Acuña C, Gallegos-Berrios S, Barfoot J, et al. Ayres Sensory Integration® With Children Ages 0 to 12: A Systematic Review of Randomized Controlled Trials. American Journal of Occupational Therapy; 2025. doi:10.5014/ajot.2025.051023
  2. Kaplan Kılıç D, Bumin G, Öğütlü H. Comprehensive Effects of Occupational Therapy Using Ayres Sensory Integration® in Children. American Journal of Occupational Therapy; 2025. doi:10.5014/ajot.2025.051083
  3. Çorakcı Yazıcıoğlu G, Bumin G. Occupational Therapy Using Sensory Integration for Enhancing Occupational Performance in Children with Autism. Journal of Autism and Developmental Disorders; 2025. doi:10.1007/s10803-025-06970-1

Medical disclaimer. This page is for general educational purposes and does not constitute medical advice, diagnosis, or treatment. Costs, coverage rules and programs change and vary by location; confirm details locally.