Sensory Processing in the ADHD Symptom Network — Li et al. (2025)

What the study asked

Li and colleagues examined how sensory processing, core ADHD symptoms, autistic traits, and oppositional-defiant symptoms were related within a large clinical sample of children with ADHD.

The study is useful because it did not only ask whether two variables were correlated. It used network models to examine which symptom domains remained connected after accounting for the other variables and which nodes acted as bridges between domains.

⚠️

The directed network contains arrows, but it is not a causal map. The data were cross-sectional. The study can generate hypotheses about possible directions; it cannot show that sensory differences cause ADHD, autistic traits, or oppositional behavior.

Study design

  • Sample: 2,676 children with ADHD, ages 6–11, recruited from Peking University Sixth Hospital in China
  • Mean age: 8.62 years
  • Sex: 2,207 boys and 469 girls
  • Medication: psychoactive-drug naïve
  • Other inclusion criteria: FSIQ ≥ 70
  • Autism spectrum disorder was excluded as a clinical diagnosis
  • Design: observational, cross-sectional network analysis

Measures

  • ADHD symptoms: parent-rated ADHD Rating Scale-IV
  • ODD symptoms: items from the Children’s Clinical Diagnostic Interview Scale
  • sensory processing: Child Sensory Integration Scale, including vestibular-balance, hypersensory, and proprioception domains
  • autistic traits: a score derived from selected Child Behavior Checklist subscales

The autistic-trait measure is important to interpret carefully: it was not an autism-specific diagnostic instrument. The study excluded children with an ASD diagnosis while still examining variation in CBCL-derived autistic traits within the ADHD sample.

What the researchers found

Sensory processing was connected more closely with ADHD and autistic-trait clusters than with ODD

In the undirected network, sensory-processing variables were linked with both ADHD symptoms and autistic traits. ODD symptoms were comparatively more isolated.

This does not mean sensory processing explains ADHD or that oppositional behavior is unimportant. It means that, within this particular statistical network, the conditional associations between sensory variables and ADHD/autistic-trait variables were stronger than the cross-domain links involving ODD.

Hypersensory features and social-problem autistic-trait scores were especially central

The two nodes with the highest expected-influence and bridge-influence values were:

  • ATs_S: the CBCL-derived autistic-trait social-problems cluster
  • SP_HS: the hypersensory cluster

That makes sensory sensitivity and social functioning particularly interesting for further research, but a highly central node is not automatically a cause or the best treatment target.

The directed graph placed sensory variables relatively high in the network

The Bayesian directed acyclic graph placed sensory variables—especially proprioception—relatively high, with ADHD variables appearing farther downstream. Two example pathways highlighted by the authors were:

  • proprioception → social-problem autistic traits → impulsivity
  • proprioception → withdrawn/depressed autistic traits → inattention

These are model-derived conditional directions, not demonstrated developmental pathways.

The pattern was fairly similar across sex and age subgroups

The authors did not find a statistically significant difference in overall network structure or global strength between boys and girls. The hypersensory and social-problem nodes remained prominent in both sex groups and across the age subgroups.

The sample, however, included 2,207 boys and only 469 girls. This study therefore should not be used to claim that sensory processing works identically in boys and girls with ADHD.

What the study cannot tell us

  • It cannot establish that sensory-processing differences cause ADHD symptoms.
  • It cannot establish that ADHD is “secondary to” sensory-processing problems, despite the authors raising that hypothesis in their discussion.
  • It cannot establish that treating sensory processing will reduce ADHD symptoms.
  • It cannot show that the network pattern is unique to ADHD because there was no non-ADHD control group.
  • All major measures were parent-reported; there were no teacher reports or observational sensory measures in the network.
  • The autistic-trait score came from CBCL items rather than an autism-specific validated instrument.
  • Many cross-domain associations were statistically significant but modest.
  • The findings come from a Chinese clinical sample of children ages 6–11 and should not automatically be generalized to adults, ADHD women, or all cultural settings.

Be especially cautious with the treatment claim

The authors cite an earlier pilot randomized study in which 27 children received either methylphenidate alone or methylphenidate plus balance training. The combined group showed improvement on some teacher-rated outcomes after six months.

That study is interesting but extremely small. It does not establish sensory or balance training as a treatment for ADHD generally, and it does not prove the causal model proposed in the present network study.

Feng et al., 2020/2021 — PubMed

Practical clinical translation

A useful way to apply this study is not to relabel ADHD or oppositional behavior as sensory problems.

Instead, it strengthens the case for asking about sensory context when a child is struggling with:

  • hyperactivity or constant movement
  • irritability
  • social participation
  • refusal or apparent opposition
  • attention in busy environments
  • body awareness or coordination
  • escalating behavior in sensory-heavy settings

The formulation can become broader:

What is the child being asked to process sensory-wise, socially, cognitively, emotionally, and behaviorally at the same time?

That question can identify accommodations or supports without requiring us to claim that sensory processing is the underlying cause of the child’s ADHD.

How this fits with the larger sensory literature

A 2025 systematic review and meta-analysis of 30 studies involving 5,374 participants found more sensory sensitivity, avoidance, seeking, and low registration in ADHD groups than controls, while also finding substantial heterogeneity across studies.

This Li et al. study adds something different: it examines how sensory variables sit inside a network of ADHD, autistic-trait, and ODD symptom dimensions within children already diagnosed with ADHD.

It also complements the 2026 adolescent tactile study in this wiki, which found stronger real-world tactile sensitivity and avoidance but no clear group differences on narrow laboratory tactile-threshold measures.

Related research:

🖐️Sensory Processing, Tactile Differences, and Behavior in Adolescents With ADHD — Buyuktaskin et al. (2026)

ADHD and Sensory Sensitivity in Women

Source

Li J, Gao Y, Dong M, et al. The relationship of sensory processing with ADHD and its co-occurring behavioural symptoms based on both undirected and directed network analysis. BMC Psychiatry. 2025;25:1187.

Final BMC Psychiatry article

PubMed — PMID 41257654

DOI

The uploaded PDF is the accepted-manuscript version. The final version was published November 19, 2025.