White matter changes with rehabilitation in children with Co-occurring autism spectrum disorder and developmental coordination disorder
Why this work is in the frame
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Bibliographic record
Abstract
Purpose: Up to 88 % of children with autism spectrum disorder (ASD) experience motor difficulties consistent with developmental coordination disorder (DCD). Cognitive Orientation to daily Occupational Performance (CO-OP) intervention is effective for children with co-occurring ASD and DCD to learn motor skills, but it is unknown if treatment-induced brain changes occur in this clinical population. Our objectives were to: (1) investigate changes in white matter microstructure in children with ASD + DCD after CO-OP intervention; (2) determine whether these brain changes are maintained three months after intervention; and (3) explore the relationship of white matter changes with improvements in motor function. Methods: In this quasi-experimental study, 24 children with ASD + DCD (aged 8-12 years) underwent an initial MRI and were randomly assigned to either a treatment or waitlist group. The treatment group received CO-OP intervention (once weekly for 10 weeks), had a second MRI post-intervention, and a follow-up scan three months later. The waitlist group waited three months for their second MRI, received the intervention, and then had a post-treatment scan. Diffusion tensor imaging data were analyzed using tract-based spatial statistics. Results: Children with ASD + DCD showed increased fractional anisotropy in cerebellar white matter in vermal lobule VI and middle cerebellar peduncle after CO-OP (Cohen's d = 0.88 and 0.85, respectively). Brain changes were maintained three months post-intervention. Regression analysis found no relationship between white matter changes and motor outcomes. Conclusions: Improvements in cerebellar white matter pathways in children with ASD + DCD highlight the efficacy of CO-OP interventions as a therapeutic approach for this clinical population. Clinical trials registration: ClinicalTrials.gov ID: NCT04119492.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it