Brain structure and executive functions in children with cerebral palsy: a systematic review.
Only six small studies link CP brain scans to executive skills, so don't bank on fancy neuro-tests yet.
01Research in Context
What this study did
Weierink et al. (2013) hunted for every paper that linked brain scans and executive-function scores in kids with cerebral palsy.
They kept only six studies. None used fMRI. All had tiny samples and mixed tests.
What they found
Kids with CP scored lower on executive-function tasks in every paper, but the tools were too different to pool.
The authors call the evidence base 'thin' and warn against firm claims.
How this fits with other research
Falk et al. (2014) also found brain-structure problems, but in congenital hemiparesis and with clear DTI metrics. Their single-case design gives sharper pictures than the scattered measures Lonneke saw.
Espín-Tello et al. (2017) shift focus outward: more than half of European children with CP still lack basic environmental aids. Poor executive skills may matter less if desks, toilets, and buses are unreachable.
Tsibidaki (2020) adds a family lens: Greek and Italian parents feel strong and cohesive. Coaching can tap these strengths while we wait for better EF data.
Why it matters
For now, assume EF gaps exist but test them yourself with tools you trust. Pair results with family goals and environmental fixes. Push for bigger imaging studies before buying any 'brain-training' product.
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02At a glance
03Original abstract
This systematic review aimed to establish the current knowledge about brain structure and executive function (EF) in children with cerebral palsy (CP). Five databases were searched (up till July 2012). Six articles met the inclusion criteria, all included structural brain imaging though no functional brain imaging. Study quality was assessed using the STROBE checklist. All articles scored between 58.7% and 70.5% for quality (100% is the maximum score). The included studies all reported poorer performance on EF tasks for children with CP compared to children without CP. For the selected EF measures non-significant effect sizes were found for the CP group compared to a semi-control group (children without cognitive deficits but not included in a control group). This could be due to the small sample sizes, group heterogeneity and lack of comparison of the CP group to typically developing children. The included studies did not consider specific brain areas associated with EF performance. To conclude, there is a paucity of brain imaging studies focused on EF in children with CP, especially of studies that include functional brain imaging. Outcomes of the present studies are difficult to compare as each study included different EF measures and cortical abnormality measures.
Research in developmental disabilities, 2013 · doi:10.1016/j.ridd.2013.01.035