Assessment & Research

Weak central coherence in neurodevelopmental disorders: a comparative study.

Gambra et al. (2024) · Frontiers in Psychology 2024
★ The Verdict

Weak central coherence appears in autism, NVLD, and SCD, so check all three before picking an intervention.

✓ Read this if BCBAs doing cognitive assessments with school-age children who have social or learning issues.
✗ Skip if Clinicians who only work with adults or single-diagnosis autism clinics that never see NVLD or SCD.

01Research in Context

01

What this study did

Gambra et al. (2024) compared weak central coherence across four groups of children. The groups were autism, ADHD-only, NVLD plus ADHD, and social communication disorder. A control group of typically developing kids was also tested.

All children completed the same pencil-and-paper visual tasks. The tasks measured how well they saw the big picture instead of tiny details.

02

What they found

Kids with NVLD+ADHD, social communication disorder, and autism all showed weaker central coherence. The ADHD-only group scored the same as controls.

In plain words, trouble seeing the big picture is not just an autism trait. It also appears in NVLD and SCD.

03

How this fits with other research

Beaumont et al. (2006) looked at adults with high-functioning autism and found no central-coherence deficit. Gambra et al. now show a deficit in children. The gap is likely about age and skill level, not a true clash.

Carter et al. (2011) saw enhanced local visual processing in low-functioning deaf and hearing children with autism. Gambra’s team broadens the idea: weak coherence also shows up in NVLD and SCD, not just autism.

Leung et al. (2014) showed that semantic big-picture cues did not help autistic kids remember visual patterns. Gambra’s finding supports this and adds that similar memory patterns may occur in NVLD and SCD.

04

Why it matters

If a child struggles to see the whole picture, do not assume autism is the only cause. Screen for NVLD and SCD as well. Use the same visual coherence tasks during intake. Tailor lessons to build big-picture skills for any child who shows this pattern, no matter the label.

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Add one quick big-picture visual task, like the Rey Complex Figure copy, to your intake packet and score global strategy, not just accuracy.

02At a glance

Intervention
not applicable
Design
quasi experimental
Sample size
252
Population
autism spectrum disorder, adhd, mixed clinical
Finding
negative

03Original abstract

Central coherence is the normal tendency to process and give meaning to incoming information taking into account the context or global view of that information. We assessed the central coherence of 252 school children of normal intelligence between 6 and 11 years old. We compared the performance of two groups: (a) a control group (n = 194), and (b) a clinical group (n = 58) comprising children with NVLD+ADHD (n = 24), ADHD alone (n = 16), SCD (n = 8) and level-1ASD (n = 10) (Kluskall-Wallis H and Mann-Whitney U were calculated to make comparisons within groups and between pairs of groups). The effects of medication were studied (Student’s t test). The NVLD+ADHD, SCD and ASD1 groups showed weak central coherence. The performance of the ADHD group was normal and differed significantly from the NVLD+ADHD group. Central coherence deficit was not exclusive to ASD1: it also characterizes NVLD and SCD.

Frontiers in Psychology, 2024 · doi:10.3389/fpsyg.2024.1348074