Assessment & Research

Neural Correlates of Set-Shifting in Children With Autism.

Yerys et al. (2015) · Autism research : official journal of the International Society for Autism Research 2015
★ The Verdict

Autistic kids can switch tasks fine, yet their frontal lobes hustle overtime—so trim transition clutter and give processing space.

✓ Read this if BCBAs running classroom or clinic sessions with school-age autistic learners.
✗ Skip if Clinicians focused only on infant joint-attention or adult social skills.

01Research in Context

01

What this study did

Austin et al. (2015) scanned autistic and typical kids while they switched sorting rules.

The kids matched pictures by color or shape.

Researchers watched which brain areas lit up.

02

What they found

Both groups sorted equally well.

Autistic kids used more frontal brain power to do it.

Their brains worked harder for the same result.

03

How this fits with other research

Older papers saw poor shifting on card sorts.

Ozonoff et al. (2004) and Kaland et al. (2008) found real WCST errors.

Austin et al. (2015) shows the trouble is neural efficiency, not skill.

Higgins et al. (2021) later argued WCST errors come from slow punishment learning, not shifting.

Together the papers say: kids can shift, but extra brain load or slow feedback trips them up.

04

Why it matters

You can stop drilling basic shifting.

Instead, cut extra steps, give clear cues, and allow pause time.

Your learner’s brain will thank you.

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→ Action — try this Monday

Before each task change, show a one-word visual cue and count a quiet three-second beat.

02At a glance

Intervention
not applicable
Design
quasi experimental
Sample size
39
Population
autism spectrum disorder, neurotypical
Finding
not reported

03Original abstract

Autism spectrum disorder (ASD) is often associated with high levels of inflexible thinking and rigid behavior. The neural correlates of these behaviors have been investigated in adults and older adolescents, but not children. Prior studies utilized set-shifting tasks that engaged multiple levels of shifting, and depended on learning abstract rules and establishing a strong prepotent bias. These additional demands complicate simple interpretations of the results. We used functional magnetic resonance imaging (fMRI) to investigate the neural correlates of set-shifting in 20 children (ages 7-14) with ASD and 19 typically developing, matched, control children. Participants completed a set-shifting task that minimized nonshifting task demands through the use of concrete instructions that provide spatial mapping of stimuli-responses. The shift/stay sets were given an equal number of trials to limit the prepotent bias. Both groups showed an equivalent "switch cost," responding less accurately and slower to Switch stimuli than Stay stimuli, although the ASD group was less accurate overall. Both groups showed activation in prefrontal, striatal, parietal, and cerebellum regions known to govern effective set-shifts. Compared to controls, children with ASD demonstrated decreased activation of the right middle temporal gyrus across all trials, but increased activation in the mid-dorsal cingulate cortex/superior frontal gyrus, left middle frontal, and right inferior frontal gyri during the Switch vs. Stay contrast. The successful behavioral switching performance of children with ASD comes at the cost of requiring greater engagement of frontal regions, suggesting less efficiency at this lowest level of shifting.

Autism research : official journal of the International Society for Autism Research, 2015 · doi:10.1037/a0031299