Frontoparietal Network in Executive Functioning in Autism Spectrum Disorder.
Across 16 imaging studies, people with ASD activate prefrontal areas during executive tasks but miss parietal teammates—hinting at frontoparietal connectivity targets for intervention.
01Research in Context
What this study did
The team pooled 16 brain-scan papers that watched people with and without autism do executive tasks.
They counted how hard the front and side brain areas lit up in each study.
All together, 739 brains were scanned while kids or adults tried to plan, shift, or hold rules in mind.
What they found
People with autism turned on the front part of the brain much like typical people.
But the side, parietal teammates stayed quiet, giving a patchy network picture.
The result says executive trouble in autism is more about weak team links than a broken leader.
How this fits with other research
Lin et al. (2025) saw the same patchy links, yet they scanned brains at rest.
The tasks were off, the pattern stayed, so the weak link is stable, not stress-driven.
Audras-Torrent et al. (2021) found less focused semantic brain spots; together the papers show frontal areas work, yet miss helpers across tasks.
Braden et al. (2017) pushed the story into mid-life, proving the gap does not close with age.
Why it matters
You now know the executive gap is a wiring gap, not a missing engine.
When you teach planning or shifting, add parietal primes such as spatial cues or body turns to pull the side network in.
Track both brain and behavior targets; the behavior may improve before the scan changes, giving you two victory lines.
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02At a glance
03Original abstract
Higher cognitive functions in autism spectrum disorder (ASD) are characterized by impairments in executive functions (EF). While some research attributes this to an overreliance of the prefrontal cortex (PFC), others demonstrate poor recruitment of the PFC in individuals with ASD. In order to assess the emerging consensus across neuroimaging studies of EF in ASD, the current study used a coordinate-based activation likelihood estimation (ALE) analysis of 16 functional magnetic resonance imaging (fMRI) studies, resulting in a meta-analysis of data from 739 participants (356 ASD, 383 typically developing [TD] individuals) ranging from 7 to 52 years of age. Within-group analysis of EF tasks revealed that both TD and ASD participants had significant activity in PFC regions. Analysis of group differences indicated greater activation in ASD, relative to TD participants, in the right middle frontal gyrus and the anterior cingulate cortex, and lesser activation in the bilateral middle frontal, left inferior frontal gyrus, right inferior parietal lobule, and precuneus. Although both ASD and TD participants showed similar PFC activation, there was differential recruitment of wider network of EF regions such as the IPL in ASD participants. The under-recruitment of parietal regions may be due to poor connectivity of the frontoparietal networks with other regions during EF tasks or a restricted executive network in ASD participants which is limited primarily to the PFC. These results support the executive dysfunction hypothesis of ASD and suggests that poor frontoparietal recruitment may underlie some of the EF difficulties individuals with ASD experience. LAY SUMMARY: This study reports a meta-analysis of 16 brain imaging studies of executive functions (EF) in individuals with autism spectrum disorder (ASD). While parts of the brain's EF network is activated in both ASD and control participants, the ASD group does not activate a wider network of EF regions such as the parietal cortex. This may be due to poor EF network connectivity, or a constrained EF network in ASD participants. These results may underlie some of the EF difficulties individuals with ASD experience. Autism Res 2020, 13: 1762-1777. © 2020 International Society for Autism Research and Wiley Periodicals LLC.
Autism research : official journal of the International Society for Autism Research, 2020 · doi:10.1002/aur.2403