Aberrant functional connectivity of inhibitory control networks in children with autism spectrum disorder

Willa Voorhies, Dina R. Dajani, Shruti G. Vij, Sahana Shankar, Turel Ozerk Turan, Lucina Q. Uddin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Development of inhibitory control is a core component of executive function processes and a key aspect of healthy development. Children with autism spectrum disorder (ASD) show impairments in performance on inhibitory control tasks. Nevertheless, the research on the neural correlates of these impairments is inconclusive. Here, we explore the integrity of inhibitory control networks in children with ASD and typically developing (TD) children using resting state functional Magnetic Resonance Imagaing (MRI). In a large multisite sample, we find evidence for significantly greater functional connectivity (FC) of the right inferior frontal junction (rIFJ) with the posterior cingulate gyrus, and left and right frontal poles in children with ASD compared with TD children. Additionally, TD children show greater FC of rIFJ with the superior parietal lobule (SPL) compared with children with ASD. Furthermore, although higher rIFJ-SPL and rIFJ-IPL FC was related to better inhibitory control behaviors in both ASD and TD children, rIFJ-dACC FC was only associated with inhibitory control behaviors in TD children. These results provide preliminary evidence of differences in intrinsic functional networks supporting inhibitory control in children with ASD, and provide a basis for further exploration of the development of inhibitory control in children with the disorder. Autism Research 2018, 11: 1468–1478.

Original languageEnglish (US)
Pages (from-to)1468-1478
Number of pages11
JournalAutism Research
Volume11
Issue number11
DOIs
StatePublished - Nov 2018

Keywords

  • autism spectrum disorder
  • brain development
  • functional connectivity
  • inhibitory control
  • resting-state fMRI

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology
  • Genetics(clinical)

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