Altered insula resting-state functional connectivity correlates with impaired cognitive control in children with

Xiaoyi Li1, Shaorui Wang1, Mingyue Xiao1

  • 1Faculty of Psychology, Southwest University, Chongqing, 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing, China; Research Center of Psychology and Social Development, Faculty of Psychology, Southwest University, Chongqing, China.

Appetite
|January 15, 2026
PubMed

Insights

Emotional undereating (EUE) in children is linked to impaired cognitive control. Brain scans reveal differences in prefrontal cortex and insula connectivity in children with high EUE, suggesting a neural basis for this behavior.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pediatric Health

Background:

  • Emotional undereating (EUE) is a common childhood behavior in response to negative emotions.
  • The underlying causes and neurobiological mechanisms of EUE in children are not well understood.

Purpose of the Study:

  • To investigate the neurobiological underpinnings of emotional undereating in children.
  • To identify potential neural markers associated with cognitive control in EUE.

Main Methods:

  • 91 children (aged 9-12) completed the Children Eating Behavior Questionnaire (EUE subscale).
  • Resting-state functional magnetic resonance imaging (rsFC) was performed on all participants.
  • A subset of participants (n=43) completed an arrow task, and 78 were followed up after one year.

Main Results:

  • Children with high EUE showed fewer errors but longer reaction times on the arrow task, indicating over-control.
  • High EUE was associated with decreased rsFC within the prefrontal cortex and altered insula connectivity.
  • rsFC between the insula and temporal lobe mediated the relationship between EUE and arrow task performance.

Conclusions:

  • Impaired cognitive control is associated with emotional undereating in children.
  • Reduced functional connectivity in specific brain regions may represent a stable neural marker for EUE.
  • Findings offer insights into the neurobiology of childhood emotional undereating.

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