Brain Mechanisms of Attention Orienting Following Frustration: Associations With Irritability and Age in Youths

Wan-Ling Tseng1, Christen M Deveney1, Joel Stoddard1

  • 1From the Department of Health and Human Services, Emotion and Development Branch and Scientific and Statistical Computing Core, NIMH, Bethesda, Md.; the Department of Psychiatry and the Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond; the Department of Psychology, Wellesley College, Wellesley, Mass.; the University of Colorado School of Medicine, Aurora, Colo.; the Department of Medicine, Stanford University, Stanford, Calif.; the Departments of Psychology and Neuroscience, University of North Carolina at Chapel Hill; Emory University School of Medicine, Atlanta; the Department of Psychology, University of California at Los Angeles; and University of Michigan Medical School, Ann Arbor.

Insights

Childhood irritability is linked to brain activity in attention and emotion regulation areas. This neural response to frustration is stronger in younger children, suggesting age-specific brain differences in irritability.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Child Psychiatry

Background:

  • Childhood irritability is a prevalent and impairing condition with significant long-term consequences.
  • Age-related changes in irritability manifestations necessitate investigation into developmental neural correlates.
  • Exaggerated responses to frustration in irritable youth highlight the need for neurobiological studies.

Purpose of the Study:

  • To investigate the neural correlates of childhood irritability using a frustration functional MRI (fMRI) paradigm.
  • To examine the associations between irritability and neural activation in response to frustration.
  • To test the moderating effect of age on these irritability-related neural associations.

Main Methods:

  • A transdiagnostic sample of 195 youths (diagnosed with disruptive mood dysregulation disorder, anxiety disorder, attention deficit hyperactivity disorder, or healthy controls) was studied.
  • Irritability was assessed using parent and child reports on the Affective Reactivity Index.
  • A frustration fMRI task was employed to measure neural activity during attention orienting following frustrating feedback.

Main Results:

  • Irritability was associated with neural activation in frontal-striatal regions (dorsolateral prefrontal cortex, inferior frontal gyrus, caudate) during attention orienting post-frustration.
  • Age moderated the irritability-activation link in several frontal and posterior regions (e.g., anterior cingulate cortex, medial frontal gyrus, cuneus).
  • Higher irritability was more strongly associated with increased neural activation in younger children compared to older children.

Conclusions:

  • Irritability in youth is associated with activity in neural systems involved in attention, emotional regulation, and motor control following frustrating experiences.
  • While most associations were age-independent, anterior cingulate cortex and posterior region dysfunction related to irritability was more pronounced in younger children.
  • These findings underscore age-specific neural mechanisms underlying childhood irritability and its response to frustration.
Abstract

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