Abnormal amygdala functional connectivity associated with emotional lability in children with attention-deficit/hyperactivity disorder

Leslie A. Hulvershorn, Maarten Mennes, F. Xavier Castellanos, Adriana Di Martino, Michael P. Milham, Tom A. Hummer, Amy Krain Roy

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Objective A substantial proportion of children with attention-deficit/ hyperactivity disorder (ADHD) also display emotion regulation deficits manifesting as chronic irritability, severe temper outbursts, and aggression. The amygdala is implicated in emotion regulation, but its connectivity and relation to emotion regulation in ADHD has yet to be explored. The purpose of this study was to examine the relationship between intrinsic functional connectivity (iFC) of amygdala circuits and emotion regulation deficits in youth with ADHD. Method Bilateral amygdala iFC was examined using functional magnetic resonance imaging in 63 children with ADHD, aged 6 to 13 years. First, we examined the relationship between amygdala IFC and parent ratings of emotional lability (EL) in children with ADHD. Second, we compared amygdala iFC across subgroups of children with ADHD and high EL (n = 18), ADHD and low EL (n = 20), and typically developing children (TDC), all with low EL (n = 19). Results Higher EL ratings were associated with greater positive iFC between the amygdala and rostral anterior cingulate cortex in youth with ADHD. EL scores were also negatively associated with iFC between bilateral amygdala and posterior insula/superior temporal gyrus. Patterns of amygdala-cortical iFC in ADHD participants with low EL were not different from the comparison group, and the effect sizes for these comparisons were smaller than those for the trend-level differences observed between the high-EL and TDC groups. Conclusions In children with ADHD and a range of EL, deficits in emotion regulation were associated with altered amygdala-cortical iFC. When comparing groups that differed on ADHD status but not EL, differences in amygdala iFC were small and nonsignificant, highlighting the specificity of this finding to emotional deficits, independent of other ADHD symptoms.

Original languageEnglish (US)
Pages (from-to)351-361.e1
JournalJournal of the American Academy of Child and Adolescent Psychiatry
Volume53
Issue number3
DOIs
StatePublished - Mar 2014

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Attention Deficit Disorder with Hyperactivity
Amygdala
Emotions
Gyrus Cinguli
Aggression
Magnetic Resonance Imaging

Keywords

  • amygdala
  • attention-deficit/hyperactivity disorder
  • emotional lability
  • functional magnetic resonance imaging (fMRI)

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Developmental and Educational Psychology

Cite this

Abnormal amygdala functional connectivity associated with emotional lability in children with attention-deficit/hyperactivity disorder. / Hulvershorn, Leslie A.; Mennes, Maarten; Castellanos, F. Xavier; Di Martino, Adriana; Milham, Michael P.; Hummer, Tom A.; Roy, Amy Krain.

In: Journal of the American Academy of Child and Adolescent Psychiatry, Vol. 53, No. 3, 03.2014, p. 351-361.e1.

Research output: Contribution to journalArticle

Hulvershorn, Leslie A. ; Mennes, Maarten ; Castellanos, F. Xavier ; Di Martino, Adriana ; Milham, Michael P. ; Hummer, Tom A. ; Roy, Amy Krain. / Abnormal amygdala functional connectivity associated with emotional lability in children with attention-deficit/hyperactivity disorder. In: Journal of the American Academy of Child and Adolescent Psychiatry. 2014 ; Vol. 53, No. 3. pp. 351-361.e1.
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N2 - Objective A substantial proportion of children with attention-deficit/ hyperactivity disorder (ADHD) also display emotion regulation deficits manifesting as chronic irritability, severe temper outbursts, and aggression. The amygdala is implicated in emotion regulation, but its connectivity and relation to emotion regulation in ADHD has yet to be explored. The purpose of this study was to examine the relationship between intrinsic functional connectivity (iFC) of amygdala circuits and emotion regulation deficits in youth with ADHD. Method Bilateral amygdala iFC was examined using functional magnetic resonance imaging in 63 children with ADHD, aged 6 to 13 years. First, we examined the relationship between amygdala IFC and parent ratings of emotional lability (EL) in children with ADHD. Second, we compared amygdala iFC across subgroups of children with ADHD and high EL (n = 18), ADHD and low EL (n = 20), and typically developing children (TDC), all with low EL (n = 19). Results Higher EL ratings were associated with greater positive iFC between the amygdala and rostral anterior cingulate cortex in youth with ADHD. EL scores were also negatively associated with iFC between bilateral amygdala and posterior insula/superior temporal gyrus. Patterns of amygdala-cortical iFC in ADHD participants with low EL were not different from the comparison group, and the effect sizes for these comparisons were smaller than those for the trend-level differences observed between the high-EL and TDC groups. Conclusions In children with ADHD and a range of EL, deficits in emotion regulation were associated with altered amygdala-cortical iFC. When comparing groups that differed on ADHD status but not EL, differences in amygdala iFC were small and nonsignificant, highlighting the specificity of this finding to emotional deficits, independent of other ADHD symptoms.

AB - Objective A substantial proportion of children with attention-deficit/ hyperactivity disorder (ADHD) also display emotion regulation deficits manifesting as chronic irritability, severe temper outbursts, and aggression. The amygdala is implicated in emotion regulation, but its connectivity and relation to emotion regulation in ADHD has yet to be explored. The purpose of this study was to examine the relationship between intrinsic functional connectivity (iFC) of amygdala circuits and emotion regulation deficits in youth with ADHD. Method Bilateral amygdala iFC was examined using functional magnetic resonance imaging in 63 children with ADHD, aged 6 to 13 years. First, we examined the relationship between amygdala IFC and parent ratings of emotional lability (EL) in children with ADHD. Second, we compared amygdala iFC across subgroups of children with ADHD and high EL (n = 18), ADHD and low EL (n = 20), and typically developing children (TDC), all with low EL (n = 19). Results Higher EL ratings were associated with greater positive iFC between the amygdala and rostral anterior cingulate cortex in youth with ADHD. EL scores were also negatively associated with iFC between bilateral amygdala and posterior insula/superior temporal gyrus. Patterns of amygdala-cortical iFC in ADHD participants with low EL were not different from the comparison group, and the effect sizes for these comparisons were smaller than those for the trend-level differences observed between the high-EL and TDC groups. Conclusions In children with ADHD and a range of EL, deficits in emotion regulation were associated with altered amygdala-cortical iFC. When comparing groups that differed on ADHD status but not EL, differences in amygdala iFC were small and nonsignificant, highlighting the specificity of this finding to emotional deficits, independent of other ADHD symptoms.

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