Neural correlates of reversal learning in severe mood dysregulation and pediatric bipolar disorder

Nancy E. Adleman, Reilly Kayser, Daniel Dickstein, Robert James Blair, Daniel Pine, Ellen Leibenluft

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Objective: Outcome and family history data differentiate children with severe mood dysregulation (SMD), a syndrome characterized by chronic irritability, from children with "classic" episodic bipolar disorder (BD). Nevertheless, the presence of cognitive inflexibility in SMD and BD highlights the need to delineate neurophysiologic similarities and differences between the two patient groups. Functional magnetic resonance imaging was used to examine neural correlates of cognitive flexibility deficits in patients with SMD and BD versus healthy volunteers (HV). Method: During functional magnetic resonance imaging, subjects completed a response reversal task that assessed cognitive flexibility (n = 22 with SMD, 26 with BD, 34 HV). Task effects were examined in four regions of interest: caudate, cingulate gyrus, inferior frontal gyrus (IFG), and ventromedial prefrontal cortex. Results: Diagnosis-by-accuracy interactions emerged in the caudate and IFG. In these regions, the difference in activation was calculated between incorrect and correct trials. In the caudate, this value was smaller in subjects with SMD and with BD than in HV. In the IFG, however, this value was smaller in subjects with SMD than in those with BD and in HV. Post hoc analyses indicated that comorbid attention-deficit/ hyperactivity disorder in patients may influence the caudate findings. Exploratory whole-brain analysis confirmed the caudate and IFG findings. In addition, other regions differentiating SMD from BD were identified (e.g., superior parietal lobule/precuneus and inferior temporal gyrus). Conclusions: In response to errors, similar perturbations occur in the caudate for youth with SMD and BD compared with HV youth. IFG deficits, in contrast, manifest in youth with SMD, but not with BD.

Original languageEnglish (US)
Pages (from-to)1173-1185.e2
JournalJournal of the American Academy of Child and Adolescent Psychiatry
Volume50
Issue number11
DOIs
StatePublished - Jan 1 2011

Fingerprint

Reversal Learning
Bipolar Disorder
Pediatrics
Prefrontal Cortex
Healthy Volunteers
Mood Disorders
Parietal Lobe
Magnetic Resonance Imaging
Gyrus Cinguli
Temporal Lobe
Attention Deficit Disorder with Hyperactivity

Keywords

  • bipolar disorder
  • functional magnetic resonance imaging
  • pediatric
  • response reversal
  • severe mood dysregulation

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Psychiatry and Mental health

Cite this

Neural correlates of reversal learning in severe mood dysregulation and pediatric bipolar disorder. / Adleman, Nancy E.; Kayser, Reilly; Dickstein, Daniel; Blair, Robert James; Pine, Daniel; Leibenluft, Ellen.

In: Journal of the American Academy of Child and Adolescent Psychiatry, Vol. 50, No. 11, 01.01.2011, p. 1173-1185.e2.

Research output: Contribution to journalArticle

Adleman, Nancy E. ; Kayser, Reilly ; Dickstein, Daniel ; Blair, Robert James ; Pine, Daniel ; Leibenluft, Ellen. / Neural correlates of reversal learning in severe mood dysregulation and pediatric bipolar disorder. In: Journal of the American Academy of Child and Adolescent Psychiatry. 2011 ; Vol. 50, No. 11. pp. 1173-1185.e2.
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