Anterior cingulate volume in pediatric bipolar disorder and autism

Sufen Chiu, Felicia Widjaja, Marsha E. Bates, Gerald T. Voelbel, Gahan Pandina, Joelle Marble, Jeremy A. Blank, Josh Day, Norman Brule, Robert L. Hendren

Research output: Contribution to journalArticlepeer-review


Background: An increasing number of studies indicate the anterior cingulate gyrus (ACG) may play a role in the attention deficits associated with pediatric bipolar disorder (BD). Age, medications, and intelligence quotient (IQ) may affect ACG volume; few studies have controlled for these effects. Methods: We recruited 16 children with BD and 24 children with autism spectrum disorder (ASD); 15 children with no psychiatric diagnosis (NP) were also included. All participants were evaluated with the K-SADS and a DSM-IV Autism/Asperger's Checklist; the ADI-R was also administered to ASD participants shortly after the study began. The participants completed a brain MRI scan on a 1.5Tesla Signa GE scanner. We segmented the ACG and compared left and right ACG volumes between groups. The influence of medications on the ACG volume was assessed while controlling for the effects of age and IQ. Results: The left ACG volume was significantly smaller in the BD group compared to the NP (p = 0.004) and ASD (p = 0.006) groups. No significant differences were found in the right ACG volume. These differences do not appear to be attributable to medication use or IQ. Conclusions: Pediatric BD patients have a smaller left ACG volume compared to NP children and children diagnosed with ASD. This replication and extension of previous studies suggest that the ACG volume abnormality may be a biomarker for BD.

Original languageEnglish (US)
Pages (from-to)93-99
Number of pages7
JournalJournal of Affective Disorders
Issue number1-3
StatePublished - Jan 2008


  • Anterior cingulate gyrus
  • Autism spectrum disorder
  • Bipolar disorder
  • Medication effects
  • Neuroimaging
  • Region of interest segmentation
  • pediatric mental health
  • pediatric bipolar disorder

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Behavioral Neuroscience
  • Biological Psychiatry
  • Neurology
  • General Psychology


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