Aberrant executive attention in unaffected youth at familial risk for mood disorders
- PMID: 22980403
- PMCID: PMC3526671
- DOI: 10.1016/j.jad.2012.08.020
Aberrant executive attention in unaffected youth at familial risk for mood disorders
Abstract
Background: Aberrant attentional processes in individuals with mood disorders - bipolar disorder (BD) and major depressive disorder (MDD) - have been well documented. This study examined whether unaffected youth at familial risk for mood disorders would exhibit poor alerting, orienting, and executive attention relative to age-matched controls.
Methods: A sample of youth (8-17 years old) having one parent with either BD or MDD (Mood-Risk, n=29) and youth having healthy parents (HC, n=27) completed the Attention Network Test-Short version (ANT-S), which assesses alerting, orienting, and executive attention.
Results: Relative to HCs, the Mood-Risk group had significantly slower reaction times on an index of executive attention, but no differences on indices of alerting or orienting. There were no differences between the two at-risk groups (i.e., youth with BD parent vs. youth with MDD parent) on any ANT-S measure.
Limitations: The current study is limited by its cross-sectional design, small sample size, and failure to control for familial environmental factors.
Conclusions: The findings extend previous results indicating that altered executive attention may represent an endophenotype for mood disorders in at-risk youth.
Copyright © 2012 Elsevier B.V. All rights reserved.
Conflict of interest statement
Dr. Birmaher has received royalties for publications from Random House, Inc. (New Hope for Children and Teens with Bipolar Disorder) and Lippincott Williams & Wilkins (Treating Child and Adolescent Depression). The other authors declare that they have no competing financial interests, or other interests that might be perceived to influence the results and discussion reported in the paper.
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