Changes in brain activation following psychotherapy for youth with mood dysregulation at familial risk for bipolar disorder.
Changes in brain activation following psychotherapy for youth with mood dysregulation at familial risk for bipolar disorder.
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DOI：
10.1016/j.pnpbp.2014.09.007
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发表时间：
2015-01-02
影响因子：
5.6
通讯作者：
Chang, Kiki D.
中科院分区：
文献类型：
--
作者：
Garrett, Amy S.;Miklowitz, David J.;Howe, Meghan E.;Singh, Manpreet K.;Acquaye, Tenah K.;Hawkey, Christopher G.;Glover, Gary H.;Reiss, Allan L.;Chang, Kiki D.
Psychotherapy for youth with mood dysregulation can help to stabilize mood and improve functioning, but the neural mechanisms of this improvement are not known. In this study we investigated changes in brain activation underlying improvement in mood symptoms. Twenty-four subjects (ages 13–17) participated: 12 patients with clinically significant symptoms of depression and/or mania, and 12 healthy comparison subjects (HC) matched for age and sex. All subjects completed functional magnetic resonance imaging while viewing facial expressions. The patients then received up to 4 months of psychotherapy and were rescanned at end of treatment. Whole brain differences between patient and control groups were assessed with a voxel wise analysis. Changes in activation from pre to post treatment within the patient group were tested for correlation with changes in mood symptoms At baseline the patient group had hypoactivation in the DLPFC and hyperactivation in the posterior cingulate cortex compared to the HC group. Between pre- and post-treatment activation increased in the DLPFC and decreased in the amygdala. Increases in DLPFC activation were significantly correlated with improvement in mania symptoms. Enhancement of frontal executive control brain regions may underlie improvement in mood dysregulation in pediatric patients at familial risk for bipolar disorder.
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