作者: Ewelina Rzepa , Ciara McCabe
DOI: 10.1016/J.JPSYCHIRES.2016.07.013
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摘要: Previous studies have found dysfunctional resting state functional connectivity (RSFC) in depressed patients. Examining RSFC might aid biomarker discovery for depression. However young people at risk of depression has yet to be examined. 35 healthy adolescents (13–18 yrs old.) were recruited. 17 scoring high on the Mood and Feelings Questionnaire (MFQ > 27 (High Risk: HR), 18 low MFQ < 15 (Low LR) matched age gender. We selected seed regions salience network (SN: amygdala pregenual anterior cingulate cortex (pgACC)) central executive (CEN: dorsal medial prefrontal (dmPFC)). anhedonia measures correlated with brain connectivity. We decreased HR group between pgACC hippocampus precuneus. also putamen dmPFC The insula/orbitofrontal inversely anticipation pleasure all subjects. Increased was observed temporal pole compared LR group. Our findings are first show that symptoms seeds SN CEN nodes Default Mode Network. As increased insula ability anticipate pleasure, we suggest this mechanism underlying experiencing anhedonia, a suggested