Insula shows abnormal task‐evoked and resting‐state activity in first‐episode drug‐naïve generalized anxiety disorder

2020 ◽  
Vol 37 (7) ◽  
pp. 632-644 ◽  
Author(s):  
Huiru Cui ◽  
Bin Zhang ◽  
Wei Li ◽  
Hui Li ◽  
Jiaoyan Pang ◽  
...  
SLEEP ◽  
2017 ◽  
Vol 40 (suppl_1) ◽  
pp. A418-A418
Author(s):  
EF Pace-Schott ◽  
JP Zimmerman ◽  
RM Bottary ◽  
EG Lee ◽  
MR Milad ◽  
...  

2019 ◽  
Vol 14 (5) ◽  
pp. 1406-1418 ◽  
Author(s):  
Zijuan Ma ◽  
Yuan Zhong ◽  
Christina S. Hines ◽  
Yun Wu ◽  
Yuting Li ◽  
...  

2021 ◽  
Vol 12 ◽  
Author(s):  
Mei Wang ◽  
Lingxiao Cao ◽  
Hailong Li ◽  
Hongqi Xiao ◽  
Yao Ma ◽  
...  

Objective: Although previous studies have reported on disrupted amygdala subregional functional connectivity in generalized anxiety disorder (GAD), most of these studies were conducted in GAD patients with comorbidities or with drug treatment. Besides, whether/how the amygdala subregional functional networks were associated with state and trait anxiety is still largely unknown.Methods: Resting-state functional connectivity of amygdala subregions, including basolateral amygdala (BLA) and centromedial amygdala (CMA) as seed, were mapped and compared between 37 drug-naïve, non-comorbidity GAD patients and 31 age- and sex-matched healthy controls (HCs). Relationships between amygdala subregional network dysfunctions and state/trait anxiety were examined using partial correlation analyses.Results: Relative to HCs, GAD patients showed weaker functional connectivity of the left BLA with anterior cingulate/medial prefrontal cortices. Significantly increased functional connectivity of right BLA and CMA with superior temporal gyrus and insula were also identified in GAD patients. Furthermore, these functional connectivities showed correlations with state and trait anxiety scores.Conclusions: These findings revealed abnormal functional coupling of amygdala subregions in GAD patients with regions involved in fear processing and emotion regulation, including anterior cingulate/medial prefrontal cortex and superior temporal gyrus, which provide the unique biological markers for GAD and facilitating the future accurate clinical diagnosis and target treatment.


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