Graph theory analysis reveals premature ejaculation is a brain disorder with altered structural connectivity and depressive symptom: A DTI-based connectome study.

The European Journal of Neuroscience
Jianhuai ChenJun Hu

Abstract

Recent research has shown that premature ejaculation (PE) is associated with negative psychological effects (e.g., depression) and the decline of control over ejaculation is accompanied by structural and functional abnormalities in specific brain areas and connections. However, little is known about the alterations of topological organization in the brain network of patients with PE and its relationship with depressive symptom. We acquired diffusion tensor images, sexual function and depression assessment in 16 lifelong PE patients with depressive symptom, 16 lifelong PE patients without depression and 32 age- and education-matched healthy controls (HC). The differences in nodal centrality and different hub regions among the three groups were compared. Correlation analyses were conducted between the nodal centrality of brain regions displaying significant group differences and the clinical parameters of PE patients. PE patients with depression had increased nodal degree in the right middle frontal gyrus (orbital part) (ORBmid.R) (survived FDR-correction) compared with HC and PE without depression. PE patients with depression also had increased nodal degree in the left and right posterior cingulate gyrus (PCG.L; PCG.R) compared ...Continue Reading

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