Abstract:
:Schizophrenia is considered a connectivity disorder. Further, the functional connectivity (FC) of the default-mode network (DMN) has gained the interest of researchers. However, few studies have been conducted on the abnormal connectivity of DMN in early-onset schizophrenia (EOS). In this study, the key brain regions of the DMN were used as seed regions to analyze the FC of the whole brain in EOS. When the seed was located in the medial prefrontal cortex (mPFC), patients with EOS exhibited decreased FC between mPFC and other brain regions compared with healthy controls (voxel P value < 0.001, cluster P value < 0.05, Gaussian random field corrected). When the seed was located in the posterior cingulate cortex (PCC), the FC between PCC and other brain regions was enhanced and weakened (voxel P value < 0.001, cluster P value < 0.05, Gaussian random field corrected), and PCC connectivity with the right parahippocampal gyrus was associated with Positive and Negative Syndrome Scale scores for the general score (r = -0.315, P = 0.02). The results showed that the FC within the DMN and that between DMN and visual networks were abnormal, suggesting that the DMN might be involved in the pathogenesis of EOS.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Peng Y,Zhang S,Zhou Y,Song Y,Yang G,Hao K,Yang Y,Li W,Lv L,Zhang Ydoi
10.1016/j.psychres.2020.113578subject
Has Abstractpub_date
2021-01-01 00:00:00pages
113578eissn
0165-1781issn
1872-7123pii
S0165-1781(20)33239-Xjournal_volume
295pub_type
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