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Abnormal amygdala subregional-sensorimotor connectivity correlates with positive symptom in schizophrenia.

Abstract：

:Altered resting-state functional connectivity (rsFC) of the amygdala has been demonstrated to be implicated in schizophrenia neuronal pathophysiology. However, whether rsFC of amygdala subregions is differentially affected in schizophrenia remains unclear. This study compared the functional networks of each amygdala subdivision between healthy controls (HC) and patients with first-episode schizophrenia (FES). In total, 47 HC and 78 patients with FES underwent resting-state functional magnetic resonance imaging. The amygdala was divided into the following three subregions using the Juelich histological atlas: basolateral amygdala (BLA), centromedial amygdala (CMA), and superficial amygdala (SFA). The rsFC of the three amygdala subdivisions was computed and compared between the two groups. Significantly increased rsFC of the right CMA with the right postcentral gyrus and decreased rsFC of the right BLA with the left precentral gyrus were observed in the FES group compared with the HC group. Notably, the right BLA-left precentral gyrus connectivity was negatively correlated with positive symptoms and conceptual disorganization in patients with FES. In conclusion, this study found that patients with FES had abnormal functional connectivity in the amygdala subregions, and the altered rsFC was associated with positive symptoms. The present findings demonstrate the disruptive rsFC patterns of amygdala subregional-sensorimotor networks in FES and may provide new insights into the neuronal pathophysiology of FES.

journal_name

Neuroimage Clin

journal_title

NeuroImage. Clinical

authors

Zhang M,Yang F,Fan F,Wang Z,Hong X,Tan Y,Tan S,Hong LE

doi

10.1016/j.nicl.2020.102218

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

102218

issn

2213-1582

pii

S2213-1582(20)30055-3

journal_volume

26

pub_type

杂志文章

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