作者
Anna Alonso-Solís, Yolanda Vives-Gilabert, Eva Grasa, Maria J Portella, Mireia Rabella, Rosa Blanca Sauras, Alexandra Roldán, Fidel Núñez-Marín, Beatriz Gómez-Ansón, Víctor Pérez, Enric Alvarez, Iluminada Corripio
发表日期
2015/2/1
期刊
Schizophrenia research
卷号
161
期号
2-3
页码范围
261-268
出版商
Elsevier
简介
To understand the neural mechanism that underlies treatment resistant auditory verbal hallucinations (AVH), is still an important issue in psychiatric research. Alterations in functional connectivity during rest have been frequently reported in patients with schizophrenia. Though the default mode network (DN) appears to be abnormal in schizophrenia patients, little is known about its role in resistant AVH. We collected resting-state functional magnetic resonance imaging (R-fMRI) data with a 3 T scanner from 19 schizophrenia patients with chronic AVH resistant to pharmacological treatment, 14 schizophrenia patients without AVH and 20 healthy controls. Using seed-based correlation analysis, we created spherical seed regions of interest (ROI) to examine functional connectivity of the two DN hub regions (posterior cingulate cortex and anteromedial prefrontal cortex) and the two DN subsystems: dorsomedial prefrontal …
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