QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于静息态fMRI低频振幅的首发抑郁症与功能脑区关联研究

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Date of Publication:2015-09-15

Journal:数据采集与处理

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:30

Issue:5

Page Number:940-947

ISSN No.:1004-9037

Key Words:功能磁共振;静息态;抑郁症;低频振幅

Abstract:利用功能磁共振成像(Functional magnetic resonance imaging,fMRI)技术,研究静息态下首发抑郁症患者脑功能的改变.采用Siemens3.0T磁共振仪对5名首发抑郁症患者和1名性别年龄相仿的正常对照志愿者进行静息态fMRI采集,采用低频振幅(Amplitude of low-frequency fluctuation,ALFF)的方法分析数据,进行双样本t检验后分析静息态脑功能的差异.结果发现,抑郁症组大脑左侧小脑6区、左侧颞下回、双侧尾状核、右侧舌回、左侧眶部额上回、右侧中央沟盖、右侧前扣带和旁扣带脑回、右侧额中回、右侧岛盖部额下回、右侧补充运动区、左侧顶上回、右侧中央后回、右侧背外侧额上回ALFF降低.首发抑郁症患者大脑的额叶、颞叶、扣带回及尾状核等位置存在功能异常,这些区域的异常与情绪、认知、记忆等领域有关,与抑郁症息息相关.

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