抑郁症认知易感者杏仁核体积的研究

被引:9
作者
张小崔 [1 ]
廖坚 [2 ]
朱雪玲 [1 ]
肖晶 [1 ]
姚树桥 [1 ]
机构
[1] 中南大学湘雅二医院医学心理研究所
[2] 中南大学湘雅三医院放射科
关键词
抑郁症; 认知易感性; 杏仁核; 磁共振成像;
D O I
10.16128/j.cnki.1005-3611.2011.01.013
中图分类号
R749.4 [情感性精神病];
学科分类号
摘要
目的:比较基于最弱连接理论确认的抑郁症认知易感者与首发重性抑郁症患者杏仁核体积的差异,探讨在抑郁症发生过程中杏仁核体积变化的特点。方法:应用磁共振成像(MRI)检测29例抑郁症认知易感者、27例未用药首发重性抑郁症患者及25例健康对照者的杏仁核体积。结果:三组被试的右侧杏仁核体积存在显著组间差异,F(2,78)=5.467,P<0.001,其中抑郁症认知易感者组杏仁核体积显著小于首发重性抑郁症组的,但与健康对照组两侧杏仁核体积均无显著差异;抑郁症认知易感者组左、右两侧杏仁核体积与其CSQ结果认知因子得分均呈正相关(r=0.371,P<0.05;r=0.399,P<0.05)。结论:基于最弱连接理论确认的抑郁症认知易感者杏仁核体积显著小于首发重性抑郁症患者杏仁核体积,但与健康对照组无显著差异;抑郁症认知易感者杏仁核体积与事件结果负性认知过程有一定关联。
引用
收藏
页码:10 / 13
页数:4
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