目的：抑郁症患者存在负性认知模式，本研究旨在探讨男性抑郁症患者识别动态面部表情情绪偏向性的神经基础。
Objective:To explore neural correlates for the explicit recognition of dynamic facial expression in male major depressed patients using event-related functional magnetic resonance imaging.
目的：通过威斯康星卡片分类测试(WCST)及动态面部表情识别任务，探讨抑郁症执行功能障碍特征及可能机制。
Objective: To study the characteristics of executive function and its possible mechanism by Wisconsin card sorting test (WCST) and recognition of dynamic facial expression in patients with depression.
就连青少年也会有所谓的“动态”纹：由于某些面部表情所产生的褶皱，放松后，便会随即消失。
Even teenagers can have "dynamic" wrinkles: creases that materialize with certain facial gestures but disappear when the face relaxes.
主要观察指标：观察面部表情肌功能恢复的时间，检测面神经传导速度的动态变化。
MAIN OUTCOME MEASURES: the rehabilitation time of facial expression muscle function was observed and the dynamic changes of conduction velocity of facial nerve were assayed.
主要观察指标：观察面部表情肌功能恢复的时间，检测面神经传导速度的动态变化。
MAIN OUTCOME MEASURES: the rehabilitation time of facial expression muscle function was observed and the dynamic changes of conduction velocity of facial nerve were assayed.
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