After viewing a video, participants will be asked to judge the person's attitude in the video. Through this paradigm, investigators could test emotional bias in social interaction in depressive patients.

In this part, investigators basically want to test the automatic neural activity for depressive patients while they are resting.

Participants will be asked to judge the discrepancy between actual self and ideal self.

investigators used face-matching task to measure their response to negative stimuli. The participants will be asked to detect the identical face with same emotion.

Investigators scanned structural images to detect the difference between clinical population and healthy population.

Investigators scanned DTI to detect the difference between clinical population and healthy population.