An observational study in Depression, sponsored by Beijing Normal University. Status unknown at 1 site in China. Open to participants aged 18 Years to 60 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2018-02-06.
Sponsored by Beijing Normal University · Observational
In the project, investigators basically plan to test the difference in social behavior and social cognition between depressive patients and healthy individuals. To test this, investigators plan to use traditional or novel behavioral experiment paradigms to target various behaviors.
Individuals diagnosed with depression and healthy control
Exclusion Criteria:
Prosocial behavior
The prosocial behavior will be assessed by conventional economic games, including dictator game, message game, and ultimatum game.
Time frame: Baseline
Cognitive flexibility
Cognitive flexibility will be assessed by psychological cognitive paradigm, i.e. reversal learning paradigm. The participants will be asked to choose the item with high probability to win reward.
Time frame: Baseline
Valuation of social information
The valuation of social information was measured by psychological paradigm, developed from animal studies, called "pay-per-view". The participants will be asked make decision about more social information or more monetary reward.
Time frame: Baseline
Optimism bias
Participants will complete two sessions of life event estimation, i.e. estimating their likelihood of experiencing each event on a self-paced basis.
Time frame: Baseline
Emotion recognition
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.
Time frame: Baseline
Model-free & model-based tendency
Participants will be asked to complete a two-stage task, by choosing the stimuli with high probability to obtain reward.
Time frame: Baseline
This study is status unknown, as verified in Feb 2018. You cannot join it, but the record below documents what was studied.
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Beijing Normal University