You can participate in this study if:
- You are 18-50 years old and live in the United States.
- You have access to a desktop or laptop computer; smartphones and tablets will not work with this study.
- You have been diagnosed with major depressive disorder orbipolar disorder.
- You have been prescribed medication to treat major depressive disorder or bipolar disorder.
- You are willing to provide a saliva sample for DNA testing.
- You are willing to complete online study sessions over the course of nine months. Each study session takes between 10-30 minutes and may include surveys and a series of cognitive tests online.
If you have been diagnosed with major depression, or bipolar disorder I, or bipolar disorder II by a medical professional and you meet the other criteria listed above, you may be eligible to participate in this study.