Participants needed for smartphone study

Individuals age 18 and older who have a diagnosis of major depressive disorder or bipolar disorder and who have a smartphone are needed to participate in a research study. Participation involves completing surveys through study app and collecting physiological data through provided Oura ring. The study involves four remote visits over three months. Eligible participants will receive $100 in gift cards.

If interested in participating and need more information, contact Alex Walker at the Mood Disorders Center at or 443-948-6411.

Peter Zandi, PhD, principal investigator, Johns Hopkins University School of Medicine
Protocol: IRB00285631