DAYLight - Adults 18-30

STUDY BASICS

Are you 18-30? You may be able to participate in a brain imaging research study to help find out how light and sleep affect emotional brain function and mood. Compensation provided.

STUDY PURPOSE

Too much artificial light at night and too little light during the day may play a big role in mood and emotional balance. The DAYLight research study is being conducted to understand how sleep and light impact emotional brain function and mood in teens and young adults.

COULD THIS STUDY BE RIGHT FOR YOU?

• Ages 18-30

• Right-handed

• Not a shift worker

• Able to read and write in English 

• No major physical health conditions

• Not diagnosed with bipolar disorder or schizophrenia

• Willing and able to undergo fMRI scanning (not claustrophobic, no permanent iron-based metal in the body)

WHAT PARTICIPANTS CAN EXPECT

After completing an online pre-screening survey, this study begins with an eligibility assessment (in-person or virtual) that will last about 2-3 hours. If you are eligible and interested in the full study, participation will involve 1-week of at-home sleep and light monitoring with a wrist monitor, followed by a visit to our lab in Oakland for a brain scan (MRI), light sensitivity test, and surveys. Participants can opt-in to two weeks of morning bright light therapy with a wearable device. Compensation is provided for participating in the study but not for the initial online pre-screening survey. Bright light device is provided for optional morning light therapy.