The purpose of this study is to understand how different intensities of light impact the brain in individuals with and without depression (seasonal and non-seasonal forms). Participation involves a screening assessment that lasts up to one hour and a single brain MRI scan procedure at the Brown MRF facility (within one to two weeks). Interested parties must have daytime availability during the work week.
- Generally healthy adults, age 18 to 65, with Major Depressive Disorder symptoms that are moderate to severe
- Generally healthy adults, age 18 to 65, without current or past treatment for depression or other major psychiatric disorders
- Normal vision or vision corrected with lenses or glasses.
- No contraindication to MRI scan (no surgically implanted metal)