The "Light for the Brain" Study

Exclusion Criteria

• •1. Diagnosed or suspected neurological, psychiatric (including bipolar disorder or mania), or medical condition that might impair cognitive functioning (other than those caused by the cancer or its treatment),
• •2. Visual, hearing, or physical impairment sufficient to interfere with cognitive testing or participation,
• •3. Have a history of whole brain irradiation or surgery,
• •4. Active diagnosis of autoimmune and/or inflammatory disorder or disorders that may influence immune processes,
• •5. Chronic use of oral steroid medication,
• •6. History of systematic light exposure treatment,
• •7. Diagnosed sleep apnea or narcolepsy,
• •8. Use of photosensitizing medications,
• •9. Plan to travel across meridians during the study,
• •10. Work night, early morning, or swing shifts,
• •11. Adults unable to consent, individuals who are not yet adults, pregnant women and prisoners will be excluded from the study.