The MGH Brain PBM Clinic is both a research and clinical team at Massachusetts General Hospital, striving to advance research and clinical care with the use of photobiomodulation (PBM). Photobiomodulation of the brain is a non-invasive modality of neuromodulation, using natural and safe near-infrared light over the scalp. Brain Photobiomodulation is not FDA approved and it is used off-label for the treatment of mood, anxiety and cognitive disorders, as well as for other neuropsychiatric diseases