Photobiomodulation (PBM) has been shown to increase cognitive and emotional brain function; including attention, memory and mood. And, significantly reduce depression and anxiety. PBM has also been shown in rodent studies to increase mitochondrial activity within brain cells and grow new brain cells (neurogenesis).
Transcranial infrared laser stimulation produces beneficial cognitive and emotional effects in humans.
Barrett DW1, Gonzalez-Lima F.
Psychological benefits 2 and 4 weeks after a single treatment with near infrared light to the forehead: a pilot study of 10 patients with major depression and anxiety.
Schiffer F1, Johnston AL, Ravichandran C, Polcari A, Teicher MH, Webb RH, Hamblin MR.
Low-level laser therapy applied transcranially to rats after induction of stroke significantly reduces long-term neurological deficits.
Oron A1, Oron U, Chen J, Eilam A, Zhang C, Sadeh M, Lampl Y, Streeter J, DeTaboada L, Chopp M.
Transcranial near-infrared light therapy improves motor function following embolic strokes in rabbits: an extended therapeutic window study using continuous and pulse frequency delivery modes.
Lapchak PA1, Salgado KF, Chao CH, Zivin JA.