Zhou et al. (2023). A systematic review and meta-analysis of randomized controlled trials: Photobiomodulation for mood disorders such as depression. Frontiers in Psychiatry.

PubMed Central (2024). Photobiomodulation: shining a light on depression. PMC.

Naeser et al. (2017). Photobiomodulation using low‑level laser therapy for patients with chronic traumatic brain injury: Randomized controlled trial protocol. Trials Journal.

Weinstein et al. (2025). The effectiveness of Transcranial Photobiomodulation therapy on anxiety, depression, and opioid craving in MMT patients: BMC Psychiatry.

Salehpour et al. (2020). Photobiomodulation as a promising new tool in the management of psychological disorders: A systematic review. Journal of Psychopharmacology.

Wozniak et al. (2025). Near‑Infrared Stimulation in Psychiatry Disorders: A Systematic Review of Efficacy and Biological Mechanisms. NeuroSci MDPI.

Salguero et al. (2023). Photobiomodulation therapy on the brain: treating neurological and psychological disorders. PMC.

J Neuro Eng Rehabil (2024). Devices used for photobiomodulation of the brain—a comprehensive and systematic review.
(via summary in Wikipedia)

ArXiv (2024). Transcranial low‑level laser stimulation in near infrared‑II region for brain safety and protection by Li et al.

J Neuropsychiatry (2017). Transcranial Low-Level Laser Therapy for Depression and Alzheimer’s Disease: Mini-review.

Stausholm, M. B., et al. (2019). Efficacy of low‑level laser therapy on pain and disability in knee osteoarthritis: systematic review and meta‑analysis of randomised placebo‑controlled trials. BMJ Open. https://www.ncbi.nlm.nih.gov/pubmed/31662383sciencedirect.com+12sciencedirect.com+12mdpi.com+12bmjopen.bmj.com+5pmc.ncbi.nlm.nih.gov+5en.wikipedia.org+5

Martimbianco, A. L. C., et al. (2020). Photobiomodulation with low‑level laser therapy for treating Achilles tendinopathy: systematic review and meta‑analysis. Clin Rehabil, 34(6):713‑722.

Mickleborough, T., et al. (2023). Effects of photobiomodulation therapy on pain intensity and disability in plantar fasciitis: systematic review. Journal publication.

Naterstad, I.F., et al. (2022). Efficacy of low‑level laser therapy in patients with lower extremity tendinopathy or plantar fasciitis: systematic review and meta‑analysis of RCTs. BMJ Open, 12(9):e059479.

Fernandes, G.C., et al. (2021). Efficacy of photobiomodulation therapy in the treatment of pain in musculoskeletal disorders: systematic review and meta‑analysis. Eur J Phys Rehabil Med.

Takla, M.K.N., & Rezk, S.S.R. (2022). Photobiomodulation therapy plus usual care is better than usual care alone for plantar fasciitis: RCT. Int J Sports Phys Ther.

Pain Physician Journal. (2019). Low-Level Laser Therapy for Fibromyalgia: A Systematic Review and Meta‑Analysis.

Yigit. et al. (2025). Effectiveness of photobiomodulation therapy on temporomandibular pain: systematic review. Journal of Orofacial Pain (SciDirect).

MDPI (2023). Photobiomodulation: Low‑Level Laser Therapy as Medicine—Recovery, pain, fatigue, wound healing. Healthcare.

Moore, J., & Demchak, T. (2025). Photobiomodulation therapy is more effective than sham for reducing pain, tingling, and improving quality of life in neuropathic conditions. Journal (SciDirect).

Choudhary, R., & Kothari, S. (2021). Photobiomodulation for Complex Regional Pain Syndrome: A Case Report and Review of Literature. LIDSEN.

Elshafey, M. A., & El-Sayed, M. M. (2010). Evaluation of low-level laser and interferential current in complex regional pain syndrome type I therapy. Indian Journal of Physiotherapy and Occupational Therapy.

El-Hafez, A. I. A., & El-Badawy, M. A. (2025). Effect of high-intensity laser therapy and mirror therapy on pain in CRPS type I patients. ScienceDirect.

Ghahramani, M., & Jelodar, G. (2021). Photobiomodulation therapy for CRPS: A case report and literature review. ResearchGate.

Nesathurai, A., et al. (2022). Effects of photobiomodulation on thermal and mechanical hyperalgesia in a rat model of CRPS. ePain.

Rochkind, S., & Nissan, M. (2004). Low-level laser therapy (LLLT) in the treatment of peripheral nerve injury: A review of experimental and clinical studies. NCBI PMC.

TheHealthLodge. (2020). Low Level Laser Therapy (LLLT) in Neuropathic Pain Conditions: What the Evidence Says.

Taylor, A. M., Mannix, R., Zafonte, R. D., Meehan, W. P. III, et al. (2023). A randomized, double‑blind, placebo‑controlled clinical trial evaluating transcranial photobiomodulation as treatment for concussion. Medicine & Science in Sports & Exercise.

Huang, Y.-Y. (2012). Transcranial low-level laser (light) therapy for traumatic brain injury: review of mechanisms, preclinical and clinical studies. Journal of Biophotonics.

Recent RCT (2025). Transcranial photobiomodulation improves cognitive function, post‑concussion symptoms, sleep quality and PTSD in mTBI patients. Journal of Neurology.

Gupta, R., et al. (2024). Effects of low-level light therapy on resting-state brain connectivity within 2–3 weeks post-moderate TBI. Radiology.

Santos, J. G. R. P., Zaninotto, A. L. C., Zângaro, R. A., et al. (2018). Effects of transcranial LED therapy on cognitive rehabilitation after diffuse axonal injury following severe TBI: RCT protocol. Trials Journal.

Santiago, R., Ozsarfati, J., Shulman, H., Valenzuela, R., Zitney, M. (2022). ImPACT® assessment of photobiomodulation therapy for post-concussion syndrome: retrospective cohort in Journal of Spine Research and Surgery.

Chao, L. L., Barlow, C., Karimpoor, M., Lim, L. L. (2020). Home photobiomodulation treatment case report: persistent post-concussion symptoms in a professional hockey player. Concussion Alliance.

JAMA Network Open (2020). Effect of transcranial low-level light vs sham therapy among patients with moderate TBI: randomized clinical trial.

Moynihan et al. (2022). Transcranial PBM and chronic TBI: systematic review of 16 studies (case series and clinical trials). MDPI Photonics.

Haussler, K. K., Manchon, P. T., Donnell, J. R., & Frisbie, D. D. (2020). Effects of low-level laser therapy and chiropractic care on back pain in Quarter Horses. Journal of Equine Veterinary Science, 86, 102891.

Jann, H. W., Sisk-Miley, J., & others. (2005). Low-level laser therapy on an equine metacarpal wound healing model. [Full text available through academic databases].

Ryan, T., & Smith, R. K. (2007). An investigation into the depth of penetration of low-level laser therapy through the equine tendon in vivo. Irish Veterinary Journal, 60(5), 295.

Petersen, S. L., Botes, C., Olivier, A., & Guthrie, A. J. (1999). The effect of low-level laser therapy on wound healing in horses. Equine Veterinary Journal, 31(3), 228–231.