Luke is a neurofeedback practitioner who lives in Peru. He hosts ayahuasca retreats and studies the brainwaves of people who partake in ceremonies, with the help of shamans, for therapeutic purposes.  https://neuroenlightenment.wixsite.com/my-site-2 https://www.facebook.com/Neuroenlightenment https://www.instagram.com/luke_jensen_peru/ https://www.instagram.com/neuroenlightenment/ https://www.linkedin.com/in/luke-jensen-658454262/