A single-subject experiment over 20 days tested whether anxiety-neutralizing techniques (eye movements, square breathing) boost the brightness of visual hallucinations during stroboscopic ganzfeld (ganzflicker) meditation, which mimics psychedelic effects. Contrary to expectations, these techniques had minimal effect; instead, resting with eyes closed consistently brightened hallucinations upon reopening the eyes, while eye movements caused a temporary darkening. Brightening peaked 40–60 seconds after intervention and lasted 2–3 minutes, accompanied by positive affect and peak-experience qualities. The findings suggest alpha rhythm involvement: brightening aligns with alpha resynchronization after eye closure, and darkening with alpha suppression during eye movements. This method may serve as a clinical adjunct to psychedelic therapy or a standalone tool for inducing transformative states.
A 20-day self-experimentation study found that closing the eyes briefly during exposure to alpha-frequency stroboscopic light, then reopening them, reliably produced a delayed brightening of visual hallucinations. This effect aligns with alpha rhythm dynamics and supports a model of meditation-induced luminosity through alpha-mediated disinhibition. The bright light experience sometimes evolved into a mild mystical-type state with mood enhancement and cognitive stillness. The effect was reproducible in other individuals and occurred regardless of beliefs about the light's origin. The method may offer a low-cost adjunct to psychedelic-assisted psychotherapy or a stand-alone tool for emotional well-being and creativity.