User uses ChatGPT to recreate his HPPD hallucinations in near-real time

KetogenicKraig · reddit · 2026-09-12

A Reddit user with HPPD (Hallucinogen Persisting Perception Disorder) sent ChatGPT a photo of his view plus descriptions of his visuals — enhanced colors, wavy textures, noise, and translucent geometric floaters — then iterated on size, shape, transparency and phone distortion until the output matched his perception freakishly closely, even recursively updating the phone screen inside the image. A striking demo of AI visualizing subjective medical experiences.

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