Send us a text Before ghosts wore names, our brains invented them to survive the dark. We follow that spark from prehistoric caves to secret initiation temples and straight into Michigan’s lodges and universities, asking a stubborn question: are we learning, or simply remembering? I share how sensory deprivation, echo, and flicker forged “shadow people” as a neurological coping tool, then map those same levers onto ancient mystery schools across Egypt, Greece, Persia, and beyond—places that t...