"In the Bible, God appeared to Ezekiel as a “wheel within a wheel”. Spirals and concentric circles are commonly found in petrogylphs carved by cultures long dead. Similar visual effects are reported during extreme psychological stress, fever delirium, psychotic episodes, sensory deprivation, and are reliably induced by psychedelic drugs." Form Constants and the Visual Cortex, or Where Psychedelic Visuals Come From.
posted by Taft
on Mar 15, 2011 -