Stress may cause highly activated mythic images to erupt from the psyche's deepest levels in the form of turbulent visionary experience. Depending on whether the interactions between the individual and the immediate surroundings lean toward affirmation or invalidation, comprehension of these visions can turn the visionary experience into a step in growth or into a disorder, as an acute psychosis. Based on his clinical and scholarly investigations, John Weir Perry has found and formulated a mental syndrome which, though customarily regarded as acute psychosis, is in actuality a more natural...