Further evidence (as though any were needed) that our most fundamental psychological need, and the only way we can imagine that we understand anything, is to spin a story about it. "It" being the narrative string connecting sights, smells, memories, and everything else. It's what dreams are made of, and theology, and scientific theories, and all our human relationships.
Alzheimer's Patients Turn To Stories Instead Of Memories : Shots - Health Blog : NPR
Plus of course our novels, short stories and poems. Like the ones these patients are creating.