id	keyword
blake-314	blake
blake-314	klüver
blake-314	form
blake-314	hallucinations
blake-314	klüver form
blake-314	visions
blake-314	constants
blake-314	plate
blake-314	william
blake-314	spiral
blake-314	percepts
blake-314	william blake
blake-314	milton
blake-314	neural
blake-314	light
blake-314	migraine
blake-314	patterns
blake-314	art
blake-314	cobweb
blake-314	books
blake-314	cortex
blake-314	image