The book explores a theory that human consciousness, as understood today, did not develop until about 3,000 years ago. Prior to this, according to the author, human behavior was governed by mental processes he describes as "bicameral," where the brain's two hemispheres had distinct roles, with one side responding to the other with auditory hallucinations that the individual obeyed as commands from gods. These hallucinations ceased as changes in society, language, and writing increased complexity in human interactions, leading to the development of introspective consciousness.
The 8747th greatest book of all time