From the ancient Greeks comparing memory to a 'seal ring in wax,' to the 19th century brain as a 'telegraph switching circuit', to Freud's subconscious desires 'boiling over like a steam engine,' to a hologram, and finally, the computer.
How does the brain a lump of 'pinkish gray meat' produce the richness of conscious experience, or any subjective experience at all? Scientists and philosophers have historically likened the brain to contemporary information technology, from the ancient Greeks comparing memory to a 'seal ring in wax,' to the 19th century brain as a 'telegraph switching circuit, ' to Freud's subconscious desires 'boiling over like a steam engine,' to a hologram, and finally, the computer. [8]