Brain scanners are helpful, but can they solve this problem? Francis Crick and Christoph Koch published in 1990 a paper with the title”: Towards a neurobiological theory of consciousness” https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=Francis+Crick%2C+Christoph+Koch%3A+Towards+a+neurobiological+theory+of+consciousness&btnG= This was a paper which formulated a theory how to solve this problem. Which means that Christoph Koch wanted to find out how the brain …