As Michael Levin's work shows, one doesn't even need a brain or a nervous system for memory https://www.scientificamerican.com/article/brains-are-not-required-

As Michael Levin's work shows, one doesn't even need a brain or a nervous system for memory https://www.scientificamerican.com/article/brains-are-not-required-when-it-comes-to-thinking-and-solving-problems-simple-cells-can-do-it/ https://www.scientificamerican.com/article/brains-are-not-re...