Your nervous system extends over your entire body, the brain doesn't live in a firewalled jar.
To extend the metaphor, the brain may have a robust firewall, but it also transacts with millions of clients over a separate (electric rather than chemical) network.
alt Hacker News
To extend the metaphor, the brain may have a robust firewall, but it also transacts with millions of clients over a separate (electric rather than chemical) network.