Do Warforged have organic brains?

[Baron]

do androids dream of electric sheep?

Only on Blade Runner, sayth Phillip C. ****.

[Kraldor]

WF are repositories for actual spirits, not just AI. Read some of Keith Baker's stuff and you'll get an idea. House Cannith didn't actually invent warforged, they are merely the modern producers of them.

[Rickpa]

Since the minds of fleshies appears to be a manifestation of their brains, this leads to great confusion. Actually brains are the manifestation of minds. There is no such physical artifact within the physical warforged. The warforged are sentient with fully developed minds, but without a localized physical nexus.