1.1 Brain-lobe function scope is open-ended

A Brain-lobe is a primary neural structure specialized for a distinct mental function. In Arthitean neurobiology, "mental function" is maximally broad rather than cognition-only: it includes any sufficiently distinct function that can be performed, produced, regulated, defended, resisted, transformed, generated, simulated, preserved, inhibited, amplified, selected, routed, coordinated, authenticated, quarantined, counteracted, or otherwise implemented by an Arthitean mind or neural system.