# The causal powers of a system matter for consciousness, not merely what it computes by Christof Koch > "The causal powers of a system matter for consciousness, not merely what it computes." > **— Christof Koch**, *IIT-aligned writings; wording candidate* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: IIT-aligned writings; wording candidate.