Processing information combined with behavior produced as a result of that processing might be sufficient grounds for attributing some level of intelligence
The question of whether Blockhead is intelligent (has a mind, thinks) may seem straightforward, but—despite Block’s confident assertion that Blockhead “has all of the intelligence of a toaster”—it is not obvious that we should deny that Blockhead is intelligent. Blockhead may not be a particularly efficient processor of information; but it is at least a processor of information, and that—in combination with the behavior that is produced as a result of the processing of information—might well be