Can we answer the unanswerable?

Pylyshyn claims that if a system is cognitively penetrable, its function de pends in a semantically coherent way to the organism's goals and beliefs. B e rejects evidence of attentional modulation observed in neurons within the : visual system, claiming that any modulation seen is not logically related to goals and behavior I present some of this evidence and claim that it is connected in exactly the way Pylyshyn requires and thus it refutes his mai n thesis.