From PhilPapers forum Philosophy of Mind:

2010-06-25
Dretske on seeing
Reply to Benj Hellie
In one sense certainly (though in another "Sergent Garcia distinguished Zorro and Diego de la Vega" seems ok?). But for Dretske (as condition on seeing x--differentiation seems meant to be a different notion, no)? 
(+ what sort of "might"? I might take myself to know there's a gorilla if I notice/attend to it?)