I'm a jazz bassist, and I'm not surprised. There are notes that you typically play in certain positions, only because your hand was already in that position for another note. And even as a fluent sight-reader, I make my way around the fingerboard by a combination of note names, anticipation of familiar patterns and dumb luck. Plus, if I see a note on the page, I can often play it before I can name it, because those are different mental circuits.