I think this is what the article alludes to. There is the famous example of some expert on Rembrandt (or some other painter) that could tell that a specific pai

I think this is what the article alludes to. There is the famous example of some expert on Rembrandt (or some other painter) that could tell that a specific painting was a forgery, but was not able to pinpoint why he felt that way. (This anecdote might have been in the introduction of some book on intuition, something Malcolm Gladwell-ish, but I can't recall which...)