I'm not sure how everything fits together--he passes a hearing test easily, yet his eardrums aren't vibrating like they should? And how does a nasal spray have anything to do with the ears? I have a little more research to do.
To clarify, once I get Elijah's attention and he looks at my face, he can understand me without difficulty--it's just getting his attention in the first place that's hard to do. Perhaps he just gets so absorbed in what he's doing that he tunes out the world around him; he can be pretty intense about things like Legos and books. :)
Speaking of books--the boys went to the library with their dad yesterday, and Elijah helped pick out a half-dozen books, mostly about volcanoes and astronomy. The one that looks most interesting delves into topics like quasars, relativity, and dark matter--of course it also extensively discusses how those interesting topics relate to the theory of the Big Bang. I'll probably end up skipping every other paragraph, as I don't want to get into the Big Bang theory just yet. :)
And to conclude, a couple of pictures of the child in question. First, with a book about human anatomy. I told him to pick out his favorite page to include in the photograph, and he picked this one:
And secondly, here he is with a Lego "mountain." I know these aren't technically Legos; maybe they're Megablocks or Duplo or something. Anyway, we call them Legos. This photo is from a few weeks ago--note the old carpet, now gone. :)