One other note on communication. Seth and I both feel there have been a few times where he does seem to understand a word here or there spoken. For example, there have been just a couple of times I think he responded to his name, Seth noticed he reacted to the word "drops" for his ear drops by crying before he signed the word to Logan (usually Logan doesn't cry until the sign). However, his understanding of spoken words seems completely sporadic and there can be weeks or even months between these moments. Through Logan's school we have heard of types of vision where it is almost like the children see through Swiss cheese and every now and then get a glimpse of something. Is there a similar auditory situation? I haven't found anything in the research I can find and his speech therapist had not heard of one, but I thought I'd throw it out there in case anyone reading this has heard of something along those lines.
Whether it be by sign or spoken language we are hopeful and will continue to do all we can to help support language development for him. As he gets older he seems to be getting more and more frustrated by his current inability to ask for what he needs or wants. We are grateful to see the progress he is making with sign language and are quite encouraged by what we see towards the beginning of this video.