[quote=@The Nexerus]

<Snipped quote by Taaj>

I'm not sure he did, or at least not convinced that he was capable of understanding that knowledge or  acting on it in any significant way. We'll probably know for sure when it's revealed in the books (in however many months or years that takes). 
[/quote]

Yeah I got the impression the command had to be so strong it basically drove everything else out, and it got in too deep to be perceived by what remained of his faculties. I think Hodoring could have been a coping mechanism rather than a direct effect as well.