I also researched HBOT and realised that alot of the research is heavily profit motivated. That does necessarily correlate with the research being useless but it definitely puts a lid on things. I would still like to try it as a treatment option though.
I read a promising study a few months back which showed good results in 16 US veterans with PTSD and TBI:
http://medicalxpress.com/news/2011-1...-tbi-ptsd.html Short version
http://online.liebertpub.com/doi/pdf.../neu.2011.1895 long version
In the long version under "Author Disclosure Statement" quite a few of the researchers still have competing interests so I have to say i´m still a bit skeptical.
I also found additional information about the future prospect of HBOT in the treatment of TBI in veterans based on the above study:
http://www.prbuzz.com/politics-a-pub...5248-hbot.html