It’s baby-talk? he’s sick? or is it German?

From "Cognition and Culture":http://www.cognitionandculture.net/index.php?option=com_content&view=article&id=550:can-you-tell-the-language-of-the-mother-from-the-baby-cry-&catid=52:nicolas-claidieres-blog&Itemid=34, a blog that should surely have