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From: Tom Weidig (thestutteringbrain.blogspot.com)
Date: 05 Oct 2010
Time: 03:47:11 -0500
Remote Name: 88.207.186.175
Hi Dennis, you write that "A few factors, such as perinatal hypoxia and trauma show very modest association with stuttering. However it's clear that these explanations are imperfect, and could only explain a very small fraction of stuttering." ----- Yes, but would you agree that this does not automatically imply that the rest (social) environmentally? ---- There could be many other developmental issues. I would actually be surprised if there were any major risk factors, because there are many different ways to insult the developing brain. The issue is of course that this is not really empirically verifiable due to the large number. I would also say that speech is one of the most demanding tasks a brain has to do and one of the most noticeable if it goes wrongly. So even small issues might have an observable effect.----You might be interested in my two blog posts on a Swiss paper by Ajdacic-Gross et al. http://thestutteringbrain.blogspot.com/2010/05/reply-from-author-of-stats-paper.html