Talk:Decussation of pyramids

what
what is the cause for this deccussation?

Headline text
why decussation occurs?

One hypothesis: http://www.washingtonpost.com/wp-dyn/content/article/2005/06/12/AR2005061201009.html Worth putting in?
 * I believe it is, but do mention it is a theory and don't forget to cite the source. Nice informatio, by the way. --Dexter_prog (talk • contribs • count ) @ 01:59, 13 June 2008 (UTC)