Science Codex:
http://www.sciencecodex.com/slow_reading_in_dyslexia_tied_to_disorganized_brain_tracts

Harvard Science:
http://news.harvard.edu/gazette/story/2007/12/slow-reading-in-dyslexia-tied-to-disorganized-brain-tracts/

The Annenberg Foundation:
http://www.learner.org/courses/neuroscience/videos/videos.html?dis=U&num=04

Half a brain:
http://www.youtube.com/watch?v=tE2mkSJ0UiA&feature=em-upload_owner#action=share

Decreasing font size enhances reading comprehension among children who have already developed proficient reading skills:
http://www.sciencedaily.com/releases/2014/07/140710094344.htm