“…10,21,28,30,63 Multiple reports over the past decade have pointed to links between PP and abnormal ophthalmological findings, auditory processing, and motor development. 4,10,25,27,28,35,44,47,62,63,68 Two case-controlled studies, by Speltz et al 63 and Fowler et al, 21 found significant variability in gross motor development and body tone. However, almost none of these studies account for sleep position and many have problems with their design, suggesting that there are probably other factors at play.…”