Board Thread:Speculation House/@comment-4606441-20141024012020/@comment-24891101-20141031225258

Prismatic: Yep. That's exactly my theory. Raven's hair changes, and she looks identical to Yang because it's a dream. Yang's basing her mental picture of her mother off of old pictures, hence her apparent youth. Plus, as Pred mentioned in her blog, the entire sequence seems somewhat unreal, and a dream would explain it.