But she isn't *exactly* the same emotionally. The hormones of a pre-teen to teenage girl are very different than the hormones of an adult woman. That's have a pretty big impact on her emotions as she grew-up.
Except that she retained all of her emotional intellect. She's just in a younger body. Remember, this is Star Trek technomagic, where DNA de-evolves you and re-evolves you in the same episode.