I just recently learned about a psychologist named Lev Vygotsky and his groundbreaking theories on cognition and learning. He noted that children often speak out loud, dictating their thoughts/actions 3rd person. This eventually turns into your "inner voice" as you get older.
This is Zach Cregger’s approach to first drafts as a screenwriter. It’s called “elfing”. He’s right. ✍🏼