When you say “Soul” are you referring to the astral body which looks like the physical body but is of the etheric world?
Or what a Soul really is? Because as I understand the definition of the Soul is the consciousness totally outside of the physical world who is genderless and above duality. Who has an enormous role in deciding upon and designing what you experience in this lifetime. The soul selects your theme, lessons, who other souls you’ll be “playing” with on earth, body, character traits etc… then it takes a portion of it’s consciousness and condenses it into the physical body in the womb.
The Higher Self, however is part of physical experience and is the highest truth / wisdom that can be received by the physical brain.