Will also suggest to look at the entire Jainism religion which is not really a religion but a way of living life. It has laid out a extremely detailed description of how the soul is totally separate entity and the different tejas body and karam bodies that make Us up

A detailed description in this article on the concept of Mind: Philosophy of Mind: A Jain Perspective

https://pdfs.semanticscholar.org/369b/7abd19f494d8b6d0f36115...