Mental body, in occult philosophy, is that aspect of the human being which resides on the mental level of abstract consciousness. This is the part of the self which allows awareness of meaning. Existing outside of space and time, it is the lowest part of the self to survive physical death. A.G.H.
Greer, John Michael. The New Encyclopedia of the Occult. St. Paul. MN. Llewellyn Worldwide. 2005. p. 304