Rupert sheldrake formulated a more appropriate idea, in contrast with the idea you obviously beleive in that these paranormal perceptions in the psyche are truly what you say, “spirits”, however it more probable that they are aberations of our subconscious, which contains data and phenomena from our imprinting of past personalities leaving their mmark on our subconscious. They express themselves as their memories are imprinted in our mind.

Communicating telepathically is real while in altered states while on psychedelics, anyone whose used those drugs in a relationship or sex will probably confirm that.

“This world makes sense, obviously. And I am constantly struggling with those who want to hide the light of rationality under some obscure basket of deceit. UFOs, astrology, alchemy, astral travel, Eastern mysticism…. What a mess.

Most of these people, however well intentioned, don’t seem to realize that they are living in a relatively safe and protected world precisely because of rational science and its fruits of medicine, dentistry, physics, economic production and abundance, the extension of average life span from thirty years to seventy years. The critics condemn that which shelters them.” -Integral life.com Ken Wilber”