But I've already made it to what you call TR, (and what I call the nothing/everyrhing) you've just thought about it harder than me, and with a better brain.
Ok, ok, so you're totally right! Psyche is just another word for self, isn't it. Alright, a third attempt then... here i go:
Have you considered that TR might be facilitated by the brain/mind. If a "massive head wound" is capable of discontinueing TR, doesn't that mean that TR is "within" the brain/mind?
Could TR be a hallucination? Another level of the dreamstate? A psychological adaptation not unlike multiple personlaity disorder (disassociative disorder)? A way for the mind to deal with massive stress and/or suicidal ideation?