- an engram which seems to be in favor of survival. (DMSMH, p. 62)
- pro-survival engrams containing the ally computation can be described as those which contain personnel who defended the patient's existence in moments when the patient conceived that his existence was under attack. (DMSMH, p. 244)
- any engram which, by content only, not by any real aids to the individual containing it, pretended to assist survival. (DMSMH, p. 264)