“The proposition that primitive dream imagery might reproduce, albeit imperfectly, the experience of one's ancestors, including their terrors, was rather too existentially charged for post-modern sensitivities, for which the meaningless hypothesis of memory de-junking was much more appealing. Even worse, the notion that one's own ideation, one's own monsters, or indeed oneself as a monster, might be transmitted forward to future generations threatened deeply assumptions about the privacy of the mind and an individual's discretionary power of inviolable concealment over unedifying thoughts.”