All sapient life in the galaxy is believed to possess some latent psychic abilities. Psionic powers first manifested centuries ago in the wake of the first interstellar flights. Later paraphysicists speculated that something about the exposure to metadimensional energies incurred in jump drive travel changed these spacers, altering genomes or warping their energy shadows in a way that changed their eventual offspring. While this theory was never completely proven, it was demonstrated that psionic powers were far more prevalent on the frontier, in people who were descended of starfaring ancestors, than they were on Earth. On most frontier worlds about one in ten thousand children are born with psychic aptitude, while Earth displayed only a tenth of that incidence.
Humanity divides Psionics into several Disciplines: