Mentalic is a term Isaac Asimov

Isaac Asimov

Isaac Asimov was an American author and professor of biochemistry at Boston University, best known for his works of science fiction and for his popular science books. Asimov was one of the most prolific writers of all time, having written or edited more than 500 books and an estimated 90,000...

's Foundation series uses to cover a range of unusual psionic capabilities. Not precisely telepathic, the Second Foundation

Second Foundation

Second Foundation is the third novel published of the Foundation series by Isaac Asimov, and the fifth in the in-universe chronology. It was first published in 1953 by Gnome Press....

ers are able to sense and adjust the emotions of humans. Gaia

Gaia (Foundation universe)

Gaia is a fictional planet described in the book Foundation's Edge and referred to in Foundation and Earth , by Isaac Asimov. The name is derived from the Gaia hypothesis, which is itself eponymous to Gaia, the Earth Goddess....

, the group mind

Group mind (science fiction)

A group mind, hive mind or group ego in science fiction is a single consciousness occupying many bodies. Its use in literature goes back at least as far as Olaf Stapledon's science fiction novel Last and First Men ....

 of Foundation's Edge

Foundation's Edge

Foundation's Edge is a science fiction novel by Isaac Asimov, the fourth book in the Foundation Series. It was written more than thirty years after the stories of the original Foundation trilogy, due to years of pressure by fans and editors on Asimov to write another, and, according to Asimov...

and Foundation and Earth

Foundation and Earth

Foundation and Earth is a Locus Award nominated science fiction novel by Isaac Asimov, the fifth novel of the Foundation series and chronologically the last in the series...

, considers the Second Foundation an embryonic form of collective consciousness. Gaians are also described as mentalic, although they have the added abilities of adjusting non-human life as well as converting usable energy into work through conscious will alone (thermokinesis

Psychokinesis

The term psychokinesis , also referred to as telekinesis with respect to strictly describing movement of matter, sometimes abbreviated PK and TK respectively, is a term...

). It is implied that the Solarians use a special organ to turn heat into some manner of energy, but whether it psychokinetic or telepathic in origin, if not both, is not wholly specified. R. Daneel Olivaw

R. Daneel Olivaw

R. Daneel Olivaw is a fictional robot created by Isaac Asimov. The "R" initial in his name stands for "robot," a naming convention in Asimov's future society...

, along with R. Giskard Reventlov, shared a robotic mentalic ability caused by errant programming by Vasilia Fastolfe. Giskard gained these abilities first, and then "taught" (presumably transferred the programming) the secret to Daneel. Both of their abilities were implied to be staggering and only limited by the First Law: Daneel, for example, claimed to be able to nullify all of Gaia's psychic power, a claim that Bliss (a native of Gaia) took seriously. Daneel also manipulated galactic history for millennia, both during the Empire and Foundation eras.