Clairvoyance

Clairvoyance is an alleged psychic ability to see things beyond the range of the power of natural vision.

R. T. Carroll. "Clairvoyance". The Skeptic's Dictionary (19 Sep, 2012)

An early case of clairvoyance is credited to the Marquis de Puységur, a follower of Franz Mesmer, who in 1784 treated a peasant named Victor Race. During treatments, Race would go into trance and undergo a personality change. He would become fluent and articulate, and would even diagnosis his own ailments as well as those of others.

Taves, Ann. Fits, Trances, and Visions: Experiencing Religion and Explaining Experience from Wesley to James. (Princeton: Princeton University Press, 1999) p. 126.