Mediumship may be positive or negative. The former is rare, for it involves an advanced pupil, highly trained for the purpose, who allows his Master to take possession of his lower vehicles or personality while the pupil retains full consciousness....

Mediumship is a form of relationship to spirits practiced in religions such as Spiritualism, Spiritism, Espiritismo, Candomblé, Voodoo, Kardecism, and Umbanda. [1] The term "mediumship" denotes the ability of a person (the medium) to experience and/or...