Spiritism is a science and a philosophy that deals with the nature, origin and destiny of spirits, their relationship with the bodily world.
Every person in a body also has a spirit, which is why the teachings given by disembodied spirits also concern the so-called psychic faculties which are:
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These faculties are not mediumistic, in the sense that the subject is not in contact with a disembodied spirit.
It is its only capacities which are used.