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Retroactive PK

Retroactive PK: PK producing an effect backward in time; to say that event A was caused by retroactive PK is to say that A would not have happened in the way that it did had it not been for a later PK effort exerted so as to influence it; sometimes abbreviated as retroPK; also referred to as backward PK or time-displaced PK.


  1. Parapsychology by Michael A. Thalbourne, Republished by Puente Publications, Charlottesville, VA, USA, 2003