No evidence for retrocausation in two classic cuing paradigms

Jordan J. Wehrman*

*Corresponding author for this work

Research output: Contribution to journalArticle

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Retrocausation describes how an event that happens in the future may affect the present. For example, determining the state of an entangled particle in the future can determine the state of an entangled particle in the present. Recently, this phenomenon has been reported in the psychological literature, with several studies reporting that events which have yet to happen affect performance in various tasks. In this article, two classical manipulations of expectation from the psychological literature, endogenous and exogenous cueing, have been used to explore retrocausal effects on reaction speeds. The findings demonstrate no effect of retrocausation, supported by both frequentist and Bayesian statistical analysis. This is an important finding from two perspectives. First, it may indicate a limiting condition of retrocausal effects. Alternatively, it may contribute to research demonstrating a lack of retrocausation.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalSAGE Open
Issue number2
Publication statusPublished - Apr 2019

Bibliographical note

Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.


  • parapsychology
  • retrocausation
  • cuing
  • Posner
  • reaction time

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