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Psychon Bull Rev. 2019 Aug;26(4):1433-1439. doi: 10.3758/s13423-019-01578-w.

A postdictive bias associated with déjà vu.

Author information

1
Department of Psychology, Colorado State University, Fort Collins, CO, 80523, USA. Anne.Cleary@colostate.edu.
2
Department of Psychology, Colorado State University, Fort Collins, CO, 80523, USA.

Abstract

Recent research links reports of déjà vu - the feeling of having experienced something before despite knowing otherwise - with an illusory feeling of prediction. In the present study, a new finding is presented in which reports of déjà vu are associated not only with a predictive bias, but also with a postdictive bias, whereby people are more likely to feel that an event unfolded as expected after the event prompted déjà vu than after it did not. During a virtual tour, feelings of predicting the next turn were more likely during reported déjà vu, as in prior research. Then, after actually seeing the turn, participants exhibited a postdictive bias toward feeling that the scene unfolded as expected following déjà vu reports. This postdictive bias following déjà vu reports was associated with higher perceived scene familiarity intensity. A potential reason for this association may be that high familiarity intensity as an event outcome unfolds falsely signals confirmatory evidence of having sensed all along how it would unfold. Future research should further investigate this possibility.

PMID:
31313049
DOI:
10.3758/s13423-019-01578-w

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