Predicting the Unpredictable: Critical Analysis and Practical Implications of Predictive Anticipatory Activity
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Plain English Summary
What if your body could sense the future? This review digs into 'predictive anticipatory activity' -- the wild finding that human physiology seems to react to emotional events up to ten seconds before they actually happen. Pooling 26 experiments from seven different labs, the authors found a small but remarkably consistent effect, with odds against chance in the trillions. They carefully examined whether sloppy statistics or experimenter expectations could explain things away, and concluded neither holds up. On the speculative side, they float ideas from quantum biology and the nature of conscious experience. Their boldest claim: this unconscious 'time-mirroring' phenomenon, where pre-event body responses look like echoes of post-event responses, could eventually have real-world applications.
Actual Paper Abstract
A recent meta-analysis of experiments from seven independent laboratories (n = 26) indicates that the human body can apparently detect randomly delivered stimuli occurring 1–10 s in the future (Mossbridge et al., 2012). The key observation in these studies is that human physiology appears to be able to distinguish between unpredictable dichotomous future stimuli, such as emotional vs. neutral images or sound vs. silence. This phenomenon has been called presentiment (as in "feeling the future"). In this paper we call it predictive anticipatory activity (PAA). The phenomenon is "predictive" because it can distinguish between upcoming stimuli; it is "anticipatory" because the physiological changes occur before a future event; and it is an "activity" because it involves changes in the cardiopulmonary, skin, and/or nervous systems. PAA is an unconscious phenomenon that seems to be a time-reversed reflection of the usual physiological response to a stimulus. It appears to resemble precognition (consciously knowing something is going to happen before it does), but PAA specifically refers to unconscious physiological reactions as opposed to conscious premonitions. Though it is possible that PAA underlies the conscious experience of precognition, experiments testing this idea have not produced clear results. The first part of this paper reviews the evidence for PAA and examines the two most difficult challenges for obtaining valid evidence for it: expectation bias and multiple analyses. The second part speculates on possible mechanisms and the theoretical implications of PAA for understanding physiology and consciousness. The third part examines potential practical applications.
Research Notes
Primary theoretical companion to the foundational Mossbridge et al. (2012) PAA meta-analysis. Reframes 'presentiment' as 'predictive anticipatory activity' and provides the most detailed pro-PAA defense against methodological criticisms. Central to Controversy #3 (presentiment) and important for understanding the presentiment research program's theoretical framework.
A narrative review of predictive anticipatory activity (PAA), the phenomenon whereby human physiology appears to distinguish between unpredictable future emotional vs. neutral stimuli 1–10 seconds before they occur. Drawing on a meta-analysis of 26 experiments from seven independent laboratories (fixed-effect ES = 0.21, z = 6.9, p < 2.7 × 10⁻¹²; random-effects ES = 0.21, z = 5.3, p < 5.7 × 10⁻⁸), the review critically evaluates p-hacking and expectation bias as alternative explanations, finding neither compelling. Proposes 'temporal mirroring' (pre-event responses mirror post-event responses) and discusses quantum biology and delayed conscious experience as speculative mechanisms. Concludes that PAA is a robust unconscious phenomenon with potential practical applications.
Links
Related Papers
Cites
- Unconscious Perception of Future Emotions: An Experiment in Presentiment — Radin, Dean I (1997)
- Electrodermal Presentiments of Future Emotions — Radin, Dean I (2004)
- A fMRI Brain Imaging Study of Presentiment — Bierman, Dick J (2002)
- Electrocortical Activity Prior to Unpredictable Stimuli in Meditators and Non-Meditators — Radin, Dean I (2011)
- Feeling the Future: Experimental Evidence for Anomalous Retroactive Influences on Cognition and Affect — Bem, Daryl J (2011)
- Extraordinary Claims Require Extraordinary Evidence: The Case of Non-Local Perception, a Classical and Bayesian Review of Evidences — Tressoldi, Patrizio E (2011)
Critiqued By
Same Research Program
- Precognition as a Form of Prospection: A Review of the Evidence — Mossbridge, Julia A (2018)
- Let Your Eyes Predict: Prediction Accuracy of Pupillary Responses to Random Alerting and Neutral Sounds — Tressoldi, Patrizio E (2011)
- Predictive Physiological Anticipation Preceding Seemingly Unpredictable Stimuli: An Update of Mossbridge et al.'s Meta-Analysis — Duggan, Michael (2018)
Companion
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📋 Cite this paper
Mossbridge, Julia A, Tressoldi, Patrizio, Utts, Jessica, Ives, John A, Radin, Dean, Jonas, Wayne B (2014). Predicting the Unpredictable: Critical Analysis and Practical Implications of Predictive Anticipatory Activity. Frontiers in Human Neuroscience. https://doi.org/10.3389/fnhum.2014.00146
@article{mossbridge_2014_predicting,
title = {Predicting the Unpredictable: Critical Analysis and Practical Implications of Predictive Anticipatory Activity},
author = {Mossbridge, Julia A and Tressoldi, Patrizio and Utts, Jessica and Ives, John A and Radin, Dean and Jonas, Wayne B},
year = {2014},
journal = {Frontiers in Human Neuroscience},
doi = {10.3389/fnhum.2014.00146},
}