Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Seeing the Error in my “Bayes”: A Quantified Degree of Belief Change Correlates with Children's Pupillary Surprise Responses Following Explicit Predictions

Version 1 : Received: 5 November 2022 / Approved: 8 November 2022 / Online: 8 November 2022 (03:10:17 CET)

A peer-reviewed article of this Preprint also exists.

Colantonio, J.; Bascandziev, I.; Theobald, M.; Brod, G.; Bonawitz, E. Seeing the Error in My “Bayes”: A Quantified Degree of Belief Change Correlates with Children’s Pupillary Surprise Responses Following Explicit Predictions. Entropy 2023, 25, 211. Colantonio, J.; Bascandziev, I.; Theobald, M.; Brod, G.; Bonawitz, E. Seeing the Error in My “Bayes”: A Quantified Degree of Belief Change Correlates with Children’s Pupillary Surprise Responses Following Explicit Predictions. Entropy 2023, 25, 211.

Abstract

Bayesian models allow us to investigate children’s belief revision alongside physiological states like “surprise”. Recent work finds that pupil dilation (or the “pupillary surprise response”) following expectancy-violations may be predictive of belief revision. How can probabilistic models inform interpretations of “surprise”? Shannon Information considers the likelihood of an observed event, given prior beliefs – suggesting stronger surprise occurs following unlikely events. In contrast, Kullback-Leibler divergence considers the “dissimilarity” between prior beliefs and updated beliefs following observations – with greater surprise indicating more change between belief states to accommodate information. To assess these accounts under different learning contexts, we use Bayesian models that compare these computational measures of “surprise” to contexts where children are asked to either predict or to evaluate the same evidence during a water displacement task. We find correlations between the computed Kullback-Leibler divergence and children’s pupillometry responses only when children actively make predictions, and no correlation between Shannon Information and pupillometry. This suggests that when children attend to their beliefs and make predictions, pupillary responses may signal the degree of divergence between a child’s current beliefs and updated, more accommodating beliefs.

Keywords

Bayesian Inference; Cognitive Development; Learning; Prediction; Pupil Dilation; Science Learning; Surprise

Subject

Social Sciences, Cognitive Science

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