A taxonomy of surprise definitions

نویسندگان

چکیده

Surprising events trigger measurable brain activity and influence human behavior by affecting learning, memory, decision-making. Currently there is, however, no consensus on the definition of surprise. Here we identify 18 mathematical definitions surprise in a unifying framework. We first propose technical classification these into three groups based their dependence an agent’s belief, show how they relate to each other, prove under what conditions are indistinguishable. Going beyond this analysis, taxonomy classify them four conceptual categories quantity measure: (i) ‘prediction surprise’ measures mismatch between prediction observation; (ii) ‘change-point detection probability change environment; (iii) ‘confidence-corrected explicitly accounts for effect confidence; (iv) ‘information gain belief-update upon new observation. The poses foundation principled studies functional roles physiological signatures brain.

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ژورنال

عنوان ژورنال: Journal of Mathematical Psychology

سال: 2022

ISSN: ['0022-2496', '1096-0880']

DOI: https://doi.org/10.1016/j.jmp.2022.102712