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Bayesian Surprise Predicts Human Event Segmentation in Story Listening.
Kumar, Manoj; Goldstein, Ariel; Michelmann, Sebastian; Zacks, Jeffrey M; Hasson, Uri; Norman, Kenneth A.
Afiliación
  • Kumar M; Princeton Neuroscience Institute, Princeton University.
  • Goldstein A; Department of Cognitive and Brain Sciences and Business School, Hebrew University.
  • Michelmann S; Google Research, Tel-Aviv.
  • Zacks JM; Princeton Neuroscience Institute, Princeton University.
  • Hasson U; Department of Psychological & Brain Sciences, Washington University in St. Louis.
  • Norman KA; Princeton Neuroscience Institute, Princeton University.
Cogn Sci ; 47(10): e13343, 2023 10.
Article en En | MEDLINE | ID: mdl-37867379
ABSTRACT
Event segmentation theory posits that people segment continuous experience into discrete events and that event boundaries occur when there are large transient increases in prediction error. Here, we set out to test this theory in the context of story listening, by using a deep learning language model (GPT-2) to compute the predicted probability distribution of the next word, at each point in the story. For three stories, we used the probability distributions generated by GPT-2 to compute the time series of prediction error. We also asked participants to listen to these stories while marking event boundaries. We used regression models to relate the GPT-2 measures to the human segmentation data. We found that event boundaries are associated with transient increases in Bayesian surprise but not with a simpler measure of prediction error (surprisal) that tracks, for each word in the story, how strongly that word was predicted at the previous time point. These results support the hypothesis that prediction error serves as a control mechanism governing event segmentation and point to important differences between operational definitions of prediction error.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Lenguaje Límite: Humans Idioma: En Revista: Cogn Sci Año: 2023 Tipo del documento: Article

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Lenguaje Límite: Humans Idioma: En Revista: Cogn Sci Año: 2023 Tipo del documento: Article