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Poster De Conférence Année : 2021

Statistical Learning of Second-Order Transitional Probabilities in Humans

Résumé

The order of stimuli within sequences and the transitional probabilities (TPs) these orders generate are central information in language acquisition, but less is known about how this type of information is extracted by general learning mechanisms. The present study focused on the statistical learning of second-order TPs (i.e., only the combination of two stimuli allowing to predict the third) of visual sequences. Eight three-item sequences exclusively governed by second-order TPs were presented. The response times were measured with oculometry. The task included a learning phase and a switch phase which reset the second-order TPs (e.g., the sequences ABC and BAF became respectively ABF and BAC). Results indicated a sole decrease of RTs between the second and the third stimulus and an increase of RTs during the switch phase that suggested the learnability of second-order TPs. We discuss this result in light of language acquisition.

Domaines

Psychologie
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Dates et versions

hal-03509457 , version 1 (04-01-2022)

Identifiants

  • HAL Id : hal-03509457 , version 1

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Laura Lazartigues, Fabien Mathy, Frédéric Lavigne. Statistical Learning of Second-Order Transitional Probabilities in Humans. 62nd Virtual annual meeting of the Psychonomic Society, Nov 2021, Virtuel, United States. ⟨hal-03509457⟩
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