Disjunctive inference in preverbal infants - Archive ouverte HAL
Article Dans Une Revue iScience Année : 2021

Disjunctive inference in preverbal infants

Résumé

Can preverbal infants utilize logical reasoning such as disjunctive inference? This logical operation requires keeping two alternatives open (A or B), until one of them is eliminated (if not A), allowing the inference: B is true. We presented to 10-month-old infants an ambiguous situation in which a female voice was paired with two faces. Subsequently, one of the two faces was presented with the voice of a male. We measured infants' preference for the correct face when both faces and the initial voice were presented again. Infant pupillary response was measured and utilized as an indicator of cognitive load at the critical moment of disjunctive inference. We controlled for other possible explanations in three additional experiments. Our results show that 10-month-olds can correctly deploy disjunction and negation to disambiguate scenes, suggesting that disjunctive inference does not rely on linguistic constructs.
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hal-03874588 , version 1 (28-11-2022)

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Milad Ekramnia, Jacques Mehler, Ghislaine Dehaene-Lambertz. Disjunctive inference in preverbal infants. iScience, 2021, 24 (10), pp.103203. ⟨10.1016/j.isci.2021.103203⟩. ⟨hal-03874588⟩
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