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Probing communication-induced memory biases in preverbal infants: Two replication attempts of Yoon, Johnson and Csibra (2008)

Silverstein, Priya, Gliga, Teodora, Westermann, Gert and Parise, Eugenio (2019) Probing communication-induced memory biases in preverbal infants: Two replication attempts of Yoon, Johnson and Csibra (2008) Infant Behavior and Development, 55. pp. 77-87.

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In a seminal study, Yoon, Johnson and Csibra [PNAS, 105, 36 (2008)] showed that nine-month old infants retained qualitatively different information about novel objects in communicative and non-communicative contexts. In a communicative context, the infants encoded the identity of novel objects at the expense of encoding their location, which was preferentially retained in noncommunicative contexts. This result had not yet been replicated. Here we attempted two replications, while also including a measure of eye-tracking to obtain more detail of infants’ attention allocation during stimulus presentation. Experiment 1 was designed following the methods described in the original paper. After discussion with one of the original authors, some key changes were made to the methodology in Experiment 2. Neither experiment replicated the results of the original study, with Bayes Factor Analysis suggesting moderate support for the null hypothesis. Both experiments found differential attention allocation in communicative and noncommunicative contexts, with more looking to the face in communicative than non-communicative contexts, and more looking to the hand in non-communicative than communicative contexts. High and low level accounts of these attentional differences are discussed.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
Gliga, Teodora
Westermann, Gert
Parise, Eugenio
Date : 2019
Funders : Economic and Social Research Council (ESRC), Leverhulme Trust Doctoral Training Centre Grant
DOI : 10.1016/j.infbeh.2019.03.005
Copyright Disclaimer : © 2019 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license (
Uncontrolled Keywords : Cognitive development; Social learning; Visual short-term memory; Replication; Eye-tracking; Bayes factor analysis
Depositing User : Diane Maxfield
Date Deposited : 12 Nov 2019 12:57
Last Modified : 12 Nov 2019 12:57

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