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    The importance of "what": infants use featural information to index events

    Kirkham, Natasha Z. and Richardson, D.C. and Wu, Rachel and Johnson, S.P. (2012) The importance of "what": infants use featural information to index events. Journal of Experimental Child Psychology 113 (3), pp. 430-439. ISSN 0022-0965.

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    Abstract

    Dynamic spatial indexing is the ability to encode, remember, and track the location of complex events. For example, in a previous study, 6-month-old infants were familiarized to a toy making a particular sound in a particular location, and later they fixated that empty location when they heard the sound presented alone (Journal of Experimental Psychology: General, 2004, Vol. 133, pp. 46–62). The basis and developmental trajectory of this ability are currently unclear. We investigated dynamic spatial indexing across the first year after birth and tested the hypothesis that the structure of visual cues supports infants’ learning of sound and location associations. In our study, 3-, 6-, and 10-month-olds were tested in a dynamic spatial indexing eye movement paradigm that paired two sounds with two locations. In one condition, these were reliably paired with two sets of visual features (two toys condition), replicating the original studies. We also presented a single set of visual cues in both locations (one toy condition) and multiple sets of visual features in both locations (six toys condition). Infants from 3 months of age onward showed evidence of dynamic spatial indexing in the two toys condition, but only the 10-month-olds succeeded in the one toy and six toys conditions. We argue that this may reflect a broader developmental trajectory, whereby infants first make use of multiple cue integration but with age are able to learn from a narrow set of cues.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Infancy, Spatial indexing, Multiple cues, Multimodal, Eye tracking, Binding
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Research Centre: Brain and Cognitive Development, Centre for (CBCD)
    Depositing User: Administrator
    Date Deposited: 08 Aug 2012 15:55
    Last Modified: 02 Dec 2016 11:51
    URI: http://eprints.bbk.ac.uk/id/eprint/5032

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