Integration of audio-visual information in 8 months old infants  

Lisa Gustavsson, Ulla Sundberg, Eeva Klintfors, Ellen Marklund, Lisa Lagerkvist & Francisco Lacerda

In the Proceedings of the Fourth International Workshop on Epigenetic Robotics (EPIROB 2004). Lund University Cognitive Studies 117: 143-144.


The results from a series of perception experi-ments designed to test 8-month-old infants' ability to derive linguistic information from audio-visual events are reported in this presentation. Using a visual preference technique, groups of 8-month-old infants were tested on their ability to extract linguistic information implicit in short video sequences where the images displayed dif-ferent puppets and the audio tracks presented sen-tences describing the puppets in naturalistic infant-directed speech style. To assess the relative impor-tance of memory and attention factors, the prosodic and syntactic structure of the speech materials was systematically changed across different groups of subjects. The experimental results are interpreted in terms of the emergentistic acquisition model discussed in the paper presented by Lacerda et al. ("Ecological theory of language acquisition").

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