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The importance of feature distribution and correlation for simulating 3 to 4-month-old infants' visual categorization processes

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Mermillod, Martial [Université Grenoble Alpes, France] Vermeulen, Nicolas [UCL] Kaminski, Gwenael [Université de Toulouse, France] Gentaz, Edouard [Université de Genève, Suisse] Bonin, Patrick [Université de Bourgogne, France]

Mareschal, French, and Quinn (2000) and Mareschal, Quinn, and French (2002) have proposed a connectionist model of visual categorization in 3- to 4-month-old infants that simulates and predicts previously unexplained behavioural effects such as the asymmetric categorization effect (French, Mareschal, Mermillod, & Quinn, 2004). In the current paper, we show that the model's ability to simulate the asymmetry depends on the correlational structure of the stimuli. These results are important given that adults (Anderson & Fincham, 1996) as well as infants (Younger & Cohen, 1986) are able to rely on correlation information to perform visual categorization. At a behavioural level, the current paper suggests that pure bottom-up processes, based on the correlational structure of the categories, could explain the disappearance of the asymmetry in older 10-month-old infants (Furrer & Younger, 2005). Moreover, our results also raise new challenges for visual categorization models that attempt to simulate the shift from asymmetric categorization in 3- to 4-month-old to symmetric categorization in 10-month-old infants (Shultz & Cohen, 2004; Westermann & Mareschal, 2004, 2012).

Document type Article de périodique (Journal article) – Article de recherche
Publication date 2013
Language Anglais
Journal information "Visual Cognition" - Vol. 21, no.6, p. 726-738 (2013)
Peer reviewed yes
Publisher Routledge ((United Kingdom) Abingdon)
issn 1350-6285
e-issn 1464-0716
Publication status Publié
Affiliation UCL - SSH/IPSY - Psychological Sciences Research Institute
Links
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Bibliographic reference Mermillod, Martial ; Vermeulen, Nicolas ; Kaminski, Gwenael ; Gentaz, Edouard ; Bonin, Patrick. The importance of feature distribution and correlation for simulating 3 to 4-month-old infants' visual categorization processes. In: Visual Cognition, Vol. 21, no.6, p. 726-738 (2013)
Permanent URL http://hdl.handle.net/2078.1/142414