Role of functional and categorial relations in conceptual organisation during development

involving an intentional retrieval of the relations existing among objects and hence evaluating the explicit level of information processing. The novelty of our approach is to use a priming paradigm with a naming task in order to evaluate, at an implicit or automatic level of information processing, the prevalence of functional or categorial (taxonomic) relations among manufactured objects in children aged 5, 7 and 9 year