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RESEARCH PRODUCT

Do children with overweight respond faster to food-related words?

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Abstract Overweight in childhood is a risk factor in developing obesity as an adult, thus having severe consequences on the individuals’ physical health and psychological well-being. Therefore, studying the cognitive and emotional processes that sustain overweight is essential not only at a theoretical level but also to develop effective interventions. In the present experiment, we examined whether children with overweight respond faster to food-related than non-food-related words in a word recognition task: lexical decision. The participants were 24 children diagnosed with exogenous overweight and 24 children with a healthy weight. The stimulus list included positively valenced food-related words and positively valenced non-food-related words matched in a number of psycholinguistic variables—we also included negatively valenced non-food words. While children with a healthy weight showed similar response times to positively valenced food-related and non-food-related words, children with overweight showed much faster response times to food-related words than to non-food-related words. Furthermore, both children with overweight and children with a healthy weight responded faster to positive than to negative words. These findings suggest a complex interplay of cognitive and emotional factors during word processing that can be used to implement more effective treatments for childhood overweight.