Humans perceptually extract quantity information from our environments, be it from simple stimuli in isolation, or from relational magnitudes formed by taking ratios of pairs of simple stimuli. Some have proposed that these two types of magnitude are processed by a common system, whereas others have proposed separate systems. To test these…

The goal of the experiment was to examine the relevance of a new French web-based assessment, Tinfolec (Test INFOrmatisé d'évaluation de la LECture), the aim of which is to evaluate the reading abilities of children in primary grades. The participants were 1,016 children from Grades 2 to 5. They completed the five tasks of Tinfolec designed to…

Children with developmental dyslexia (DD) may differ from typical readers in aspects other than reading. The notion of a general deficit in the ability to acquire and retain procedural ("how to") knowledge as long-term procedural memory has been proposed. Here, we compared the ability of elementary school children, with and without…