%A Pr O Vauclair %A Pr O Houd? %J Developmental Science %T Co-ordination of actions, visual perception, and inhibition in human and non-human primate development %X The originality of Langer's approach to cognitive development (Langer, 1980, 1986) lies in the study of the pragmatic components (actions, object manipulations) of protologicomathematical and protophysical cognition before the age of 2. This perspective falls in line with Piaget's constructive psychology. %K action schemes, visual perception, non human primates, infants, inhibition %P 382-384 %V 3 %D 2000 %L cogprints3594