La représentation de l’espace chez l’enfant
With B. Inhelder
In collaboration with H. Aebli, G. Ascoli, B. Begert Demetriades, E. Bussmann, E. de Jonhg, E. de Planta, M. Denis-Prinzhorn, U. Galusser, M. Gantenbein, J. Halperin-Goetschel, I. Kiss, L. Laurent, G. Lewinnek, E. Meyer, A. Morf, J. Nicolas, C. Renard, M. Roth, E. Sontag and S. Taponier.
This research has been conducted since the mid-1930s and has included thousands of interviews with children. The book shows that the notion of space is a reconstruction of the preceding schematic elaborations, resulting from motor and perceptual coordination.