[Investigation into the structure of space in normal and mentally handicapped children (author's transl)].
D002657:Child Development; D003071:Cognition; D004495:Education of Persons with Intellectual Disabilities; D004644:Emotions; D006801:Humans; D010466:Perceptual Closure; D013028:Space Perception
Recherche sur la structuration de l'espace chez l'enfant normal et chez l'handicapé mental