Two experiments show that action alters the shape categories formed by 2-year-olds. Experiment 1 shows that moving an object horizontally (or vertically) defines the horizontal (or vertical) axis as the main axis of elongation and systematically changes the range of shapes seen as similar. Experiment 2 shows that moving an object symmetrically (or…

Intended for parents, the manual contains suggestions for play and games with visually impaired children. Parents are advised to tell the children what they are doing and using while engaged in activities, to increase their knowledge of the world and of themselves. Ideas span eight areas: body awareness (touching body parts while naming them);…