...Gerald Gratch; Joseph A. Schatz Piaget’s infancy books are examined in the light of an emerging climate of thinking about minds as loosely coupling and historically conditioned networks of mental agencies. The analysis is focussed on Piaget’s work on prehension. We provide reasons for suggesting...

...Jacques Vauclair Object manipulation in primates is discussed with regard to the phylogenetic evolution of intelligence. Comparative data are reported on prehension schemes and levels of complexity in object manipulation by three primate species: a human infant, a pigmy chimpanzee, and a common...