Nutrition and Mental Development

understanding of the relation between mental states and the physical world, unpublished manuscript, University of Texas at Austin (1992). 3. J.H. Flavell, F.L. Green, and E.R. Flavell, Young children's knowledge about thinking, unpub lished manuscript, Stanford University, Stanford, CA (1992). 4. S.L. Rosenkrantz, Children's recognition of the facial expressions associated with cognitive I states, unpublished manuscript, Stanford University, Stanford, CA(1991). 5. For results similar to those of Rosenkrantz, see S. Baron-Cohen and P. Cross, Reading the eyes: Evidence for the role of perception in the develop ment of a theory of mind, Mind and Language, 7, I 172-186(1992). I 6. J. Piaget, The Child's Conception of the World (Routledge and Kegan Paul, London, 1929).