Briefly reviews current knowledge about the nature of limits of intersubjectivity (ability to acquire and manage representations of self and other through social experience) in autistic children. Describes an observational study of verbal autistic children indicating the presence of intersubjectivity, but with little of the verbal social…

Reviews current research on children's concepts and categories that reflects a growing consensus that nonperceptual knowledge is central to concepts and determines category membership, whereas perceptual knowledge is peripheral in concepts and only a rough guide to category membership. Argues that there is no compelling basis in theory or in data…