What are the origins of object permanence? Despite widespread interest in this question, methodological barriers have prevented detailed analysis of how experience shapes the development of object permanence in newborn organisms. Here, we introduce an automated controlled-rearing method for studying the emergence of object permanence in strictly…

Three experiments investigated 14-, 18-, and 24- month-old infants' understanding of visual perception. Infants viewed films in which a protagonist was either able to view the location of a hidden object (Visual Access condition) or was blindfolded when the object location was revealed (No Visual Access condition). When requested to find the…

Two studies tested whether 12- and 24-month olds' self-knowledge differed from their knowledge of others (mother or inanimate object), or whether toddlers' knowledge of persons (self and mother) differed from knowledge of objects. Results showed that 12-month olds were more sensitive than older toddlers to perceptual features of objects. Data were…

Examines development of representational thought from the perspective of Jean Mandler's image-schema theory and an action-theoretical approach derived from Piaget's theory. Concludes that empirical findings fail to support hypotheses of early onset, and that representational development is more adequately interpreted within the context of an…

Children and adults listened to stories that contained a goal sentence and an inconsistent outcome. Several encoding and retrieval factors were simultaneously manipulated in the stories. Interaction effects in situations with weak encoding constraint decreased with age. (BC)

Presents paradigmatic case of "failure to know" involving a 36-year-old man treated in psychoanalytic therapy. Reviews issues such as the construction of narrative meaning, the concept of alexithymia, and the object-relational concept of the "unthought known." Discusses transference-countertransference matrix. (JBJ)