Reflects on Needham's findings on infants' object recognition and segregation. Examines the role for perceptual bias in explaining infant performance, places Needham's studies in historical perspective, and assesses their theoretical significance. Discusses the merits of positing different kinds of information sources for object segregation, and…

Assessed 5-, 6-, 8- and 9-year-olds on two working memory tasks to explore the complementarity of working memory models postulated by Pascual-Leone and Baddeley. Pascual-Leone's theory offered a clear explanation of the results concerning central aspects of working memory. Baddeley's model provided a convincing account of findings regarding the…

Reports on connectionist models that simulated the formation of global-level and basic-level representations in young infants; revealed a global-to-basic order of category emergence; uncovered formation of two global-level representations--initial "self-organizing" perceptual level and subsequent "trained," non-perceptual level; and displayed…

Clark's Semantic Feature Acquisition theory of semantic development is reviewed and evaluated against the recent experimental literature with special reference to the acquisition of English antonyms. (Author/MP)

Suggests that the use of the operant conditioning paradigm, as it has been applied to infant social, vocal behavior, fails to take into account the social nature of human infants over and above the rigid theoretical rationale of the Paradigm. (MP)

This introduction reviews recent trends in childhood memory research, focusing on closer relations between the study of memory development and the study of cognitive and neurological development, new relations between the study of memory development and the study of adult memory, and new relations between the study of memory development and…

Summarizes and critiques 16 studies involving the cognitive and behavioral effects of aerobic exercise on children in both schools and clinical settings. Concludes that few studies concurrently measure physical and psychological changes that may accompany exercise in children and suggests methods for further investigation. (SW)