Part of the authoritative four–volume reference that spans the entire field of child development and has set the standard against which all other scholarly references are compared. Updated and revised to reflect the new developments in the field, the Handbook of Child Psychology, Sixth Edition contains new chapters on such topics as spirituality, social understanding, and non–verbal communication. Volume 2: Cognition, Perception, and Language , edited by Deanna Kuhn, Columbia University, and Robert S. Siegler, Carnegie Mellon University, covers mechanisms of cognitive and perceptual development in language acquisition. It includes new chapters devoted to neural bases of cognition, motor development, grammar and langauge rules, information processing, and problem solving skills.