Motivated by the link between play and learning, proposed in literature to have a neurobiological basis, we study the electroencephalogram and associated psychophysiology of "learning game" players. Forty-five players were tested for topic comprehension by a questionnaire administered before and after solo playing of the game Peacemaker…

Two features of a new horizontal conceptualization of expertise are explored. Polycontextuality refers to the multiple ongoing tasks apparent in expert work, and boundary crossing is considered as a cognitive process that characterizes much expertise. Three case studies, one in a Finnish elementary school, illustrate these concepts. (SLD)

Background: The relationship between the age of reaching infant developmental milestones and later intellectual function within the normal population remains unresolved. We hypothesised that the age of learning to stand in infancy would be associated with adult executive function and that the association would be apparent throughout the range of…