Three studies investigated the effects of concrete versus abstract wording and negative versus positive premises on the difficulty subjects had in solving several kinds of reasoning tasks. Subjects for all three studies were college undergraduates who received booklets containing either hypothetical, disjunctive, or linear syllogisms. Each booklet…

Argues that early childhood experiences with processes as diverse as language, mathematics, emotion, and music determine which neurons grow and remain active in the brain. Early exposure to these processes results in receptive programming. Discusses the implications for schools, teachers, and parents. (MJP)

Stanford University's new Symbolic Systems Program is an interdisciplinary undergraduate program focusing on understanding the nature of intelligent behavior. It brings together the disciplines of cognitive psychology, logic, computer science and artificial intelligence, philosophy, and linguistics in a newly emerging field of research concerned…