Jaeggi and her colleagues claimed that they were able to improve fluid intelligence by training working memory. Subjects who trained their working memory on a dual n-back task for a period of time showed significant improvements in working memory span tasks and fluid intelligence tests such as the Raven's Progressive Matrices and the Bochumer…

Derived changes in genes associated with primary microcephaly (MCPH) have been suggested to be "currently sweeping to fixation" i.e., increasing in frequency in most populations, with the likely outcome that the derived allele will completely displace the ancestral allele over time. Possible causes for this sweep include effects on human reasoning…

The aim of this study was to identify promising endophenotypes for intelligence in children and adolescents for future genetic studies in cognitive development. Based on the available set of endophenotypes for intelligence in adults, cognitive tasks were chosen covering the domains of working memory, processing speed, and selective attention. This…

To study age-related improvements in information processing, a release from proactive interference (PI) procedure was used with 144 children in conjunction with a running memory task. For class of item and acoustic similarity, evidence was found for PI release with age, but there was no evidence of a relationship between short-term memory (STM)…

Memory-based searching was compared in 15 developmentally delayed and 24 normal two-year-olds. In a relatively easy memory task, individual differences were minimal, but searching for a plausible alternative location based on memory revealed marked individual differences and an important difference in the cognitive functioning of the delayed…

Available from: Ablex Publishing Corporation, 355 Chestnut Street, Norwood, New Jersey 07648. Two groups (high and low functioning) of educable mentally handicapped children consisting of 70 Ss' average age 127 months' were tested for strategies in their approach to memory and problem solving tasks and for their responsiveness to strategy…

The working memory hypothesis that the development of span in children is related to increasing proficiency in the use of an articulatory loop was tested in two studies with 120 Canadian children in grades 5 and 6 and 11 and 12. Some support was found for the hypothesis. (SLD)