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Chess is a game that involves many aspects of high level cognition and requires sophisticated problem solving skills. However, there is little understanding of the neural basis of chess cognition. This study employed functional magnetic resonance imaging (fMRI) to identify cortical areas that are active during the analysis of chess positions compared with a(More)
Previous studies of polygamy and child mental health have primarily focused on younger children. The present studies are among the first to focus on adolescents. The first study involved 210 randomly selected Bedouin Arab adolescents (mean age 15.9), who were administered instruments assessing their family environment and mental health. The second study(More)
Adolescence is often primarily viewed as a problematic period of development. This paper provides a counterview that adolescence is a life period of considerable potential development and productivity. Psychological research on formal operations, conceptual research on the quality of life, and historical findings from the Italian Renaissance provide the(More)
In a sample of Bedouin-Arab adolescents from monogamous and polygamous families in the Negev region of Israel, the authors examined scholastic achievement levels in the subjects of Arabic, English, Hebrew, and mathematics. There were no significant differences in the scholastic achievement levels in those 4 disciplines between adolescents from monogamous(More)
Unschooled subjects and schooled subjects received instructions on a free-classification task either with or without taxonomic examples. Unschooled subjects who received taxonomic examples gave significantly more taxonomic responses than those unschooled subjects who did not receive such examples. However, providing taxonomic examples did not increase(More)
The levels of intelligence among Bedouin Arab adolescents from monogamous and polygamous families living in the Negev region of Israel were examined. A shortened version of the Raven's Progressive Matrices (RPM) test (S. Elbedour, T. J. Bouchard, & Y. Hur, 1997; J. Raven, J. C. Raven, & J. H. Court, 1998) was used to assess intelligence. There were no(More)