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Changing Brains :The nature of change in our aging

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As we get older, our cognitive abilities change, improving when we're younger and declining as we age. Scientists posit a hierarchical structure within which these abilities are organized. There's the "lowest" level -- measured by specific tests, such as story memory or word memory; the second level, which groups various skills involved in a category of cognitive ability, such as memory, perceptual speed, or reasoning; and finally, the "general," or G, factor, a sort of statistical aggregate of all the thinking abilities. What happens to this structure as we age? That was the question Timothy A. Salthouse, Brown-Forman professor of psychology at the University of Virginia, investigated in a new study appearing in an upcoming issue of  Psychological Science , a journal published by the Association for Psychological Science. His findings advance psychologists' understanding of the complexities of the aging brain. "There are three hypotheses about how ...
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How successful students overcome math anxiety

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Success in math takes practice to control fears. Using brain-imaging technology for the first time with people experiencing mathematics anxiety, University of Chicago scientists have gained new insights into how some students are able to overcome their fears and succeed in math. For the highly math anxious, researchers found a strong link between math success and activity in a network of brain areas in the frontal and parietal lobes involved in controlling attention and regulating negative emotional reactions. This response kicked in at the very mention of having to solve a mathematics problem. Teachers as well as students can use the information to improve performance in mathematics, said Sian Beilock, associate professor in psychology at the University of Chicago. Beilock and PhD student Ian Lyons report their findings in the article, "Mathematics Anxiety: Separating the Math from the Anxiety," published Oct. 20 in the journal  Cerebral Cortex . "Classroom prac...
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Social networking's good and bad impacts on kids

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Psychologists explore myths, realities and offer guidance for parents Social media present risks and benefits to children but parents who try to secretly monitor their kids' activities online are wasting their time, according to a presentationat the 119th Annual Convention of the American Psychological Association. "While nobody can deny that Facebook has altered the landscape of social interaction, particularly among young people, we are just now starting to see solid psychological research demonstrating both the positives and the negatives," said Larry D. Rosen, PhD, professor of psychology at  California   State   University , Dominguez Hills. In a plenary talk entitled, "Poke Me: How Social Networks Can Both Help and Harm Our Kids," Rosen discussed potential adverse effects, including: Teens who use Facebook more often show more narcissistic tendencies while young adults who have a strong Facebook presence show more signs of other psychological disorders, i...
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