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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Mathematical ability and the right-shift theory of handedness.
    Author: Whittington JE, Richards PN.
    Journal: Neuropsychologia; 1991; 29(11):1075-82. PubMed ID: 1775226.
    Abstract:
    A genetic theory of handedness, the right-shift theory, associates differential patterns of cerebral functioning with contrasting handedness groups and suggests that individuals with an rs + + genotype will be disadvantaged in mathematical performance. This hypothesis is investigated with contrasting handedness groups drawn from a national sample of over 11,000 children from the National Child Development Study. Some differentiation in cognitive performance between handedness groups is found in the direction predicted by the right-shift theory but the level of the findings is not statistically significant. The rs+ +/mathematical deficit hypothesis is not confirmed.
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