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Cognitive ability and hemispheric indecision : two surpluses and a deficit


  • Kevin Denny


This paper re-examines a finding by Crow et al. (1998) showing that equal skill of right and left hands – hemispheric indecision - is associated with deficits in cognitive ability. This is consistent with the idea that failure to develop dominance of one hemisphere is associated with various pathologies such as learning difficulties. Using the same data, the British National Child Development Study, we find strong evidence of both surpluses and a deficit associated with this indecision. So no general association between indecision and cognitive ability can be drawn from this data.

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  • Kevin Denny, 2006. "Cognitive ability and hemispheric indecision : two surpluses and a deficit," Working Papers 200612, School of Economics, University College Dublin.
  • Handle: RePEc:ucn:wpaper:200612

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    References listed on IDEAS

    1. Kevin Denny & Vincent O’ Sullivan, 2007. "The Economic Consequences of Being Left-Handed: Some Sinister Results," Journal of Human Resources, University of Wisconsin Press, vol. 42(2).
    2. Kevin Denny & Vincent O'Sullivan, 2004. "The economic consequences of being left-handed : some sinister results (version 2.0)," Working Papers 200422, School of Economics, University College Dublin.
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    Cited by:

    1. Kevin Denny, 2008. "Cognitive ability and continuous measures of relative hand-skill : a note," Open Access publications 10197/1132, School of Economics, University College Dublin.
    2. repec:ucn:wpaper:10197/1132 is not listed on IDEAS

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    Cerebral dominance; Intelligence; Ambidexterity; Handedness; Laterality; Cognition;

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