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Research Article

Advanced Paternal Age Is Associated with Impaired Neurocognitive Outcomes during Infancy and Childhood

  • Sukanta Saha equal contributor,

    equal contributor Contributed equally to this work with: Sukanta Saha, Adrian G Barnett

    Affiliation: Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Richlands, Australia

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  • Adrian G Barnett equal contributor,

    equal contributor Contributed equally to this work with: Sukanta Saha, Adrian G Barnett

    Affiliation: Institute of Health and Biomedical Innovation and School of Public Health, Queensland University of Technology, Kelvin Grove, Australia

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  • Claire Foldi,

    Affiliation: Queensland Brain Institute, The University of Queensland, St. Lucia, Australia

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  • Thomas H Burne,

    Affiliations: Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Richlands, Australia, Queensland Brain Institute, The University of Queensland, St. Lucia, Australia

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  • Darryl W Eyles,

    Affiliations: Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Richlands, Australia, Queensland Brain Institute, The University of Queensland, St. Lucia, Australia

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  • Stephen L Buka,

    Affiliation: Department of Community Health, Brown University, Providence, Rhode Island, United States of America

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  • John J McGrath mail

    To whom correspondence should be addressed. E-mail: john_mcgrath@qcmhr.uq.edu.au

    Affiliations: Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Richlands, Australia, Queensland Brain Institute, The University of Queensland, St. Lucia, Australia, Department of Psychiatry, The University of Queensland, St. Lucia, Australia

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  • Published: March 10, 2009
  • DOI: 10.1371/journal.pmed.1000040

Reader Comments (2)

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Birth order?

Posted by jimcall on 02 Apr 2009 at 19:44 GMT

I was surprised the analysis did not control for--or even discuss--birth order, which has a well documented relationship to intelligence and is obviously related to parents' age. If the data allow this control, this work should be redone with the control; if not, then the article should include a discussion of how birth order might have affected the findings.

No competing interests declared.