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    Space perception and body morphology: extent of near space scales with arm length

    Longo, Matthew R. and Lourenco, S.F. (2007) Space perception and body morphology: extent of near space scales with arm length. Experimental Brain Research 177 , pp. 285-290. ISSN 0014-4819.

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    Abstract

    Numerous studies have found that the near space immediately surrounding the body is represented differently than more distant space. In a previous study, we found a gradual shift in attentional bias (on a line bisection task) between near and far space (Longo and Lourenco in Neuropsychologia 44:977–981, 2006). The present study concerns the possibility that arm length relates systematically to the rate at which this gradual shift between near and far space occurs. Participants bisected lines using a laser pointer at eight distances (within and beyond arm’s reach), and the rate of shift was estimated by the slope of the least-squares regression line. A negative correlation was found between the slopes and arm length; participants with longer arms showed a more gradual shift in bias with increasing distance than those with shorter arms. These results suggest that, while near space cannot be considered categorically as that within arm’s reach, there is a systematic relation between the extent (“size”) of near space and arm length. Arm length may constitute an intrinsic metric for the representation of near space.

    Metadata

    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    Depositing User: Sarah Hall
    Date Deposited: 07 Jan 2020 09:48
    Last Modified: 02 Aug 2023 17:56
    URI: https://eprints.bbk.ac.uk/id/eprint/30500

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