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    The effects of verbal cueing on implicit hand maps

    Mattioni, S. and Longo, Matthew R. (2014) The effects of verbal cueing on implicit hand maps. Acta Psychologica 153 , pp. 60-65. ISSN 0001-6918.

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    Abstract

    The use of position sense to perceive the external spatial location of the body requires that immediate proprioceptive afferent signals be combined with stored representations of body size and shape. Longo and Haggard (2010) developed a method to isolate and measure this representation in which participants judge the location of several landmarks on their occluded hand. The relative location of judgments is used to construct a perceptual map of hand shape. Studies using this paradigm have revealed large, and highly stereotyped, distortions of the hand, which is represented as wider than it actually is and with shortened fingers. Previous studies using this paradigm have cued participants to respond by giving verbal labels of the knuckles and fingertips. A recent study has shown differential effects of verbal and tactile cueing of localisation judgments about bodily landmarks (Cardinali et al., 2011). The present study therefore investigated implicit hand maps measuring through localisation judgments made in response to verbal labels and tactile stimuli applied to the same landmarks. The characteristic set of distortions of hand size and shape were clearly apparent in both conditions, indicating that the distortions reported previously are not an artefact of the use of verbal cues. However, there were also differences in the magnitude of distortions between conditions, suggesting that the use of verbal cues may alter the representation of the body underlying position sense.

    Metadata

    Item Type: Article
    Additional Information: “NOTICE: this is the author’s version of a work that was accepted for publication in Acta Psychologica. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in ACTA PSYCHOLOGICA, V.153, pp.60-65, Nov 2014, DOI: 10.1016/j.actpsy.2014.09.009
    Keyword(s) / Subject(s): Body representation, Touch, Proprioception, Position sense
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Research Centre: Brain and Cognitive Development, Centre for (CBCD)
    Depositing User: Matthew Longo
    Date Deposited: 13 Oct 2014 11:05
    Last Modified: 02 Dec 2016 11:52
    URI: http://eprints.bbk.ac.uk/id/eprint/10570

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