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    Action enhances predicted touch

    Thomas, Emily and Yon, Daniel and de Lange, F.P. and Press, Clare (2022) Action enhances predicted touch. Psychological Science 33 (1), pp. 48-59. ISSN 0956-7976.

    ThomasYonDeLangePress_PsychScience_2021.pdf - Author's Accepted Manuscript

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    It is widely believed that predicted tactile action outcomes are perceptually attenuated. The present experiments determined whether predictive mechanisms necessarily generate attenuation, or instead can enhance perception – as typically observed in sensory cognition domains outside of action. We manipulated probabilistic expectations in a paradigm often used to demonstrate tactile attenuation. Participants produced actions and subsequently rated the intensity of forces on a static finger. Experiment 1 confirmed previous findings that action outcomes are perceived less intensely than passive stimulation but demonstrated more intense perception when active finger stimulation was removed. Experiments 2 and 3 manipulated prediction explicitly and found that expected touch during action is perceived more intensely than unexpected touch. Computational modelling suggested that expectations increase the gain afforded to expected tactile signals. These findings challenge a central tenet of prominent motor control theories and demonstrate that sensorimotor predictions do not exhibit a qualitatively distinct influence on tactile perception.


    Item Type: Article
    Additional Information: Accepted for publication by Sage Journals. Reuses restricted to non-commercial and no derivatives.
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    Research Centres and Institutes: Neuroimaging, Birkbeck-UCL Centre for (BUCNI)
    Depositing User: Clare Press
    Date Deposited: 12 May 2021 10:28
    Last Modified: 02 Aug 2023 18:09


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