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The contribution of response conflict, multisensory integration, and body-mediated attention to the crossmodal congruency effect

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  • Additional Information
    • Publisher Information:
      Springer Verlag 2017
    • Abstract:
      The crossmodal congruency task is a consolidated paradigm for investigating interactions between vision and touch. In this task, participants judge the elevation of a tactile target stimulus while ignoring a visual distracter stimulus that may occur at a congruent or incongruent elevation, thus engendering a measure of visuo-tactile interference (crossmodal congruency effect, CCE). The CCE reflects perceptual, attentional, and response-related factors, but their respective roles and interactions have not been set out yet. In two experiments, we used the original version of the crossmodal congruency task as well as ad hoc manipulations of the experimental setting and of the participants’ posture for characterizing the contributions of multisensory integration, body-mediated attention, and response conflict to the CCE. Results of the two experiments consistently showed that the largest amount of variance in the CCE is explained by the reciprocal elevation of visual and tactile stimuli. This finding is compatible with a major role of response conflict for the CCE. Weaker yet distinguishable contributions come from multisensory integration, observed in the absence of response conflict, and from hand-mediated attentional binding, observed with the modified posture and in the presence of response conflict. Overall, this study informs the long-standing debate about mechanisms underlying the CCE by revealing that the visuo-tactile interference in this task is primarily due to the competition between opposite response tendencies, with an additional contribution of multisensory integration and hand-mediated attentional binding
    • Subject Terms:
      Bodily attention; Crossmodal congruency effect; Hand-mediated binding; Multisensory integration; Response conflict; Visuo-tactile; Neuroscience (all); info:eu-repo/semantics/article
    • Availability:
      Open access content. Open access content
    • Note:
      English
    • Other Numbers:
      ITBAO oai:boa.unimib.it:10281/142153
      10.1007/s00221-016-4849-4
      info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85001042461
      link.springer.de/link/service/journals/00221/index.htm
      1308919941
    • Contributing Source:
      BICOCCA OPEN ARCH
      From OAIster®, provided by the OCLC Cooperative.
    • Accession Number:
      edsoai.on1308919941
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