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Updated: Jul 17, 2025
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Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
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Beyond peripersonal boundaries: insights from crossmodal interactions
Gianluca Finotti1, Dario Menicagli2, Daniele Migliorati3
1Centre for Studies and Research in Cognitive Neuroscience, Department of Psychology, University of Bologna, Via Rasi e Spinelli 176, 47521, Cesena (FC), Italy. g.finotti@unibo.it.
Cognitive Processing
|September 1, 2023
Summary
Visual self-location information modulates multisensory processing within the peripersonal space (PPS). This top-down modulation of the bodily self is restricted to the PPS, influencing crossmodal congruency effects (CCE).
Area of Science:
- Neuroscience
- Cognitive Psychology
- Body Representation
Background:
- The self is experienced as a body situated in space.
- Integration of self-location into peripersonal space (PPS) representation is not fully understood.
- Visual self-related information influences multisensory processing in PPS.
Purpose of the Study:
- To investigate if top-down modulation of multisensory processing by body-related visual information depends on its spatial location.
- To determine if this modulation is confined to the peripersonal space (PPS).
Main Methods:
- Utilized the crossmodal congruency effect (CCE) paradigm.
- Participants responded to tactile stimuli while ignoring visual distractors on their mirror reflection.
- Visual distractors were presented either in the peripersonal space (Near) or extrapersonal space (Far).
Main Results:
- A significantly larger CCE was observed when visual distractors were in the peripersonal space compared to the extrapersonal space.
- This indicates that visual self-location information modulates multisensory processing.
Conclusions:
- Top-down modulation of the multisensory bodily self is spatially restricted.
- This modulation is effective only within the boundaries of the peripersonal space (PPS).
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