Cited by 14Virtual Reality Applications and ImpactsMotor Control and AdaptationTactile and Sensory Interactions

The role of the cerebellum in dynamic changes of the sense of body ownership: a study in patients with cerebellar degeneration

Fiorio, Mirta, Mariotti, Caterina, Panzeri, Marta, Antonello, Emanuele, Classen, Joseph, Tinazzi, Michele·2014·Journal of Cognitive Neuroscience

Abstract

The sense of the body is deeply rooted in humans, and it can be experimentally manipulated by inducing illusions in at least two aspects: a subjective feeling of ownership and a proprioceptive sense of limb position. Previous studies mapped these different aspects onto anatomically distinct neuronal regions, with the ventral premotor cortex processing subjective experience of ownership and the inferior parietal lobule processing proprioceptive calibration. Lines of evidence suggest an involvement also of the cerebellum, but its precise role is not clear yet. To investigate the contribution of the cerebellum in the sense of body ownership, we applied the rubber-hand illusion paradigm in 28 patients affected by neurodegenerative cerebellar ataxia, selectively involving the cerebellum, and in 26 age-matched control participants. The rubber hand illusion is established by synchronous stroking of the participants' real unseen hand and a visible fake hand. Short asynchronous stroking does not bring about the illusion. We tested the subjective experience of the illusion, evaluated through a questionnaire and the proprioceptive drift of the real unseen hand toward the viewed rubber hand. In patients with cerebellar ataxia, we observed reduced sense of the subjective illusory experience specifically after synchronous stroking. In contrast, the proprioceptive drift was enhanced after synchronous and after asynchronous stimulation. These findings support the contention that the mechanisms underlying the presence of the illusion and the proprioceptive drift may be differently affected in different conditions. Impairment of the subjective sense of the illusion in cerebellar patients might hint at an involvement of cerebellar-premotor networks, whereas the proprioceptive drift typically associated with synchronous stroking appears to rely on other circuits, likely involving the cerebellum and the parietal regions.

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Crossref · 10.1162/jocn_a_00522

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  • Patients with cerebellar ataxias showed an abnormally reduced sense of body ownership, evaluated by the rubber hand illusion experience.

    “patients with cerebellar ataxias, a group of disorders characterized by cerebellar degeneration, showed an abnormally reduced sense of body ownership, evaluated by the rubber hand illusion experience (Fiorio et al., 2014).”

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Authors
Fiorio, M., Mariotti, C., Panzeri, M., Antonello, E., Classen, J., & Tinazzi, M.
Affiliations
  • University of Verona (IT)
  • Fondazione IRCCS Istituto Neurologico Carlo Besta (IT)
  • Leipzig University (DE)
  • 1University of Verona
Venue
Journal of Cognitive Neuroscience
Published
2014-04-01
Volume
26
Issue
4
Pages
712-721
ISSN
  • 0898-929X (ISSN-L)
  • 1530-8898
OpenAlex
W2082258812
Cited by
14
References
53
Citations by year
2026: 1 · 2021: 1 · 2020: 4 · 2019: 3 · 2017: 1 · 2016: 4
FWCI
2.43
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Cognitive Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Human-Computer Interaction › Virtual Reality Applications and Impacts
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
cerebellum, body ownership, rubber hand illusion, proprioception, cerebellar ataxia, proprioceptive drift, inferior parietal lobule, ventral premotor cortex, body image
MeSH terms
Adult, Aged, Body Image, Cerebellar Ataxia, Cerebellum, Female, Hand, Humans, Illusions, Male, Middle Aged, Proprioception, Psychophysics, Surveys and Questionnaires, Neurodegenerative Diseases, Touch Perception, Young Adult

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