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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Consciousness and Cognition
Article . 2016 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Sense of body ownership in patients affected by functional motor symptoms (conversion disorder)

Authors: Demartini B; Ricciardi L; Crucianelli L; Fotopoulou A; Edwards MJ.;

Sense of body ownership in patients affected by functional motor symptoms (conversion disorder)

Abstract

Patients with functional neurological symptoms are commonly seen in neurological practice. Nevertheless their aetiopathology remains unclear. We have recently shown that patients affected by functional motor symptoms (FMS) present lower interoceptive awareness and higher alexithymia levels than healthy controls. Nevertheless sense of body ownership has never been studied in FMS patients. The aim of the present study was to systematically investigate the sense of body ownership, with the rubber hand illusion (RHI) paradigm, in patients with FMS and healthy controls.We included in the study 16 patients with FMS and 18 healthy controls (HC). Patients and HC were asked to complete the Toronto Alexithymia Scale (TAS-20) and the self-consciousness scale (self-objectification questionnaire). All participants underwent the RHI paradigm: illusionary experience was measured by self-report and by proprioceptive alteration.A Mann-Whitney U test performed revealed that FMS (median=2.11) participants embodied the rubber hand to the same extent than HC participants (median=2.0, Z = -0.86, p>0.05, r = -0.15). The same test revealed no significant difference in the Proprioceptive Drift experience between FMS (median=0.0) and HC participants (median = -0.5, Z = -0.96, p>0.05, r = -0.16).Our study revealed that sense of body ownership is not impaired in patients affected by FMS. This, together with the results from our previous experiment (studying the interoceptive awareness), supports the hypothesis that interoceptive awareness and sense of body ownership may be dissociated in patients with FMS.

Country
Italy
Keywords

Adult, Male, Adolescent, Dissociative Disorders, Awareness, Middle Aged, Hand, Proprioception, Illusions, Self Concept, Interoception, Young Adult, Conversion Disorder, Case-Control Studies, rubber hand illusion; functional neurological symptoms; body ownership; self-objectification, Body Image, Humans, Female, Affective Symptoms, Self Report

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
17
Top 10%
Average
Top 10%
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