Abstract : The exact relation between the sense that ones body is ones own (body-ownership) and the sense that
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Abstract : The exact relation between the sense that ones body is ones own (body-ownership) and the sense that one controls ones own bodily actions (agency) has been the focus of much speculation but remains unclear. On an additive model agency and body-ownership are strongly related the ability to control actions is a powerful cue to body-ownership. This view implies a component common to the senses of body-ownership and agency plus possible additional components unique to agency. An alternative independence model holds that agency and body-ownership are qualitatively different experiences triggered by different inputs and recruiting distinct brain networks. We tested these two specific models by investigating the sensory and motor aspects of body-representation in the brain using fMRI. Activations in midline cortical structures were associated with a sensory-driven sense of body-ownership and were absent in agency conditions. Activity in the pre-SMA was linked to the sense of agency but distinct from the sense of body-ownership. No shared activations that would support the additive model were found. The results support the independence model. Body-ownership involves a psychophysiological baseline linked to activation of the brains default mode network. Agency is linked to premotor and parietal areas involved in generating motor intentions and subsequent action monitoring.Copyright (c) 2010 Elsevier Ltd. All rights reserved.PMID 20510255 PubMed - indexed for MEDLINEPublication Types MeSH Terms Substances Grant SupportPublication Types Research Support Non-U.S. GovtMeSH TermsAdolescentAdultAnalysis of VarianceBody Image*Brain/blood supplyBrain/physiology*Brain MappingFeedback PsychologicalFemaleFunctional LateralityHumansImage Processing Computer-Assisted/methodsKinesthesis/physiology*Magnetic Resonance Imaging/methodsMaleModels Psychological*Movement/physiology*Neural Pathways/blood supplyNeural Pathways/physiologyOxygen/bloodPerceptual Masking/physiologyPsychometricsPsychophysicsYoung AdultSubstancesOxygenGrant SupportBB/D009529/1/Biotechnology and Biological Sciences Research Council/United KingdomLinkOut - more resourcesFull Text SourcesElsevier ScienceEBSCOOhioLINK Electronic Journal CenterSwets Information ServicesOther Literature SourcesCOS Scholar UniverseMolecular Biology DatabasesOXYGEN - HSDB Supplemental Content Related citations Touching a rubber hand feeling of body ownership is associated with activity in multisensory brain areas. J Neurosci. 2005 Touching a rubber hand feeling of body ownership is associated with activity in multisensory brain areas.Ehrsson HH Holmes NP Passingham RE. J Neurosci. 2005 Nov 9 25(45)10564-73. Review On agency and body-ownership phenomenological and neurocognitive reflections. Conscious Cogn. 2007 Review On agency and body-ownership phenomenological and neurocognitive reflections.Tsakiris M Schütz-Bosbach S Gallagher S. Conscious Cogn. 2007 Sep 16(3)645-60. Epub 2007 Jul 9. The neural basis of agency an fMRI study. Neuroimage. 2010 The neural basis of agency an fMRI study.Yomogida Y Sugiura M Sassa Y Wakusawa K Sekiguchi A Fukushima A Takeuchi H Horie K Sato S Kawashima R. Neuroimage. 2010 Mar 50(1)198-207. Epub 2009 Dec 21. Human limb-specific and non-limb-specific brain representations during kinesthetic illusory movements of the upper and lower extremities. Eur J Neurosci. 2007 Human limb-specific and non-limb-specific brain representations during kinesthetic illusory movements of the upper and lower extremities.Naito E Nakashima T Kito T Aramaki Y Okada T Sadato N. Eur J Neurosci. 2007 Jun 25(11)3476-87. Review My body in the brain a neurocognitive model of body-ownership. Neuropsychologia. 2010 Review My body in the brain a neurocognitive model of body-ownership.Tsakiris M. Neuropsychologia. 2010 Feb 48(3)703-12. Epub 2009 Oct 9. See reviews... See all... All links from this record Related Citations Calculated set of PubMed citations closely related to the selected article(s) retrieved using a word weight algorithm. Related articles are displayed in ranked order from most to least relevant with the “linked from” citation displayed first. Compound (MeSH Keyword) PubChem chemical compound records that are classified under the same Medical Subject Headings (MeSH) controlled vocabulary as the current articles. 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