The role of self-touch in somatosensory and body representation disorders after stroke
Identifieur interne : 001942 ( Pmc/Checkpoint ); précédent : 001941; suivant : 001943The role of self-touch in somatosensory and body representation disorders after stroke
Auteurs : H. E. Van Stralen ; M. J. E. Van Zandvoort ; H. C. DijkermanSource :
- Philosophical Transactions of the Royal Society B: Biological Sciences [ 0962-8436 ] ; 2011.
Abstract
Somatosensory impairments occur in about half of the cases of stroke. These impairments range from primary deficits in tactile detection and the perception of features, to higher order impairments in haptic object recognition and bodily experience. In this paper, we review the influence of active- and self-touch on somatosensory impairments after stroke. Studies have shown that self-touch improves tactile detection in patients with primary tactile deficits. A small number of studies concerned with the effect of self-touch on bodily experience in healthy individuals have demonstrated that self-touch influences the structural representation of one's own body. In order to better understand the effect of self-touch on body representations, we present an informal study of a stroke patient with somatoparaphrenia and misoplegia. The role of self-touch on body ownership was investigated by asking the patient to stroke the impaired left hand and foreign hands. The patient reported ownership and a change in affect over all presented hands through self-touch. The time it took to accomplish ownership varied, based on the resemblance of the foreign hand to the patient's own hand. Our findings suggest that self-touch can modulate impairments in body ownership and affect, perhaps by helping to reinstate the representation of the body.
Url:
DOI: 10.1098/rstb.2011.0163
PubMed: 21969696
PubMed Central: 3172603
Affiliations:
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<front><journal-meta><journal-id journal-id-type="nlm-ta">Philos Trans R Soc Lond B Biol Sci</journal-id><journal-id journal-id-type="publisher-id">RSTB</journal-id><journal-id journal-id-type="hwp">royptb</journal-id><journal-title-group><journal-title>Philosophical Transactions of the Royal Society B: Biological Sciences</journal-title></journal-title-group><issn pub-type="ppub">0962-8436</issn><issn pub-type="epub">1471-2970</issn><publisher><publisher-name>The Royal Society</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">21969696</article-id><article-id pub-id-type="pmc">3172603</article-id><article-id pub-id-type="doi">10.1098/rstb.2011.0163</article-id><article-id pub-id-type="publisher-id">rstb20110163</article-id><article-categories><subj-group subj-group-type="hwp-journal-coll"><subject>1001</subject><subject>42</subject><subject>133</subject><subject>14</subject><subject>87</subject></subj-group><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>The role of self-touch in somatosensory and body representation disorders after stroke</article-title><alt-title alt-title-type="short">Review. Self-touch and body representation</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>van Stralen</surname><given-names>H. E.</given-names></name><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>van Zandvoort</surname><given-names>M. J. E.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Dijkerman</surname><given-names>H. C.</given-names></name></contrib></contrib-group><aff><addr-line>Experimental Psychology, Helmholtz Institute, and Department of Neurology</addr-line>,<institution>University Medical Centre Utrecht</institution>,<institution>Utrecht University</institution>,<addr-line>Heidelberglaan 2, 3584 CS Utrecht</addr-line>, T<country>he Netherlands</country></aff><author-notes><corresp id="cor1"><label>*</label>Author for correspondence (<email>h.e.vanstralen@uu.nl</email>).</corresp><fn fn-type="other"><p>One contribution of 18 to a Theo Murphy Meeting Issue ‘<ext-link ext-link-type="uri" xlink:href="http://rstb.royalsocietypublishing.org/content/366/1581.toc">Active touch sensing</ext-link>’.</p></fn></author-notes><pub-date pub-type="ppub"><day>12</day><month>11</month><year>2011</year></pub-date><volume>366</volume><issue>1581</issue><issue-title>Theo Murphy Meeting issue 'Active touch sensing' organized and edited by Tony J. Prescott, Mathew E. Diamond and Alan Wing</issue-title><fpage>3142</fpage><lpage>3152</lpage><permissions><copyright-statement>This journal is © 2011 The Royal Society</copyright-statement><copyright-year>2011</copyright-year></permissions><self-uri content-type="pdf" xlink:type="simple" xlink:href="rstb20110163.pdf"></self-uri><abstract><p>Somatosensory impairments occur in about half of the cases of stroke. These impairments range from primary deficits in tactile detection and the perception of features, to higher order impairments in haptic object recognition and bodily experience. In this paper, we review the influence of active- and self-touch on somatosensory impairments after stroke. Studies have shown that self-touch improves tactile detection in patients with primary tactile deficits. A small number of studies concerned with the effect of self-touch on bodily experience in healthy individuals have demonstrated that self-touch influences the structural representation of one's own body. In order to better understand the effect of self-touch on body representations, we present an informal study of a stroke patient with somatoparaphrenia and misoplegia. The role of self-touch on body ownership was investigated by asking the patient to stroke the impaired left hand and foreign hands. The patient reported ownership and a change in affect over all presented hands through self-touch. The time it took to accomplish ownership varied, based on the resemblance of the foreign hand to the patient's own hand. Our findings suggest that self-touch can modulate impairments in body ownership and affect, perhaps by helping to reinstate the representation of the body.</p></abstract><kwd-group><kwd>body ownership</kwd><kwd>active touch</kwd><kwd>somatoparaphrenia</kwd><kwd>misoplegia</kwd><kwd>body image</kwd><kwd>body schema</kwd></kwd-group></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Dijkerman, H C" sort="Dijkerman, H C" uniqKey="Dijkerman H" first="H. C." last="Dijkerman">H. C. Dijkerman</name><name sortKey="Van Stralen, H E" sort="Van Stralen, H E" uniqKey="Van Stralen H" first="H. E." last="Van Stralen">H. E. Van Stralen</name><name sortKey="Van Zandvoort, M J E" sort="Van Zandvoort, M J E" uniqKey="Van Zandvoort M" first="M. J. E." last="Van Zandvoort">M. J. E. Van Zandvoort</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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