From a Somatotopic to a Spatiotopic Frame of Reference for the Localization of Nociceptive Stimuli
To react efficiently to potentially threatening stimuli, we have to be able to localize these stimuli in space. In daily life we are constantly moving so that our limbs can be positioned at the opposite side of space. Therefore, a somatotopic frame of reference is insufficient to localize nociceptiv...
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description | To react efficiently to potentially threatening stimuli, we have to be able to localize these stimuli in space. In daily life we are constantly moving so that our limbs can be positioned at the opposite side of space. Therefore, a somatotopic frame of reference is insufficient to localize nociceptive stimuli. Here we investigated whether nociceptive stimuli are mapped into a spatiotopic frame of reference, and more specifically a peripersonal frame of reference, which takes into account the position of the body limbs in external space, as well as the occurrence of external objects presented near the body. Two temporal order judgment (TOJ) experiments were conducted, during which participants had to decide which of two nociceptive stimuli, one applied to either hand, had been presented first while their hands were either uncrossed or crossed over the body midline. The occurrence of the nociceptive stimuli was cued by uninformative visual cues. We found that the visual cues prioritized the perception of nociceptive stimuli applied to the hand laying in the cued side of space, irrespective of posture. Moreover, the influence of the cues was smaller when they were presented far in front of participants' hands as compared to when they were presented in close proximity. Finally, participants' temporal sensitivity was reduced by changing posture. These findings are compatible with the existence of a peripersonal frame of reference for the localization of nociceptive stimuli. This allows for the construction of a stable representation of our body and the space closely surrounding our body, enabling a quick and efficient reaction to potential physical threats. |
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In daily life we are constantly moving so that our limbs can be positioned at the opposite side of space. Therefore, a somatotopic frame of reference is insufficient to localize nociceptive stimuli. Here we investigated whether nociceptive stimuli are mapped into a spatiotopic frame of reference, and more specifically a peripersonal frame of reference, which takes into account the position of the body limbs in external space, as well as the occurrence of external objects presented near the body. Two temporal order judgment (TOJ) experiments were conducted, during which participants had to decide which of two nociceptive stimuli, one applied to either hand, had been presented first while their hands were either uncrossed or crossed over the body midline. The occurrence of the nociceptive stimuli was cued by uninformative visual cues. We found that the visual cues prioritized the perception of nociceptive stimuli applied to the hand laying in the cued side of space, irrespective of posture. Moreover, the influence of the cues was smaller when they were presented far in front of participants' hands as compared to when they were presented in close proximity. Finally, participants' temporal sensitivity was reduced by changing posture. These findings are compatible with the existence of a peripersonal frame of reference for the localization of nociceptive stimuli. This allows for the construction of a stable representation of our body and the space closely surrounding our body, enabling a quick and efficient reaction to potential physical threats.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0137120</identifier><identifier>PMID: 26317671</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adult ; Chi-square test ; Cues ; Female ; Hand - physiology ; Hands ; Health psychology ; Humans ; Hypotheses ; Limbs ; Localization ; Male ; Neural stimulation ; Nociception - physiology ; Pain ; Pain perception ; Physiological aspects ; Posture ; Space Perception - physiology ; Spatial ability ; Temporal variations ; Touch Perception - physiology ; Visual perception ; Visual stimuli ; Young Adult</subject><ispartof>PloS one, 2015-08, Vol.10 (8), p.e0137120-e0137120</ispartof><rights>COPYRIGHT 2015 Public Library of Science</rights><rights>2015 De Paepe et al. 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In daily life we are constantly moving so that our limbs can be positioned at the opposite side of space. Therefore, a somatotopic frame of reference is insufficient to localize nociceptive stimuli. Here we investigated whether nociceptive stimuli are mapped into a spatiotopic frame of reference, and more specifically a peripersonal frame of reference, which takes into account the position of the body limbs in external space, as well as the occurrence of external objects presented near the body. Two temporal order judgment (TOJ) experiments were conducted, during which participants had to decide which of two nociceptive stimuli, one applied to either hand, had been presented first while their hands were either uncrossed or crossed over the body midline. The occurrence of the nociceptive stimuli was cued by uninformative visual cues. 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This allows for the construction of a stable representation of our body and the space closely surrounding our body, enabling a quick and efficient reaction to potential physical threats.</description><subject>Adult</subject><subject>Chi-square test</subject><subject>Cues</subject><subject>Female</subject><subject>Hand - physiology</subject><subject>Hands</subject><subject>Health psychology</subject><subject>Humans</subject><subject>Hypotheses</subject><subject>Limbs</subject><subject>Localization</subject><subject>Male</subject><subject>Neural stimulation</subject><subject>Nociception - physiology</subject><subject>Pain</subject><subject>Pain perception</subject><subject>Physiological aspects</subject><subject>Posture</subject><subject>Space Perception - physiology</subject><subject>Spatial ability</subject><subject>Temporal variations</subject><subject>Touch Perception - physiology</subject><subject>Visual perception</subject><subject>Visual stimuli</subject><subject>Young Adult</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNqNk12L1DAUhoso7jr6D0QLgujFjPlok_ZGWBZHBwYXdtTbkGZOZjK0TTdJF_XXmzrdZSp7IblIePOcNzknJ0nyEqMFphx_ONjetbJedLaFBRokgh4l57ikZM4Ioo9P1mfJM-8PCOW0YOxpckYYxZxxfJ5US2ebVKYb28hgg-2MSoMdhE4GMwpLJxtIrU6vQYODVkGqrUvDHtK1VbI2vwe2HYivVhkFXTC3kG6CafraPE-eaFl7eDHOs-T78tO3yy_z9dXn1eXFeq5YScI817zMqK50oajEiiO85URphqlCjBUKZ4gUWamBEUaogqraYlYqqguuygo4nSWvj75dbb0Yy-MF5qjICpJlRSRWR2Jr5UF0zjTS_RJWGvFXsG4npAtG1SBkpSknJcMZURlgWkjCCpaxbV6VEpEqen0cT-urBrYK2uBkPTGd7rRmL3b2VmR5TnjMYJa8Gw2cvenBB9EYr6CuZQu2P967KHOa5xF98w_6cHYjtZMxAdNqG89Vg6m4yAgrc8wpitTiASqOLTRGxV7SJuqTgPeTgMgE-Bl2svderDbX_89e_Ziyb0_YPcg67L2t-6GT_BTMjqBy1nsH-r7IGImh7--qIYavIMavEMNenT7QfdBd79M_9iYCug</recordid><startdate>20150828</startdate><enddate>20150828</enddate><creator>De Paepe, Annick L</creator><creator>Crombez, Geert</creator><creator>Legrain, Valéry</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>IOV</scope><scope>ISR</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20150828</creationdate><title>From a Somatotopic to a Spatiotopic Frame of Reference for the Localization of Nociceptive Stimuli</title><author>De Paepe, Annick L ; Crombez, Geert ; Legrain, Valéry</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c692t-5f7943fbf8c3a1c701d72cf613c0668c1402849fe62623cebbd169c3f87c9be73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adult</topic><topic>Chi-square test</topic><topic>Cues</topic><topic>Female</topic><topic>Hand - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>De Paepe, Annick L</au><au>Crombez, Geert</au><au>Legrain, Valéry</au><au>Lappe, Markus</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>From a Somatotopic to a Spatiotopic Frame of Reference for the Localization of Nociceptive Stimuli</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2015-08-28</date><risdate>2015</risdate><volume>10</volume><issue>8</issue><spage>e0137120</spage><epage>e0137120</epage><pages>e0137120-e0137120</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>To react efficiently to potentially threatening stimuli, we have to be able to localize these stimuli in space. In daily life we are constantly moving so that our limbs can be positioned at the opposite side of space. Therefore, a somatotopic frame of reference is insufficient to localize nociceptive stimuli. Here we investigated whether nociceptive stimuli are mapped into a spatiotopic frame of reference, and more specifically a peripersonal frame of reference, which takes into account the position of the body limbs in external space, as well as the occurrence of external objects presented near the body. Two temporal order judgment (TOJ) experiments were conducted, during which participants had to decide which of two nociceptive stimuli, one applied to either hand, had been presented first while their hands were either uncrossed or crossed over the body midline. The occurrence of the nociceptive stimuli was cued by uninformative visual cues. We found that the visual cues prioritized the perception of nociceptive stimuli applied to the hand laying in the cued side of space, irrespective of posture. Moreover, the influence of the cues was smaller when they were presented far in front of participants' hands as compared to when they were presented in close proximity. Finally, participants' temporal sensitivity was reduced by changing posture. These findings are compatible with the existence of a peripersonal frame of reference for the localization of nociceptive stimuli. This allows for the construction of a stable representation of our body and the space closely surrounding our body, enabling a quick and efficient reaction to potential physical threats.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>26317671</pmid><doi>10.1371/journal.pone.0137120</doi><oa>free_for_read</oa></addata></record> |
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subjects | Adult Chi-square test Cues Female Hand - physiology Hands Health psychology Humans Hypotheses Limbs Localization Male Neural stimulation Nociception - physiology Pain Pain perception Physiological aspects Posture Space Perception - physiology Spatial ability Temporal variations Touch Perception - physiology Visual perception Visual stimuli Young Adult |
title | From a Somatotopic to a Spatiotopic Frame of Reference for the Localization of Nociceptive Stimuli |
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