Whisking and whisker kinematics during a texture classification task
Identifieur interne : 001C18 ( Ncbi/Merge ); précédent : 001C17; suivant : 001C19Whisking and whisker kinematics during a texture classification task
Auteurs : Yanfang Zuo ; Igor Perkon ; Mathew E. DiamondSource :
- Philosophical Transactions of the Royal Society B: Biological Sciences [ 0962-8436 ] ; 2011.
Abstract
Rats explore objects by rhythmically whisking with their vibrissae. The goal of the present study is to learn more about the motor output used by rats to acquire texture information as well as the whisker motion evoked by texture contact. We trained four rats to discriminate between different grooved textures and used high-speed video to characterize whisker motion during the task. The variance in whisking parameters among subjects was notable. After whisker trimming, the animals changed their behaviour in ways that appear consistent with an optimization of whisker movement to compensate for lost information. These results lead to the intriguing notion that the rats use an information-seeking ‘cognitive’ motor strategy, instead of a rigid motor programme. Distinct stick/slip events occurred during texture palpation and their frequency increased in relation to the spatial frequency of the grooves. The results allow a preliminary assessment of three candidate texture-coding mechanisms—the number of grooves encountered during each touch, the temporal difference between groove contacts and the spatial pattern of groove contacts across the whiskers.
Url:
DOI: 10.1098/rstb.2011.0161
PubMed: 21969687
PubMed Central: 3172602
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Whisking and whisker kinematics during a texture classification task</title><author><name sortKey="Zuo, Yanfang" sort="Zuo, Yanfang" uniqKey="Zuo Y" first="Yanfang" last="Zuo">Yanfang Zuo</name></author><author><name sortKey="Perkon, Igor" sort="Perkon, Igor" uniqKey="Perkon I" first="Igor" last="Perkon">Igor Perkon</name></author><author><name sortKey="Diamond, Mathew E" sort="Diamond, Mathew E" uniqKey="Diamond M" first="Mathew E." last="Diamond">Mathew E. Diamond</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21969687</idno><idno type="pmc">3172602</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3172602</idno><idno type="RBID">PMC:3172602</idno><idno type="doi">10.1098/rstb.2011.0161</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">001509</idno><idno type="wicri:Area/Pmc/Curation">001509</idno><idno type="wicri:Area/Pmc/Checkpoint">001905</idno><idno type="wicri:Area/Ncbi/Merge">001C18</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Whisking and whisker kinematics during a texture classification task</title><author><name sortKey="Zuo, Yanfang" sort="Zuo, Yanfang" uniqKey="Zuo Y" first="Yanfang" last="Zuo">Yanfang Zuo</name></author><author><name sortKey="Perkon, Igor" sort="Perkon, Igor" uniqKey="Perkon I" first="Igor" last="Perkon">Igor Perkon</name></author><author><name sortKey="Diamond, Mathew E" sort="Diamond, Mathew E" uniqKey="Diamond M" first="Mathew E." last="Diamond">Mathew E. Diamond</name></author></analytic><series><title level="j">Philosophical Transactions of the Royal Society B: Biological Sciences</title><idno type="ISSN">0962-8436</idno><idno type="eISSN">1471-2970</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Rats explore objects by rhythmically whisking with their vibrissae. The goal of the present study is to learn more about the motor output used by rats to acquire texture information as well as the whisker motion evoked by texture contact. We trained four rats to discriminate between different grooved textures and used high-speed video to characterize whisker motion during the task. The variance in whisking parameters among subjects was notable. After whisker trimming, the animals changed their behaviour in ways that appear consistent with an optimization of whisker movement to compensate for lost information. These results lead to the intriguing notion that the rats use an information-seeking ‘cognitive’ motor strategy, instead of a rigid motor programme. Distinct stick/slip events occurred during texture palpation and their frequency increased in relation to the spatial frequency of the grooves. The results allow a preliminary assessment of three candidate texture-coding mechanisms—the number of grooves encountered during each touch, the temporal difference between groove contacts and the spatial pattern of groove contacts across the whiskers.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<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">21969687</article-id><article-id pub-id-type="pmc">3172602</article-id><article-id pub-id-type="doi">10.1098/rstb.2011.0161</article-id><article-id pub-id-type="publisher-id">rstb20110161</article-id><article-categories><subj-group subj-group-type="hwp-journal-coll"><subject>1001</subject><subject>133</subject></subj-group><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Whisking and whisker kinematics during a texture classification task</article-title><alt-title alt-title-type="short">Whisking during texture classification</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Zuo</surname><given-names>Yanfang</given-names></name></contrib><contrib contrib-type="author"><name><surname>Perkon</surname><given-names>Igor</given-names></name></contrib><contrib contrib-type="author"><name><surname>Diamond</surname><given-names>Mathew E.</given-names></name><xref ref-type="corresp" rid="cor1">*</xref></contrib></contrib-group><aff><addr-line>International School for Advanced Studies (SISSA)</addr-line>,<institution>Cognitive Neuroscience Sector, Italian Institute of Technology—SISSA Unit</institution>,<addr-line>Via Bonomea 265, 34136 Trieste</addr-line>,<country>Italy</country></aff><author-notes><corresp id="cor1"><label>*</label>Author for correspondence (<email>diamond@sissa.it</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>3058</fpage><lpage>3069</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="rstb20110161.pdf"></self-uri><abstract><p>Rats explore objects by rhythmically whisking with their vibrissae. The goal of the present study is to learn more about the motor output used by rats to acquire texture information as well as the whisker motion evoked by texture contact. We trained four rats to discriminate between different grooved textures and used high-speed video to characterize whisker motion during the task. The variance in whisking parameters among subjects was notable. After whisker trimming, the animals changed their behaviour in ways that appear consistent with an optimization of whisker movement to compensate for lost information. These results lead to the intriguing notion that the rats use an information-seeking ‘cognitive’ motor strategy, instead of a rigid motor programme. Distinct stick/slip events occurred during texture palpation and their frequency increased in relation to the spatial frequency of the grooves. The results allow a preliminary assessment of three candidate texture-coding mechanisms—the number of grooves encountered during each touch, the temporal difference between groove contacts and the spatial pattern of groove contacts across the whiskers.</p></abstract><kwd-group><kwd>whisking</kwd><kwd>vibrissae</kwd><kwd>texture classification task</kwd><kwd>touch</kwd><kwd>stick/slip</kwd></kwd-group></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Diamond, Mathew E" sort="Diamond, Mathew E" uniqKey="Diamond M" first="Mathew E." last="Diamond">Mathew E. Diamond</name><name sortKey="Perkon, Igor" sort="Perkon, Igor" uniqKey="Perkon I" first="Igor" last="Perkon">Igor Perkon</name><name sortKey="Zuo, Yanfang" sort="Zuo, Yanfang" uniqKey="Zuo Y" first="Yanfang" last="Zuo">Yanfang Zuo</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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