Flow sensing by pinniped whiskers.
Identifieur interne : 000D69 ( PubMed/Checkpoint ); précédent : 000D68; suivant : 000D70Flow sensing by pinniped whiskers.
Auteurs : L. Miersch [Allemagne] ; W. Hanke ; S. Wieskotten ; F D Hanke ; J. Oeffner ; A. Leder ; M. Brede ; M. Witte ; G. DehnhardtSource :
- Philosophical transactions of the Royal Society of London. Series B, Biological sciences [ 1471-2970 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Pinnipedia, Vibrissae.
- physiology : Pinnipedia, Touch, Vibrissae.
- Animals, Hydrodynamics, Signal-To-Noise Ratio.
Abstract
Beside their haptic function, vibrissae of harbour seals (Phocidae) and California sea lions (Otariidae) both represent highly sensitive hydrodynamic receptor systems, although their vibrissal hair shafts differ considerably in structure. To quantify the sensory performance of both hair types, isolated single whiskers were used to measure vortex shedding frequencies produced in the wake of a cylinder immersed in a rotational flow tank. These measurements revealed that both whisker types were able to detect the vortex shedding frequency but differed considerably with respect to the signal-to-noise ratio (SNR). While the signal detected by sea lion whiskers was substantially corrupted by noise, harbour seal whiskers showed a higher SNR with largely reduced noise. However, further analysis revealed that in sea lion whiskers, each noise signal contained a dominant frequency suggested to function as a characteristic carrier signal. While in harbour seal whiskers the unique surface structure explains its high sensitivity, this more or less steady fundamental frequency might represent the mechanism underlying hydrodynamic reception in the fast swimming sea lion by being modulated in response to hydrodynamic stimuli impinging on the hair.
DOI: 10.1098/rstb.2011.0155
PubMed: 21969689
Affiliations:
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pubmed:21969689Le document en format XML
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Wieskotten</name></author><author><name sortKey="Hanke, F D" sort="Hanke, F D" uniqKey="Hanke F" first="F D" last="Hanke">F D Hanke</name></author><author><name sortKey="Oeffner, J" sort="Oeffner, J" uniqKey="Oeffner J" first="J" last="Oeffner">J. Oeffner</name></author><author><name sortKey="Leder, A" sort="Leder, A" uniqKey="Leder A" first="A" last="Leder">A. Leder</name></author><author><name sortKey="Brede, M" sort="Brede, M" uniqKey="Brede M" first="M" last="Brede">M. Brede</name></author><author><name sortKey="Witte, M" sort="Witte, M" uniqKey="Witte M" first="M" last="Witte">M. Witte</name></author><author><name sortKey="Dehnhardt, G" sort="Dehnhardt, G" uniqKey="Dehnhardt G" first="G" last="Dehnhardt">G. Dehnhardt</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="doi">10.1098/rstb.2011.0155</idno><idno type="RBID">pubmed:21969689</idno><idno type="pmid">21969689</idno><idno type="wicri:Area/PubMed/Corpus">000E02</idno><idno type="wicri:Area/PubMed/Curation">000E02</idno><idno type="wicri:Area/PubMed/Checkpoint">000D69</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Flow sensing by pinniped whiskers.</title><author><name sortKey="Miersch, L" sort="Miersch, L" uniqKey="Miersch L" first="L" last="Miersch">L. Miersch</name><affiliation wicri:level="1"><nlm:affiliation>Biosciences, Sensory and Cognitive Ecology, University of Rostock, Albert-Einstein-Strasse 3, 18059 Rostock, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Biosciences, Sensory and Cognitive Ecology, University of Rostock, Albert-Einstein-Strasse 3, 18059 Rostock</wicri:regionArea><wicri:noRegion>18059 Rostock</wicri:noRegion><wicri:noRegion>18059 Rostock</wicri:noRegion><wicri:noRegion>18059 Rostock</wicri:noRegion></affiliation></author><author><name sortKey="Hanke, W" sort="Hanke, W" uniqKey="Hanke W" first="W" last="Hanke">W. Hanke</name></author><author><name sortKey="Wieskotten, S" sort="Wieskotten, S" uniqKey="Wieskotten S" first="S" last="Wieskotten">S. Wieskotten</name></author><author><name sortKey="Hanke, F D" sort="Hanke, F D" uniqKey="Hanke F" first="F D" last="Hanke">F D Hanke</name></author><author><name sortKey="Oeffner, J" sort="Oeffner, J" uniqKey="Oeffner J" first="J" last="Oeffner">J. Oeffner</name></author><author><name sortKey="Leder, A" sort="Leder, A" uniqKey="Leder A" first="A" last="Leder">A. Leder</name></author><author><name sortKey="Brede, M" sort="Brede, M" uniqKey="Brede M" first="M" last="Brede">M. Brede</name></author><author><name sortKey="Witte, M" sort="Witte, M" uniqKey="Witte M" first="M" last="Witte">M. Witte</name></author><author><name sortKey="Dehnhardt, G" sort="Dehnhardt, G" uniqKey="Dehnhardt G" first="G" last="Dehnhardt">G. Dehnhardt</name></author></analytic><series><title level="j">Philosophical transactions of the Royal Society of London. Series B, Biological sciences</title><idno type="eISSN">1471-2970</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Hydrodynamics</term><term>Pinnipedia (anatomy & histology)</term><term>Pinnipedia (physiology)</term><term>Signal-To-Noise Ratio</term><term>Touch (physiology)</term><term>Vibrissae (anatomy & histology)</term><term>Vibrissae (physiology)</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Pinnipedia</term><term>Vibrissae</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Pinnipedia</term><term>Touch</term><term>Vibrissae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Hydrodynamics</term><term>Signal-To-Noise Ratio</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Beside their haptic function, vibrissae of harbour seals (Phocidae) and California sea lions (Otariidae) both represent highly sensitive hydrodynamic receptor systems, although their vibrissal hair shafts differ considerably in structure. To quantify the sensory performance of both hair types, isolated single whiskers were used to measure vortex shedding frequencies produced in the wake of a cylinder immersed in a rotational flow tank. These measurements revealed that both whisker types were able to detect the vortex shedding frequency but differed considerably with respect to the signal-to-noise ratio (SNR). While the signal detected by sea lion whiskers was substantially corrupted by noise, harbour seal whiskers showed a higher SNR with largely reduced noise. However, further analysis revealed that in sea lion whiskers, each noise signal contained a dominant frequency suggested to function as a characteristic carrier signal. While in harbour seal whiskers the unique surface structure explains its high sensitivity, this more or less steady fundamental frequency might represent the mechanism underlying hydrodynamic reception in the fast swimming sea lion by being modulated in response to hydrodynamic stimuli impinging on the hair.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">21969689</PMID><DateCreated><Year>2011</Year><Month>10</Month><Day>04</Day></DateCreated><DateCompleted><Year>2012</Year><Month>04</Month><Day>30</Day></DateCompleted><DateRevised><Year>2015</Year><Month>01</Month><Day>29</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1471-2970</ISSN><JournalIssue CitedMedium="Internet"><Volume>366</Volume><Issue>1581</Issue><PubDate><Year>2011</Year><Month>Nov</Month><Day>12</Day></PubDate></JournalIssue><Title>Philosophical transactions of the Royal Society of London. Series B, Biological sciences</Title><ISOAbbreviation>Philos. Trans. R. Soc. Lond., B, Biol. Sci.</ISOAbbreviation></Journal><ArticleTitle>Flow sensing by pinniped whiskers.</ArticleTitle><Pagination><MedlinePgn>3077-84</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1098/rstb.2011.0155</ELocationID><Abstract><AbstractText>Beside their haptic function, vibrissae of harbour seals (Phocidae) and California sea lions (Otariidae) both represent highly sensitive hydrodynamic receptor systems, although their vibrissal hair shafts differ considerably in structure. To quantify the sensory performance of both hair types, isolated single whiskers were used to measure vortex shedding frequencies produced in the wake of a cylinder immersed in a rotational flow tank. These measurements revealed that both whisker types were able to detect the vortex shedding frequency but differed considerably with respect to the signal-to-noise ratio (SNR). While the signal detected by sea lion whiskers was substantially corrupted by noise, harbour seal whiskers showed a higher SNR with largely reduced noise. However, further analysis revealed that in sea lion whiskers, each noise signal contained a dominant frequency suggested to function as a characteristic carrier signal. While in harbour seal whiskers the unique surface structure explains its high sensitivity, this more or less steady fundamental frequency might represent the mechanism underlying hydrodynamic reception in the fast swimming sea lion by being modulated in response to hydrodynamic stimuli impinging on the hair.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Miersch</LastName><ForeName>L</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Biosciences, Sensory and Cognitive Ecology, University of Rostock, Albert-Einstein-Strasse 3, 18059 Rostock, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hanke</LastName><ForeName>W</ForeName><Initials>W</Initials></Author><Author ValidYN="Y"><LastName>Wieskotten</LastName><ForeName>S</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Hanke</LastName><ForeName>F D</ForeName><Initials>FD</Initials></Author><Author ValidYN="Y"><LastName>Oeffner</LastName><ForeName>J</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Leder</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Brede</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Witte</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Dehnhardt</LastName><ForeName>G</ForeName><Initials>G</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Philos Trans R Soc Lond B Biol Sci</MedlineTA><NlmUniqueID>7503623</NlmUniqueID><ISSNLinking>0962-8436</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Cogn Psychol. 1987 Jul;19(3):342-68</RefSource><PMID Version="1">3608405</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Morphol. 1985 Feb;183(2):199-217</RefSource><PMID Version="1">3973927</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Comp Physiol A. 1994 Dec;175(6):791-800</RefSource><PMID Version="1">7807420</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Comp Neurol. 1995 Jul 10;357(4):501-12</RefSource><PMID Version="1">7673481</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Exp Biol. 1995 Nov;198(Pt 11):2317-23</RefSource><PMID Version="1">7490570</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Exp Biol. 1998 Nov;201(Pt 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RefType="Cites"><RefSource>J Neurosci. 1990 Aug;10(8):2638-48</RefSource><PMID Version="1">2388081</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000818">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D057446">Hydrodynamics</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010872">Pinnipedia</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000033">anatomy & histology</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D059629">Signal-To-Noise Ratio</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014110">Touch</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014738">Vibrissae</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000033">anatomy & histology</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList><OtherID Source="NLM">PMC3172597</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>10</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>10</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>5</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">366/1581/3077</ArticleId><ArticleId IdType="doi">10.1098/rstb.2011.0155</ArticleId><ArticleId IdType="pubmed">21969689</ArticleId><ArticleId IdType="pmc">PMC3172597</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li></country></list><tree><noCountry><name sortKey="Brede, M" sort="Brede, M" uniqKey="Brede M" first="M" last="Brede">M. Brede</name><name sortKey="Dehnhardt, G" sort="Dehnhardt, G" uniqKey="Dehnhardt G" first="G" last="Dehnhardt">G. Dehnhardt</name><name sortKey="Hanke, F D" sort="Hanke, F D" uniqKey="Hanke F" first="F D" last="Hanke">F D Hanke</name><name sortKey="Hanke, W" sort="Hanke, W" uniqKey="Hanke W" first="W" last="Hanke">W. Hanke</name><name sortKey="Leder, A" sort="Leder, A" uniqKey="Leder A" first="A" last="Leder">A. Leder</name><name sortKey="Oeffner, J" sort="Oeffner, J" uniqKey="Oeffner J" first="J" last="Oeffner">J. Oeffner</name><name sortKey="Wieskotten, S" sort="Wieskotten, S" uniqKey="Wieskotten S" first="S" last="Wieskotten">S. Wieskotten</name><name sortKey="Witte, M" sort="Witte, M" uniqKey="Witte M" first="M" last="Witte">M. Witte</name></noCountry><country name="Allemagne"><noRegion><name sortKey="Miersch, L" sort="Miersch, L" uniqKey="Miersch L" first="L" last="Miersch">L. 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