Arthropod mechanoreceptive hairs: modeling the directionality of the joint
Stimulus transformation in arthropod mechanoreceptive hairs is dominated by the mechanical properties of both the hair shaft and the hair's articulation. Here a mathematical model of the hair's articulation is developed based on simple relationships relevant for every anisotropic articulat...
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| Veröffentlicht in: | Journal of Comparative Physiology 2006-12, Vol.192 (12), p.1271-1278 |
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| creator | Dechant, Hans-Erich Hößl, Bernhard Rammerstorfer, Franz G Barth, Friedrich G |
| description | Stimulus transformation in arthropod mechanoreceptive hairs is dominated by the mechanical properties of both the hair shaft and the hair's articulation. Here a mathematical model of the hair's articulation is developed based on simple relationships relevant for every anisotropic articulation. The mechanical behavior regarding deflection under load of a variety of hairs can be described quantitatively by using only two (in the case of double symmetric characteristics) or four parameters (in the case of only one symmetry): (1) joint stiffness S p in the preferred direction of deflection, (2) joint stiffness S t in a plane transversal to the preferred direction, and (3, 4) the values of stiffness S for opposite directions of deflection. The applicability of the model was tested by measuring these stiffnesses S of spider tactile hair joints by deflecting the hairs statically in different directions. For comparison, data in the literature on insect and spider hairs sensitive to air flow were analyzed. The equation presented describes the directional characteristics of a wide range of structurally different cuticular hairs. It can also be used as a mathematical description of the joint mechanics when modeling the mechanics of hairs, for instance, by applying methods such as Finite Element Analysis. |
| doi_str_mv | 10.1007/s00359-006-0155-0 |
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Here a mathematical model of the hair's articulation is developed based on simple relationships relevant for every anisotropic articulation. The mechanical behavior regarding deflection under load of a variety of hairs can be described quantitatively by using only two (in the case of double symmetric characteristics) or four parameters (in the case of only one symmetry): (1) joint stiffness S p in the preferred direction of deflection, (2) joint stiffness S t in a plane transversal to the preferred direction, and (3, 4) the values of stiffness S for opposite directions of deflection. The applicability of the model was tested by measuring these stiffnesses S of spider tactile hair joints by deflecting the hairs statically in different directions. For comparison, data in the literature on insect and spider hairs sensitive to air flow were analyzed. The equation presented describes the directional characteristics of a wide range of structurally different cuticular hairs. It can also be used as a mathematical description of the joint mechanics when modeling the mechanics of hairs, for instance, by applying methods such as Finite Element Analysis.</description><identifier>ISSN: 0340-7594</identifier><identifier>EISSN: 1432-1351</identifier><identifier>DOI: 10.1007/s00359-006-0155-0</identifier><identifier>PMID: 16896686</identifier><language>eng</language><publisher>Germany: Berlin/Heidelberg : Springer-Verlag</publisher><subject>Air flow ; Animals ; Biomechanical Phenomena ; Cupiennius ; Female ; Hair ; hair articulation ; hair deflection ; hair joints ; hair stiffness ; hairs ; joint mechanics ; Joints - physiology ; loads ; Mathematical models ; mechanical directionality ; mechanical properties ; mechanoreception ; mechanoreceptors ; Mechanoreceptors - physiology ; Movement - physiology ; sensilla ; Spiders - physiology ; stimulus transformation ; tactile hairs ; touch ; Touch - physiology</subject><ispartof>Journal of Comparative Physiology, 2006-12, Vol.192 (12), p.1271-1278</ispartof><rights>Springer-Verlag 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-5770f1b5191f7e6bdf2cda8d5a691a1a316acb8c2aecd4cbb79d25f7cb5c99af3</citedby><cites>FETCH-LOGICAL-c350t-5770f1b5191f7e6bdf2cda8d5a691a1a316acb8c2aecd4cbb79d25f7cb5c99af3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16896686$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dechant, Hans-Erich</creatorcontrib><creatorcontrib>Hößl, Bernhard</creatorcontrib><creatorcontrib>Rammerstorfer, Franz G</creatorcontrib><creatorcontrib>Barth, Friedrich G</creatorcontrib><title>Arthropod mechanoreceptive hairs: modeling the directionality of the joint</title><title>Journal of Comparative Physiology</title><addtitle>J Comp Physiol A Neuroethol Sens Neural Behav Physiol</addtitle><description>Stimulus transformation in arthropod mechanoreceptive hairs is dominated by the mechanical properties of both the hair shaft and the hair's articulation. Here a mathematical model of the hair's articulation is developed based on simple relationships relevant for every anisotropic articulation. The mechanical behavior regarding deflection under load of a variety of hairs can be described quantitatively by using only two (in the case of double symmetric characteristics) or four parameters (in the case of only one symmetry): (1) joint stiffness S p in the preferred direction of deflection, (2) joint stiffness S t in a plane transversal to the preferred direction, and (3, 4) the values of stiffness S for opposite directions of deflection. The applicability of the model was tested by measuring these stiffnesses S of spider tactile hair joints by deflecting the hairs statically in different directions. For comparison, data in the literature on insect and spider hairs sensitive to air flow were analyzed. The equation presented describes the directional characteristics of a wide range of structurally different cuticular hairs. It can also be used as a mathematical description of the joint mechanics when modeling the mechanics of hairs, for instance, by applying methods such as Finite Element Analysis.</description><subject>Air flow</subject><subject>Animals</subject><subject>Biomechanical Phenomena</subject><subject>Cupiennius</subject><subject>Female</subject><subject>Hair</subject><subject>hair articulation</subject><subject>hair deflection</subject><subject>hair joints</subject><subject>hair stiffness</subject><subject>hairs</subject><subject>joint mechanics</subject><subject>Joints - physiology</subject><subject>loads</subject><subject>Mathematical models</subject><subject>mechanical directionality</subject><subject>mechanical properties</subject><subject>mechanoreception</subject><subject>mechanoreceptors</subject><subject>Mechanoreceptors - physiology</subject><subject>Movement - physiology</subject><subject>sensilla</subject><subject>Spiders - physiology</subject><subject>stimulus transformation</subject><subject>tactile hairs</subject><subject>touch</subject><subject>Touch - physiology</subject><issn>0340-7594</issn><issn>1432-1351</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNpdkE1LxDAQhoMoun78AC9aPHirzjRN2npbxE8WPKjnkObDzdI2a9IV9t8b3QXB08DMM-8MDyGnCFcIUF1HAMqaHIDngIzlsEMmWNIiR8pwl0yAlpBXrCkPyGGMCwAosMB9coC8bjiv-YQ8T8M4D37pddYbNZeDD0aZ5ei-TDaXLsSbrPfadG74yMa5ybRL89H5QXZuXGfe_nYX3g3jMdmzsovmZFuPyPv93dvtYz57eXi6nc5yRRmMOasqsNgybNBWhrfaFkrLWjPJG5QoKXKp2loV0ihdqratGl0wW6mWqaaRlh6Ry03uMvjPlYmj6F1UpuvkYPwqCl5jWacrCbz4By78KqTPE4O0LJKlOkG4gVTwMQZjxTK4Xoa1QBA_lsXGskiWxY9lAWnnbBu8anuj_za2WhNwvgGs9EJ-BBfF-2sBSAExRTBGvwFW2oIP</recordid><startdate>20061201</startdate><enddate>20061201</enddate><creator>Dechant, Hans-Erich</creator><creator>Hößl, Bernhard</creator><creator>Rammerstorfer, Franz G</creator><creator>Barth, Friedrich G</creator><general>Berlin/Heidelberg : Springer-Verlag</general><general>Springer Nature B.V</general><scope>FBQ</scope><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>3V.</scope><scope>7QG</scope><scope>7QR</scope><scope>7SS</scope><scope>7TK</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>20061201</creationdate><title>Arthropod mechanoreceptive hairs: modeling the directionality of the joint</title><author>Dechant, Hans-Erich ; 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Here a mathematical model of the hair's articulation is developed based on simple relationships relevant for every anisotropic articulation. The mechanical behavior regarding deflection under load of a variety of hairs can be described quantitatively by using only two (in the case of double symmetric characteristics) or four parameters (in the case of only one symmetry): (1) joint stiffness S p in the preferred direction of deflection, (2) joint stiffness S t in a plane transversal to the preferred direction, and (3, 4) the values of stiffness S for opposite directions of deflection. The applicability of the model was tested by measuring these stiffnesses S of spider tactile hair joints by deflecting the hairs statically in different directions. For comparison, data in the literature on insect and spider hairs sensitive to air flow were analyzed. The equation presented describes the directional characteristics of a wide range of structurally different cuticular hairs. It can also be used as a mathematical description of the joint mechanics when modeling the mechanics of hairs, for instance, by applying methods such as Finite Element Analysis.</abstract><cop>Germany</cop><pub>Berlin/Heidelberg : Springer-Verlag</pub><pmid>16896686</pmid><doi>10.1007/s00359-006-0155-0</doi><tpages>8</tpages></addata></record> |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Air flow Animals Biomechanical Phenomena Cupiennius Female Hair hair articulation hair deflection hair joints hair stiffness hairs joint mechanics Joints - physiology loads Mathematical models mechanical directionality mechanical properties mechanoreception mechanoreceptors Mechanoreceptors - physiology Movement - physiology sensilla Spiders - physiology stimulus transformation tactile hairs touch Touch - physiology |
| title | Arthropod mechanoreceptive hairs: modeling the directionality of the joint |
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