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Intersegmental coupling and recovery from perturbations in freely running cockroaches

Intersegmental coupling and recovery from perturbations in freely running cockroaches


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COUZIN-FUCHS, Einat, Tim KIEMEL, Omer GAL, Amir AYALI, Philip HOLMES, 2015. Intersegmental coupling and recovery from perturbations in freely running cockroaches. In: Journal of Experimental Biology. 218(2), pp. 285-297. ISSN 0022-0949. eISSN 1477-9145

@article{Couzin-Fuchs2015Inter-32921, title={Intersegmental coupling and recovery from perturbations in freely running cockroaches}, year={2015}, doi={10.1242/jeb.112805}, number={2}, volume={218}, issn={0022-0949}, journal={Journal of Experimental Biology}, pages={285--297}, author={Couzin-Fuchs, Einat and Kiemel, Tim and Gal, Omer and Ayali, Amir and Holmes, Philip} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/32921"> <dc:contributor>Ayali, Amir</dc:contributor> <dc:creator>Holmes, Philip</dc:creator> <dc:creator>Kiemel, Tim</dc:creator> <dc:contributor>Gal, Omer</dc:contributor> <dcterms:issued>2015</dcterms:issued> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/32921"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-02-10T09:18:20Z</dcterms:available> <dc:creator>Ayali, Amir</dc:creator> <dc:language>eng</dc:language> <dc:contributor>Couzin-Fuchs, Einat</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-02-10T09:18:20Z</dc:date> <dcterms:title>Intersegmental coupling and recovery from perturbations in freely running cockroaches</dcterms:title> <dc:contributor>Holmes, Philip</dc:contributor> <dc:creator>Gal, Omer</dc:creator> <dcterms:abstract xml:lang="eng">Cockroaches are remarkably stable runners, exhibiting rapid recovery from external perturbations. To uncover the mechanisms behind this important behavioral trait, we recorded leg kinematics of freely running animals in both undisturbed and perturbed trials. Functional coupling underlying inter-leg coordination was monitored before and during localized perturbations, which were applied to single legs via magnetic impulses. The resulting transient effects on all legs and the recovery times to normal pre-perturbation kinematics were studied. We estimated coupling architecture and strength by fitting experimental data to a six-leg-unit phase oscillator model. Using maximum-likelihood techniques, we found that a network with nearest-neighbor inter-leg coupling best fitted the data and that, although coupling strengths vary among preparations, the overall inputs entering each leg are approximately balanced and consistent. Simulations of models with different coupling strengths encountering perturbations suggest that the coupling schemes estimated from our experiments allow animals relatively fast and uniform recoveries from perturbations.</dcterms:abstract> <dc:contributor>Kiemel, Tim</dc:contributor> <dc:creator>Couzin-Fuchs, Einat</dc:creator> </rdf:Description> </rdf:RDF>

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