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AuthorDiehl, Floriandc.contributor.author
Date of accession2016-03-15T09:04:53Zdc.date.accessioned
Available in OPARU since2016-03-15T09:04:53Zdc.date.available
Year of creation2012dc.date.created
AbstractNeuronal networks compute cues from the environment using specialized sensors and they actuate the musculature, eliciting directed behavioral output. Investigating rhythmic movement patterns in invertebrates has been a successful method in neuroscience to understand the principles of neuronal control. A successful model system for the past decades has been the stomatogastric nervous system of decapod crustaceans. Rhythmic behavior in the foregut is controlled by a network of neurons constituting central pattern generators. The initiation, modulation and termination of activity in these central pattern generators are performed by paracrine inputs from projection neurons and endocrine inputs from hormones in the blood stream. How this modulation is controlled and whether the large flexibility caused by these influences is relevant for behavioral output and ultimately the survival of the organism, is still subject to debate. The experiments in this work were conducted on in vivo preparations of two brachyuran species (Cancer pagurus & Cancer borealis). They demonstrate that modulatory and sensory pathways, which were previously established in in vitro studies, were sufficient to elicit rhythmic activity of motor neurons in vivo as well. While several aspects of the motor patterns could be traced from the neuronal activity to muscle force production and finally tooth movement, several movement properties were not predicted by the neuronal activity alone. The concerted interaction of motor neurons, muscles and ossicle dynamics in vivo thus has to be appreciated to study these emergent properties. While the stomatogastric nervous system has been a model for investigating motor pattern generation for several decades, linking the combination of the comprehensive knowledge about the neuronal network with behavioral and ethological experiments, could reveal new insights into what methods organisms evolved to respond adequately to changing environmental cues.dc.description.abstract
Languageendc.language.iso
PublisherUniversität Ulmdc.publisher
LicenseStandarddc.rights
Link to license texthttps://oparu.uni-ulm.de/xmlui/license_v3dc.rights.uri
KeywordCancer borealisdc.subject
KeywordGastrische Mühledc.subject
Dewey Decimal GroupDDC 570 / Life sciencesdc.subject.ddc
LCSHCancer pagurusdc.subject.lcsh
LCSHJonah crabdc.subject.lcsh
TitleBehavioral aspects of neuronal control in the foregut of the two brachyuran crab species Cancer pagurus and Cancer borealisdc.title
Resource typeDissertationdc.type
DOIhttp://dx.doi.org/10.18725/OPARU-2602dc.identifier.doi
PPN734865449dc.identifier.ppn
URNhttp://nbn-resolving.de/urn:nbn:de:bsz:289-vts-83535dc.identifier.urn
GNDElektrophysiologiedc.subject.gnd
GNDEndoskopiedc.subject.gnd
GNDStomatogastrisches Nervensystemdc.subject.gnd
GNDTaschenkrebsdc.subject.gnd
FacultyFakultät für Naturwissenschaftenuulm.affiliationGeneral
Date of activation2013-01-21T10:52:16Zuulm.freischaltungVTS
Peer reviewneinuulm.peerReview
Shelfmark print versionW: W-H 13.169uulm.shelfmark
DCMI TypeTextuulm.typeDCMI
VTS-ID8353uulm.vtsID
CategoryPublikationenuulm.category
University Bibliographyjauulm.unibibliographie


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