Species-Specific Flight Styles of Flies are Reflected in the Response Dynamics of a Homolog Motion-Sensitive Neuron
2012-03-19 | journal article. A publication with affiliation to the University of Göttingen.
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Species-Specific Flight Styles of Flies are Reflected in the Response Dynamics of a Homolog Motion-Sensitive Neuron
Geurten, B. R. H.; Kern, R. & Egelhaaf, M. (2012)
Frontiers in Integrative Neuroscience, 6 art. 11. DOI: https://doi.org/10.3389/fnint.2012.00011
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Details
- Authors
- Geurten, Bart R. H.; Kern, Roland; Egelhaaf, Martin
- Abstract
- Hoverfliesandblowflieshavedistinctlydifferentflightstyles.Yet,bothspecieshavebeenshowntostructuretheirflightbehaviorinawaythatfacilitatesextractionof3Dinformationfromtheimageflowontheretinaopticflow).Neuronalcandidatestoanalyzetheopticflowarethetangentialcellsinthethirdopticalganglion–thelobulacomplex.Theseneuronsaredirectionallyselectiveandintegratetheopticflowoverlargepartsofthevisualfield.Homologtangentialcellsinhoverfliesandblowflieshaveasimilarmorphology.Becauseblowfliesandhoverflieshavesimilarneuronallayoutbutdistinctlydifferentflightbehav-iors,theyareanidealsubstratetopinpointpotentialneuronaladaptationstothedifferentflightstyles.Inthisarticlewedescribetherelationshipbetweenlocomotionbehaviorandmotionvisiononthreedifferentlevels:(1)Wecomparethedifferentflightstylesbasedonthecategorizationofflightbehaviorintoprototypicalmovements.(2)Wemeasurethespecies-specificdynamicsoftheopticflowundernaturalisticflightconditions.Wefoundthetranslationalopticflowofbothspeciestobeverydifferent.(3)Wedescribepossi-bleadaptationsofahomologmotion-sensitiveneuron.Westimulatethiscellinblowflies(Calliphora)andhoverflies(Eristalis)withnaturalisticopticflowgeneratedbybothspeciesduringfreeflight.Thecharacterizedhoverflytangentialcellrespondsfastertotransientchangesintheopticflowthanitsblowflyhomolog.Itisdiscussedwhetherandhowthedifferentdynamicalresponsepropertiesaidopticflowanalysis.
- Issue Date
- 19-March-2012
- Publisher
- Frontiers Research Foundation
- Journal
- Frontiers in Integrative Neuroscience
- ISSN
- 1662-5145
- eISSN
- 1662-5145
- Extent
- 15
- Language
- English
