Altitude control in honeybees: joint vision-based learning and guidance

Abstract Studies on insects’ visual guidance systems have shed little light on how learning contributes to insects’ altitude control system. In this study, honeybees were trained to fly along a double-roofed tunnel after entering it near either the ceiling or the floor of the tunnel. The honeybees t...

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Autores principales:	Geoffrey Portelli, Julien R. Serres, Franck Ruffier
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a92200dffb4b45e49d2d08a50cb0d8b5
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spelling	oai:doaj.org-article:a92200dffb4b45e49d2d08a50cb0d8b52021-12-02T11:40:22ZAltitude control in honeybees: joint vision-based learning and guidance10.1038/s41598-017-09112-52045-2322https://doaj.org/article/a92200dffb4b45e49d2d08a50cb0d8b52017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-09112-5https://doaj.org/toc/2045-2322Abstract Studies on insects’ visual guidance systems have shed little light on how learning contributes to insects’ altitude control system. In this study, honeybees were trained to fly along a double-roofed tunnel after entering it near either the ceiling or the floor of the tunnel. The honeybees trained to hug the ceiling therefore encountered a sudden change in the tunnel configuration midways: i.e. a "dorsal ditch". Thus, the trained honeybees met a sudden increase in the distance to the ceiling, corresponding to a sudden strong change in the visual cues available in their dorsal field of view. Honeybees reacted by rising quickly and hugging the new, higher ceiling, keeping a similar forward speed, distance to the ceiling and dorsal optic flow to those observed during the training step; whereas bees trained to follow the floor kept on following the floor regardless of the change in the ceiling height. When trained honeybees entered the tunnel via the other entry (the lower or upper entry) to that used during the training step, they quickly changed their altitude and hugged the surface they had previously learned to follow. These findings clearly show that trained honeybees control their altitude based on visual cues memorized during training. The memorized visual cues generated by the surfaces followed form a complex optic flow pattern: trained honeybees may attempt to match the visual cues they perceive with this memorized optic flow pattern by controlling their altitude.Geoffrey PortelliJulien R. SerresFranck RuffierNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Geoffrey Portelli Julien R. Serres Franck Ruffier Altitude control in honeybees: joint vision-based learning and guidance
description	Abstract Studies on insects’ visual guidance systems have shed little light on how learning contributes to insects’ altitude control system. In this study, honeybees were trained to fly along a double-roofed tunnel after entering it near either the ceiling or the floor of the tunnel. The honeybees trained to hug the ceiling therefore encountered a sudden change in the tunnel configuration midways: i.e. a "dorsal ditch". Thus, the trained honeybees met a sudden increase in the distance to the ceiling, corresponding to a sudden strong change in the visual cues available in their dorsal field of view. Honeybees reacted by rising quickly and hugging the new, higher ceiling, keeping a similar forward speed, distance to the ceiling and dorsal optic flow to those observed during the training step; whereas bees trained to follow the floor kept on following the floor regardless of the change in the ceiling height. When trained honeybees entered the tunnel via the other entry (the lower or upper entry) to that used during the training step, they quickly changed their altitude and hugged the surface they had previously learned to follow. These findings clearly show that trained honeybees control their altitude based on visual cues memorized during training. The memorized visual cues generated by the surfaces followed form a complex optic flow pattern: trained honeybees may attempt to match the visual cues they perceive with this memorized optic flow pattern by controlling their altitude.
format	article
author	Geoffrey Portelli Julien R. Serres Franck Ruffier
author_facet	Geoffrey Portelli Julien R. Serres Franck Ruffier
author_sort	Geoffrey Portelli
title	Altitude control in honeybees: joint vision-based learning and guidance
title_short	Altitude control in honeybees: joint vision-based learning and guidance
title_full	Altitude control in honeybees: joint vision-based learning and guidance
title_fullStr	Altitude control in honeybees: joint vision-based learning and guidance
title_full_unstemmed	Altitude control in honeybees: joint vision-based learning and guidance
title_sort	altitude control in honeybees: joint vision-based learning and guidance
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/a92200dffb4b45e49d2d08a50cb0d8b5
work_keys_str_mv	AT geoffreyportelli altitudecontrolinhoneybeesjointvisionbasedlearningandguidance AT julienrserres altitudecontrolinhoneybeesjointvisionbasedlearningandguidance AT franckruffier altitudecontrolinhoneybeesjointvisionbasedlearningandguidance
_version_	1718395664072704000

Altitude control in honeybees: joint vision-based learning and guidance

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