Arid
DOI10.3389/fnbeh.2017.00226
The Role of Celestial Compass Information in Cataglyphis Ants during Learning Walks and for Neuroplasticity in the Central Complex and Mushroom Bodies
Grob, Robin1; Fleischmann, Pauline N.1; Gruebel, Kornelia1; Wehner, Rudiger2; Roessler, Wolfgang1
通讯作者Grob, Robin ; Fleischmann, Pauline N.
来源期刊FRONTIERS IN BEHAVIORAL NEUROSCIENCE
ISSN1662-5153
出版年2017
卷号11
英文摘要

Central place foragers are faced with the challenge to learn the position of their nest entrance in its surroundings, in order to find their way back home every time they go out to search for food. To acquire navigational information at the beginning of their foraging career, Cataglyphis noda performs learning walks during the transition from interior worker to forager. These small loops around the nest entrance are repeatedly interrupted by strikingly accurate back turns during which the ants stop and precisely gaze back to the nest entrance-presumably to learn the landmark panorama of the nest surroundings. However, as at this point the complete navigational toolkit is not yet available, the ants are in need of a reference system for the compass component of the path integrator to align their nest entrance-directed gazes. In order to find this directional reference system, we systematically manipulated the skylight information received by ants during learning walks in their natural habitat, as it has been previously suggested that the celestial compass, as part of the path integrator, might provide such a reference system. High-speed video analyses of distinct learning walk elements revealed that even exclusion from the skylight polarization pattern, UV-light spectrum and the position of the sun did not alter the accuracy of the look back to the nest behavior. We therefore conclude that C. noda uses a different reference system to initially align their gaze directions. However, a comparison of neuroanatomical changes in the central complex and the mushroom bodies before and after learning walks revealed that exposure to UV light together with a naturally changing polarization pattern was essential to induce neuroplasticity in these high-order sensory integration centers of the ant brain. This suggests a crucial role of celestial information, in particular a changing polarization pattern, in initially calibrating the celestial compass system.


英文关键词look-back behavior desert ants vector navigation sky-compass pathway memory central complex mushroom body visual orientation
类型Article
语种英语
国家Germany ; Switzerland
收录类别SCI-E ; SSCI
WOS记录号WOS:000415059200001
WOS关键词LONG-TERM-MEMORY ; DESERT ANTS ; PATH-INTEGRATION ; INSECT BRAIN ; ORIENTATION FLIGHTS ; BOMBUS-TERRESTRIS ; VISUAL EXPERIENCE ; RETURN FLIGHTS ; BODY CALYX ; HONEYBEE
WOS类目Behavioral Sciences ; Neurosciences
WOS研究方向Behavioral Sciences ; Neurosciences & Neurology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/199027
作者单位1.Univ Wurzburg, Biozentrum, Behav Physiol & Sociobiol Zool 2, Wurzburg, Germany;
2.Univ Zurich, Brain Res Inst, Zurich, Switzerland
推荐引用方式
GB/T 7714
Grob, Robin,Fleischmann, Pauline N.,Gruebel, Kornelia,et al. The Role of Celestial Compass Information in Cataglyphis Ants during Learning Walks and for Neuroplasticity in the Central Complex and Mushroom Bodies[J],2017,11.
APA Grob, Robin,Fleischmann, Pauline N.,Gruebel, Kornelia,Wehner, Rudiger,&Roessler, Wolfgang.(2017).The Role of Celestial Compass Information in Cataglyphis Ants during Learning Walks and for Neuroplasticity in the Central Complex and Mushroom Bodies.FRONTIERS IN BEHAVIORAL NEUROSCIENCE,11.
MLA Grob, Robin,et al."The Role of Celestial Compass Information in Cataglyphis Ants during Learning Walks and for Neuroplasticity in the Central Complex and Mushroom Bodies".FRONTIERS IN BEHAVIORAL NEUROSCIENCE 11(2017).
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