Amblypygids : Model Organisms for the Study of Arthropod Navigation Mechanisms in Complex Environments?

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2016
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Wiegmann, Daniel D.
Hebets, Eileen A.
Gronenberg, Wulfila
Bingman, Verner P.
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Frontiers in Behavioral Neuroscience. Frontiers Research Foundation. 2016, 10, 47. eISSN 1662-5153. Available under: doi: 10.3389/fnbeh.2016.00047
Zusammenfassung

Navigation is an ideal behavioral model for the study of sensory system integration and the neural substrates associated with complex behavior. For this broader purpose, however, it may be profitable to develop new model systems that are both tractable and sufficiently complex to ensure that information derived from a single sensory modality and path integration are inadequate to locate a goal. Here, we discuss some recent discoveries related to navigation by amblypygids, nocturnal arachnids that inhabit the tropics and sub-tropics. Nocturnal displacement experiments under the cover of a tropical rainforest reveal that these animals possess navigational abilities that are reminiscent, albeit on a smaller spatial scale, of true-navigating vertebrates. Specialized legs, called antenniform legs, which possess hundreds of olfactory and tactile sensory hairs, and vision appear to be involved. These animals also have enormous mushroom bodies, higher-order brain regions that, in insects, integrate contextual cues and may be involved in spatial memory. In amblypygids, the complexity of a nocturnal rainforest may impose navigational challenges that favor the integration of information derived from multimodal cues. Moreover, the movement of these animals is easily studied in the laboratory and putative neural integration sites of sensory information can be manipulated. Thus, amblypygids could serve as model organisms for the discovery of neural substrates associated with a unique and potentially sophisticated navigational capability. The diversity of habitats in which amblypygids are found also offers an opportunity for comparative studies of sensory integration and ecological selection pressures on navigation mechanisms.

Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
570 Biowissenschaften, Biologie
Schlagwörter
amblypygid, mushroom bodies, multimodal sensory integration, navigation mechanisms, Phrynus
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ISO 690WIEGMANN, Daniel D., Eileen A. HEBETS, Wulfila GRONENBERG, Jacob M. GRAVING, Verner P. BINGMAN, 2016. Amblypygids : Model Organisms for the Study of Arthropod Navigation Mechanisms in Complex Environments?. In: Frontiers in Behavioral Neuroscience. Frontiers Research Foundation. 2016, 10, 47. eISSN 1662-5153. Available under: doi: 10.3389/fnbeh.2016.00047
BibTex
@article{Wiegmann2016Ambly-48702,
  year={2016},
  doi={10.3389/fnbeh.2016.00047},
  title={Amblypygids : Model Organisms for the Study of Arthropod Navigation Mechanisms in Complex Environments?},
  volume={10},
  journal={Frontiers in Behavioral Neuroscience},
  author={Wiegmann, Daniel D. and Hebets, Eileen A. and Gronenberg, Wulfila and Graving, Jacob M. and Bingman, Verner P.},
  note={Article Number: 47}
}
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