2 edition of Visually guided route navigation in the wood ant (Formica rufa) found in the catalog.
Visually guided route navigation in the wood ant (Formica rufa)
Written in English
D.Phil. 2002 BLDSC DXN061728.
|Statement||Paul Richard Graham.|
|Series||Sussex theses ; S 5452|
|The Physical Object|
|Pagination||xi, 86p. :|
|Number of Pages||86|
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Rüdiger Wehner's lifelong research activities centered on have rendered these thermophilic desert ants model organisms in the study of animal navigation. The present account describes how the author encountered and established a study site at Maharès, Tunisia; how he increasingly focused his research on the neuroethological analysis of the ant's navigational toolkit; and finally, how he Here, we investigated whether a subtle change in the landmark panorama, caused by the felling of three dead trees, two en route to their main foraging tree and one perpendicular to their foraging direction, affected the visual navigation ability of this nocturnal ant. Figure 1. The nocturnal Australian bull ant, Myrmecia ://
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Key words: wood ant, Formica rufa, view-based navigation, route learning, visual landmarks. Summary The Journal of Experimental BiologyPublished by The Company of Biologists doi/jeb Bi-directional route learning in wood ants Paul Graham and Thomas S.
Collett* The visually guided navigation of ants has inspired biorobotic projects (Lambrinos et al., ) but we are yet to see a fully integrated neuroethological account of insect navigation (Webb and Wystrach, ) and many of the desirable characteristics of ant navigation are not yet captured in Ants that forage in visually rich environments often develop idiosyncratic routes between their nest and a profitable foraging ground.
Such route knowledge is underpinned by an ability to use visual landmarks for guidance and place recognition. Here we ask which portions of natural visual scenes are essential for visually guided navigation in the Australian desert ant Melophorus bagoti whose Introduction.
A number of species of ants are known to learn and follow visually guided routes when foraging. Part of the evidence for learnt, visually guided routes comes from the findings that over several trips an individual ant will follow much the same route through a visually cluttered environment, and that different individuals from the same nest travelling to the same destination will Although this trajectory could be guided both by cues from an ant's path integration (27, 28) and by route memories, in fact route memories tend to prevail for an experienced ant (2, 6, 7).
At the end of its sample trajectory, within 1 m of the nest, the ant was caught and displaced to one of eight release sites (Fig. 2 B, squares) from Many animals learn to follow habitual routes between important locations, but how they encode their routes is still largely unknown.
Desert ants traveling between their nest and a food site develop stable, visually guided routes that can wind through desert scrub without the use of trail pheromones.
Their route memories are sufficiently robust that if a nest-bound ant is caught at the end Dissertation Title: Visually guided navigation in wood ants (Formica rufa L.): How does the visual environment influence ant’s idiosyncratic route-based navigation.
For my dissertation project I spend hours in lab conditions collecting data from a series of experiments, which were later considered by my supervisor to be of “publishable It might merely imply that if the ant's path integrator has not yet been reset to zero, vector navigation is still the ant's dominant means of navigation suppressing route following or any kind of map-like behavior.
It is here that the zero-vector ants captured at C 2 directly adjacent to the nest entrance come into :// Srinivasan, Mandyam V. () Honeybees as a model for the study of visually guided flight, navigation and biologically inspired robotics. Physiological Reviews, 91 2: doi: /physrev Common Causes of Visual Loss in Children.
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There, they met King Herod of Judea, and asked him: "Where is the one who has been born king of the Jews. We have come to pay homage to the newborn king of the Jews.". Herod calls his scribes and priests who quote The DRA has been documented in several day-active, and one night-active ant species.
Both diurnal and nocturnal ants also rely on landmark information for navigation, –, which requires sufficient resolution and sensitivity. In addition, eyes that must work in such wide range of light conditions must have some means to adjust their Research Research interests.
Animal vision; Learning and memory; Active sensing; Sensory ecology / Neuroecology; Funding: BBSRC, Leverhulme Trust, NERC, UKIERI, Royal Society Research projects. Research in my group focusses on social insects, bees and ants, investigating how sensory information is processed and used in the context of foraging activities, spatial orientation and ?web_id=Natalie_Hempel_de_Ibarra.
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The acquisition of visually guided routes can also be aided by scent trails. The scent trail provides a means of stabilizing the route of an ant Visually-guided behavior Discernment of visual targets [ edit ] The ability of discerning between slightly different visual targets has been shown for Cupiennius salei, although this species relies mainly on its mechanosensory systems during prey catching or mating :// Areas computed between the route traversals of each ant (intra-route areas) and between each ant and the routes of other ants (inter-route areas).
Boxes show lower quartile, median, and upper quartile values and whiskers indicate the most extreme values within times the interquartile :// top of the ant’s head, which mediate fast sensing of body rotation in some flying insects  and extract celestial compass information in ants .
We repeated the experiment Ants use a predictive mechanism to compensate for passive displacements by wind A. Wystrach1,3,* and S. Schwarz2,3 Insect navigation is a fruitful(13)pdf. Phil Husbands. University of Sussex A Situated and Embodied Model of Ant Route Navigation.
Conference Paper. Models of visually guided routes in ants: on-line learning of holistic route. Reid SF, Narendra A, Hemmi JM & Zeil J'Polarised skylight and the landmark panorama provide night-active bull ants with compass information during route following', Journal of A model of ant route navigation driven by scene familiarity.
PLOS Computational Biology, 8(1), Article e Learning walks and landmark guidance in wood ants Honeybees as a model for the study of visually guided flight, navigation, Wehner, R.: Desert ant navigation: How miniature brains solve complex tasks.
J. Comp. Physiol. A– () CrossRef Google Scholar