Bisch-Knaden, S; Wehner, R (2003). Local vectors in desert ants: context-dependent landmark learning during outbound and homebound runs. Journal of Comparative Physiology A, 189(3):181-187.
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Desert ants, Cataglyphis fortis, associate nestward-directed vector memories (local vectors) with the sight of landmarks along a familiar route. This view-based navigational strategy works in parallel to the self-centred path integration system. In the present study we ask at what temporal stage during a foraging journey does the ant acquire nestward-directed local vector information from feeder-associated landmarks: during its outbound run to a feeding site or during its homebound run to the nest. Tests performed after two reversed-image training paradigms revealed that the ants associated such vectors exclusively with landmarks present during their homebound runs.
|Item Type:||Journal Article, refereed|
|Communities & Collections:||07 Faculty of Science > Institute of Zoology (former)|
|DDC:||570 Life sciences; biology
590 Animals (Zoology)
|Date:||1 March 2003|
|Deposited On:||11 Feb 2008 12:16|
|Last Modified:||27 Nov 2013 18:57|
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