Arid
DOI10.3389/fnbeh.2016.00069
Ant Homing Ability Is Not Diminished When Traveling Backwards
Ardin, Paul B.; Mangan, Michael; Webb, Barbara
通讯作者Ardin, Paul B. ; Webb, Barbara
来源期刊FRONTIERS IN BEHAVIORAL NEUROSCIENCE
ISSN1662-5153
出版年2016
卷号10
英文摘要

Ants are known to be capable of homing to their nest after displacement to a novel location. This is widely assumed to involve some form of retinotopic matching between their current view and previously experienced views. One simple algorithm proposed to explain this behavior is continuous retinotopic alignment, in which the ant constantly adjusts its heading by rotating to minimize the pixel-wise difference of its current view from all views stored while facing the nest. However, ants with large prey items will often drag them home while facing backwards. We tested whether displaced ants (Myrmecia croslandi) dragging prey could still home despite experiencing an inverted view of their surroundings under these conditions. Ants moving backwards with food took similarly direct paths to the nest as ants moving forward without food, demonstrating that continuous retinotopic alignment is not a critical component of homing. It is possible that ants use initial or intermittent retinotopic alignment, coupled with some other direction stabilizing cue that they can utilize when moving backward. However, though most ants dragging prey would occasionally look toward the nest, we observed that their heading direction was not noticeably improved afterwards. We assume ants must use comparison of current and stored images for corrections of their path, but suggest they are either able to chose the appropriate visual memory for comparison using an additional mechanism; or can make such comparisons without retinotopic alignment.


英文关键词ants navigation visual homing insect retinotopic view matching
类型Article
语种英语
国家Scotland
收录类别SCI-E
WOS记录号WOS:000373960500001
WOS关键词AUSTRALIAN DESERT ANT ; INSECT NAVIGATION ; MELOPHORUS-BAGOTI ; VISUAL NAVIGATION ; PATH-INTEGRATION ; HYMENOPTERA-FORMICIDAE ; CATAGLYPHIS-FORTIS ; LEARNING-WALKS ; SPATIAL MEMORY ; ROUTE
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/2XILL650/193033
作者单位Univ Edinburgh, Sch Informat, Insect Robot Lab, Edinburgh, Midlothian, Scotland
推荐引用方式
GB/T 7714
Ardin, Paul B.,Mangan, Michael,Webb, Barbara. Ant Homing Ability Is Not Diminished When Traveling Backwards[J],2016,10.
APA Ardin, Paul B.,Mangan, Michael,&Webb, Barbara.(2016).Ant Homing Ability Is Not Diminished When Traveling Backwards.FRONTIERS IN BEHAVIORAL NEUROSCIENCE,10.
MLA Ardin, Paul B.,et al."Ant Homing Ability Is Not Diminished When Traveling Backwards".FRONTIERS IN BEHAVIORAL NEUROSCIENCE 10(2016).
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