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@ARTICLE{Toth:827986,
author = {Toth, T. I. and Daun, Silvia},
title = {{E}ffects of functional decoupling of a leg in a model of
stick insect walking incorporating three ipsilateral legs.},
journal = {Physiological reports},
volume = {5},
number = {4},
issn = {2051-817X},
address = {[S.l.]},
publisher = {Wiley},
reportid = {FZJ-2017-02008},
pages = {e13154},
year = {2017},
abstract = {Legged locomotion is a fundamental form of activity of
insects during which the legs perform coordinated movements.
Sensory signals conveying position, velocity and load of a
leg are sent between the thoracic ganglia where the local
control networks of the leg muscles are situated. They
affect the actual state of the local control networks, hence
the stepping of the legs. Sensory coordination in stepping
has been intensively studied but important details of its
neuronal mechanisms are still unclear. One possibility to
tackle this problem is to study what happens to the
coordination if a leg is, reversibly or irreversibly,
deprived of its normal function. There are numerous
behavioral studies on this topic but they could not fully
uncover the underlying neuronal mechanisms. Another
promising approach to make further progress here can be the
use of appropriate models that help elucidate those
coordinating mechanisms. We constructed a model of three
ipsilateral legs of a stick insect that can mimic
coordinated stepping of these legs. We used this model to
investigate the possible effects of decoupling a leg. We
found that decoupling of the front or the hind leg did not
disrupt the coordinated walking of the two remaining legs.
However, decoupling of the middle leg yielded mixed results.
Both disruption and continuation of coordinated stepping of
the front and hind leg occurred. These results agree with
the majority of corresponding experimental findings. The
model suggests a number of possible mechanisms of decoupling
that might bring about the changes.},
cin = {INM-3},
ddc = {570},
cid = {I:(DE-Juel1)INM-3-20090406},
pnm = {572 - (Dys-)function and Plasticity (POF3-572)},
pid = {G:(DE-HGF)POF3-572},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000397431000019},
doi = {10.14814/phy2.13154},
url = {https://juser.fz-juelich.de/record/827986},
}