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@ARTICLE{Mantziaris:836138,
author = {Mantziaris, Charalampos and Bockemühl, Till and Holmes,
Philip and Borgmann, Anke and Daun, Silvia and Bueschges,
Ansgar},
title = {{I}ntra- and intersegmental influences among central
pattern generating networks in the walking system of the
stick insect},
journal = {Journal of neurophysiology},
volume = {118},
number = {4},
issn = {1522-1598},
address = {Bethesda, Md.},
publisher = {Soc.},
reportid = {FZJ-2017-05261},
pages = {2296-2310},
year = {2017},
abstract = {To efficiently move around, animals need to coordinate
their limbs. Proper, context-dependent coupling among the
neural networks underlying leg movement is necessary for
generating intersegmental coordination. In the slow-walking
stick insect, local sensory information is very important
for shaping coordination. However, central coupling
mechanisms among segmental central pattern generators (CPGs)
may also contribute to this. Here, we analyzed the
interactions between contralateral networks that drive the
depressor trochanteris muscle of the legs in both isolated
and interconnected deafferented thoracic ganglia of the
stick insect on application of pilocarpine, a muscarinic
acetylcholine receptor agonist. Our results show that
depressor CPG activity is only weakly coupled between all
segments. Intrasegmental phase relationships differ between
the three isolated ganglia, and they are modified and
stabilized when ganglia are interconnected. However, the
coordination patterns that emerge do not resemble those
observed during walking. Our findings are in line with
recent studies and highlight the influence of sensory input
on coordination in slowly walking insects. Finally, as a
direct interaction between depressor CPG networks and
contralateral motoneurons could not be observed, we
hypothesize that coupling is based on interactions at the
level of CPG interneurons.},
cin = {INM-3},
ddc = {610},
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},
pubmed = {pmid:28724783},
UT = {WOS:000412642900031},
doi = {10.1152/jn.00321.2017},
url = {https://juser.fz-juelich.de/record/836138},
}