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@ARTICLE{Kleineberg:912539,
author = {Kleineberg, Nina and Tscherpel, Caroline and Fink, Gereon
R. and Grefkes, Christian and Weiss, Peter H.},
title = {{D}ifferent facets of object-use pantomime: online {TMS}
evidence on the role of the supramarginal gyrus},
journal = {Cortex},
volume = {156},
issn = {0010-9452},
address = {New York, NY},
publisher = {Elsevier},
reportid = {FZJ-2022-05712},
pages = {13 - 25},
year = {2022},
abstract = {BackgroundA key question in apraxia research is which
specific cognitive processes in pantomiming the parietal
cortex supports. The manipulation-based hypothesis and the
technical-reasoning hypothesis ascribe different roles to
the inferior parietal lobule (IPL).ObjectiveWe elucidated
the role of the left supramarginal gyrus (SMG, i.e., part of
IPL) during the processing of different aspects of
object-use pantomime.MethodsThirty-one healthy participants
matched pantomimes with the corresponding object (PO) or the
corresponding situation (PS) during online transcranial
magnetic stimulation (TMS) interference applied to left SMG,
compared to a control stimulation (vertex). Notably, the
object corresponding to a given pantomime was explicitly not
shown in the PS task, excluding the possibility to analyse a
physical object. Matching an object to the corresponding
situation (OS) served as a control task.ResultsTMS
interference with left SMG significantly affected response
times for both investigated pantomime tasks (PO and PS); the
effect in the PO task significantly correlated with that in
the PS task. As expected, no TMS effect was observed in the
control task (OS).ConclusionLeft SMG does not only establish
a link between pantomime and a manipulable object but is
also involved in pantomime recognition and comprehension.
That TMS interfered with both pantomime tasks supports the
manipulation-based hypothesis, assuming that the IPL
recruits stored gesture engrams whenever pantomimes are
processed.},
cin = {INM-3},
ddc = {610},
cid = {I:(DE-Juel1)INM-3-20090406},
pnm = {5251 - Multilevel Brain Organization and Variability
(POF4-525) / 5252 - Brain Dysfunction and Plasticity
(POF4-525)},
pid = {G:(DE-HGF)POF4-5251 / G:(DE-HGF)POF4-5252},
typ = {PUB:(DE-HGF)16},
doi = {10.1016/j.cortex.2022.06.018},
url = {https://juser.fz-juelich.de/record/912539},
}