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@ARTICLE{Bardakan:909932,
      author       = {Bardakan, Michella M. and Schmidt, Claudia C. and Hesse,
                      Maike D. and Fink, Gereon R. and Weiss, Peter H.},
      title        = {{N}europsychological {E}vidence for a {M}otor {W}orking
                      {M}emory {S}ubsystem {R}elated to {A}praxia},
      journal      = {Journal of cognitive neuroscience},
      volume       = {34},
      number       = {11},
      issn         = {0898-929X},
      address      = {Cambridge, Mass.},
      publisher    = {MIT Pr. Journals},
      reportid     = {FZJ-2022-03526},
      pages        = {2016–2027},
      year         = {2022},
      abstract     = {Recent evidence in healthy participants suggests that a
                      motor subcomponent of working memory (mWM) may exist. We
                      investigated whether this mWM is impaired in patients with a
                      motor-dominant left hemisphere (LH) stroke and apraxia.
                      Furthermore, we hypothesized that a deficient mWM
                      contributes to deficits in motor cognition, that is,
                      apraxia, in LH stroke. The study included 52 patients with
                      LH stroke and 25 age-matched controls. Patients were
                      classified into LH stroke patients with and without apraxia
                      based on deficits in gesture imitation and object use. All
                      participants were examined using the block span test
                      (visuospatial WM), the digit span test (verbal WM), and a
                      novel mWM task. In the latter, participants were presented
                      with static pictures depicting three different actions:
                      actions with objects, meaningless actions, and meaningful
                      actions. In the mWM task, LH stroke patients with apraxia
                      performed worse than age-matched controls. Notably, LH
                      stroke patients with apraxia showed more pronounced mWM
                      deficits than those without apraxia. These results remained
                      significant even after controlling for visuospatial and
                      verbal WM deficits. Regression analyses revealed that LH
                      stroke patients' mWM deficits predicted deficits in
                      imitation. Data provide neuropsychological evidence for a
                      motor subsystem of WM and suggest that deficits in mWM
                      contribute to the severity of apraxia in LH stroke
                      patients.},
      cin          = {INM-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-3-20090406},
      pnm          = {5251 - Multilevel Brain Organization and Variability
                      (POF4-525)},
      pid          = {G:(DE-HGF)POF4-5251},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {35900867},
      UT           = {WOS:000863425200002},
      doi          = {10.1162/jocn_a_01893},
      url          = {https://juser.fz-juelich.de/record/909932},
}