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@ARTICLE{Wu:7024,
      author       = {Wu, S.S. and Chang, T.T. and Majid, A. and Caspers, S. and
                      Eickhoff, S. B. and Menon, V.},
      title        = {{F}unctional {H}eterogeneity of {I}nferior {P}arietal
                      {C}ortex during {M}athematical {C}ognition {A}ssessed with
                      {C}ytoarchitectonic {P}robability {M}aps},
      journal      = {Cerebral cortex},
      volume       = {19},
      issn         = {1047-3211},
      address      = {Oxford},
      publisher    = {Oxford Univ. Press},
      reportid     = {PreJuSER-7024},
      pages        = {2930 - 2945},
      year         = {2009},
      note         = {National Institutes of Health (HD047520 and HD059205) and
                      the National Science Foundation (BCS/DRL-0750340).},
      abstract     = {Although the inferior parietal cortex (IPC) has been
                      consistently implicated in mathematical cognition, the
                      functional roles of its subdivisions are poorly understood.
                      We address this problem using probabilistic
                      cytoarchitectonic maps of IPC subdivisions intraparietal
                      sulcus (IPS), angular gyrus (AG), and supramarginal gyrus.
                      We quantified IPC responses relative to task difficulty and
                      individual differences in task proficiency during mental
                      arithmetic (MA) tasks performed with Arabic (MA-A) and Roman
                      (MA-R) numerals. The 2 tasks showed similar levels of
                      activation in 3 distinct IPS areas, hIP1, hIP2, and hIP3,
                      suggesting their obligatory role in MA. Both AG areas, PGa
                      and PGp, were strongly deactivated in both tasks, with
                      stronger deactivations in posterior area PGp. Compared with
                      the more difficult MA-R task, the MA-A task showed greater
                      responses in both AG areas, but this effect was driven by
                      less deactivation in the MA-A task. AG deactivations showed
                      prominent overlap with lateral parietal nodes of the default
                      mode network, suggesting a nonspecific role in MA. In both
                      tasks, greater bilateral AG deactivation was associated with
                      poorer performance. Our findings suggest a close link
                      between IPC structure and function and they provide new
                      evidence for behaviorally salient functional heterogeneity
                      within the IPC during mathematical cognition.},
      keywords     = {Adolescent / Adult / Brain Mapping / Cognition: physiology
                      / Female / Humans / Male / Mathematics / Models,
                      Neurological / Models, Statistical / Parietal Lobe:
                      physiology / Problem Solving: physiology / Young Adult / J
                      (WoSType)},
      cin          = {INM-2},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-2-20090406},
      pnm          = {Funktion und Dysfunktion des Nervensystems},
      pid          = {G:(DE-Juel1)FUEK409},
      shelfmark    = {Neurosciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:19406903},
      pmc          = {pmc:PMC2774395},
      UT           = {WOS:000271813900013},
      doi          = {10.1093/cercor/bhp063},
      url          = {https://juser.fz-juelich.de/record/7024},
}