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@ARTICLE{Li:865393,
      author       = {Li, Hui and Liu, Nan and Li, You and Weidner, Ralph and
                      Fink, Gereon R. and Chen, Qi},
      title        = {{T}he {S}imon {E}ffect {B}ased on {A}llocentric and
                      {E}gocentric {R}eference {F}rame: {C}ommon and {S}pecific
                      {N}eural {C}orrelates},
      journal      = {Scientific reports},
      volume       = {9},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {FZJ-2019-04878},
      pages        = {13727},
      year         = {2019},
      abstract     = {An object’s location can be represented either relative
                      to an observer’s body effectors (egocentric reference
                      frame) or relative to another external object (allocentric
                      reference frame). In non-spatial tasks, an object’s
                      task-irrelevant egocentric position conflicts with the side
                      of a task-relevant manual response, which defines the
                      classical Simon effect. Growing evidence suggests that the
                      Simon effect occurs not only based on conflicting positions
                      within the egocentric but also within the allocentric
                      reference frame. Although neural mechanisms underlying the
                      egocentric Simon effect have been extensively researched,
                      neural mechanisms underlying the allocentric Simon effect
                      and their potential interaction with those underlying its
                      egocentric variant remain to be explored. In this fMRI
                      study, spatial congruency between the task-irrelevant
                      egocentric and allocentric target positions and the
                      task-relevant response hand was orthogonally manipulated.
                      Behaviorally, a significant Simon effect was observed for
                      both reference frames. Neurally, three sub-regions in the
                      frontoparietal network were involved in different aspects of
                      the Simon effect, depending on the source of the
                      task-irrelevant object locations. The right precentral
                      gyrus, extending to the right SMA, was generally activated
                      by Simon conflicts, irrespective of the spatial reference
                      frame involved, and showed no additive activity to Simon
                      conflicts. In contrast, the right postcentral gyrus was
                      specifically involved in Simon conflicts induced by
                      task-irrelevant allocentric, rather than egocentric,
                      representations. Furthermore, a right lateral frontoparietal
                      network showed increased neural activity whenever the
                      egocentric and allocentric target locations were
                      incongruent, indicating its functional role as a mismatch
                      detector that monitors the discrepancy concerning
                      allocentric and egocentric object locations.},
      cin          = {INM-3},
      ddc          = {600},
      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:31551429},
      UT           = {WOS:000487365300002},
      doi          = {10.1038/s41598-019-49990-5},
      url          = {https://juser.fz-juelich.de/record/865393},
}