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@MISC{Kuehn:169075,
      author       = {Kuehn, Esther and Liu, Peng and Chrysidou, Anastasia and
                      Doehler, Juliane and Wolbers, Thomas},
      title        = {{D}ataset: {T}he organizational principles of
                      de-differentiated topographic maps - {D}ata},
      publisher    = {Dryad},
      reportid     = {DZNE-2022-01782},
      year         = {2020},
      abstract     = {Topographic maps are a fundamental feature of cortex
                      architecture in the mammalian brain. One common theory is
                      that the de-differentiation of topographic maps links to
                      impairments in everyday behavior due to less precise
                      functional map readouts. Here, we tested this theory by
                      characterizing de-differentiated topographic maps in primary
                      somatosensory cortex (SI) of younger and older adults by
                      means of ultra-high resolution functional magnetic resonance
                      imaging together with perceptual finger individuation and
                      hand dexterity. Older adults’ SI maps showed similar
                      amplitude, size, and levels of stimulus-related noise than
                      younger adults’ SI maps, but presented with less
                      representational similarity between distant fingers. Larger
                      population receptive field sizes in older adults’ maps did
                      not correlate with behavior, whereas reduced cortical
                      distances related to better hand dexterity. Our data uncover
                      the drawbacks of a simple de-differentiation model of
                      topographic map function, and motivate the introduction of a
                      feature-based model of cortical reorganization.},
      cin          = {AG Wolbers},
      cid          = {I:(DE-2719)1310002},
      pnm          = {353 - Clinical and Health Care Research (POF4-353)},
      pid          = {G:(DE-HGF)POF4-353},
      typ          = {PUB:(DE-HGF)32},
      doi          = {10.5061/dryad.mgqnk98x8},
      url          = {https://pub.dzne.de/record/169075},
}