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@ARTICLE{Merhav:140869,
      author       = {Merhav, Maayan and Wolbers, Thomas},
      title        = {{A}ging and spatial cues influence the updating of
                      navigational memories.},
      journal      = {Scientific reports},
      volume       = {9},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {DZNE-2020-07191},
      pages        = {11469},
      year         = {2019},
      abstract     = {Updating navigational memories is important for everyday
                      tasks. It was recently found that older adults are impaired
                      in updating spatial representations in small, bi-dimensional
                      layouts. Because performance in small-scale areas cannot
                      predict navigational behavior, we investigated how aging
                      affects the updating of navigational memories encoded in
                      large, 3-dimensional environments. Moreover, since locations
                      can be encoded relative to the observer (egocentric
                      encoding) or relative to landmarks (allocentric encoding),
                      we tested whether the presumed age-related spatial updating
                      deficit depends on the available spatial cues. By combining
                      whole-body motion tracking with immersive virtual reality,
                      we could dissociate egocentric and allocentric spatial cues
                      and assess navigational memory under ecologically valid
                      conditions (i.e., providing body-based and visual cues). In
                      the task, objects were relocated overnight, and young and
                      older participants had to navigate to the updated locations
                      of the objects. In addition to replicating age-related
                      deficits in allocentric memory, we found age-related
                      impairments in updating navigational memories following
                      egocentric encoding. Finally, older participants depicted
                      stronger representations of the previous navigational
                      context that were correlated with their spatial updating
                      deficits. Given that these effects may stem from inefficient
                      suppression of former navigational memories, our findings
                      propose a mechanism that helps explain the navigational
                      decline in aging.},
      keywords     = {Age Factors / Aged / Aging: physiology / Cognitive
                      Dysfunction: diagnosis / Cognitive Dysfunction:
                      physiopathology / Cues / Female / Humans / Male / Space
                      Perception: physiology / Spatial Memory: physiology /
                      Spatial Navigation: physiology / Virtual Reality / Young
                      Adult},
      cin          = {AG Wolbers},
      ddc          = {600},
      cid          = {I:(DE-2719)1310002},
      pnm          = {344 - Clinical and Health Care Research (POF3-344)},
      pid          = {G:(DE-HGF)POF3-344},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31391574},
      pmc          = {pmc:PMC6686023},
      doi          = {10.1038/s41598-019-47971-2},
      url          = {https://pub.dzne.de/record/140869},
}