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@ARTICLE{Harris:136572,
      author       = {Harris, Mathew A and Wolbers, Thomas},
      title        = {{A}geing effects on path integration and landmark
                      navigation.},
      journal      = {Hippocampus},
      volume       = {22},
      number       = {8},
      issn         = {1050-9631},
      address      = {New York, NY [u.a.]},
      publisher    = {Wiley},
      reportid     = {DZNE-2020-02894},
      pages        = {1770-1780},
      year         = {2012},
      abstract     = {Navigation abilities show marked decline in both normal
                      ageing and dementia. Path integration may be particularly
                      affected, as it is supported by the hippocampus and
                      entorhinal cortex, both of which show severe degeneration
                      with ageing. Age differences in path integration based on
                      kinaesthetic and vestibular cues have been clearly
                      demonstrated, but very little research has focused on visual
                      path integration, based only on optic flow. Path integration
                      is complemented by landmark navigation, which may also show
                      age differences, but has not been well studied either. Here
                      we present a study using several simple virtual navigation
                      tasks to explore age differences in path integration both
                      with and without landmark information. We report that,
                      within a virtual environment that provided only optic flow
                      information, older participants exhibited deficits in path
                      integration in terms of distance reproduction, rotation
                      reproduction, and triangle completion. We also report age
                      differences in triangle completion within an environment
                      that provided landmark information. In all tasks, we
                      observed a more restricted range of responses in the older
                      participants, which we discuss in terms of a leaky
                      integrator model, as older participants showed greater leak
                      than younger participants. Our findings begin to explain the
                      mechanisms underlying age differences in path integration,
                      and thus contribute to an understanding of the substantial
                      decline in navigation abilities observed in ageing.},
      keywords     = {Adult / Aged / Aged, 80 and over / Aging: physiology / Cues
                      / Distance Perception: physiology / Entorhinal Cortex:
                      physiology / Hippocampus: physiology / Humans / Middle Aged
                      / Neuropsychological Tests / Orientation: physiology /
                      Rotation / Space Perception / Task Performance and Analysis
                      / User-Computer Interface / Vestibule, Labyrinth: physiology
                      / Visual Perception},
      cin          = {AG Wolbers},
      ddc          = {610},
      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:22431367},
      doi          = {10.1002/hipo.22011},
      url          = {https://pub.dzne.de/record/136572},
}