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@ARTICLE{Vieweg:140569,
      author       = {Vieweg, Paula and Riemer, Martin and Berron, David and
                      Wolbers, Thomas},
      title        = {{M}emory {I}mage {C}ompletion: {E}stablishing a task to
                      behaviorally assess pattern completion in humans.},
      journal      = {Hippocampus},
      volume       = {29},
      number       = {4},
      issn         = {1050-9631},
      address      = {New York, NY [u.a.]},
      publisher    = {Wiley},
      reportid     = {DZNE-2020-06891},
      pages        = {340-351},
      year         = {2019},
      abstract     = {For memory retrieval, pattern completion is a crucial
                      process that restores memories from partial or degraded
                      cues. Neurocognitive aging models suggest that the aged
                      memory system is biased toward pattern completion, resulting
                      in a behavioral preference for retrieval over encoding of
                      memories. Here, we built on our previously developed
                      behavioral recognition memory paradigm-the Memory Image
                      Completion (MIC) task-a task to specifically target pattern
                      completion. First, we used the original design with
                      concurrent eye-tracking in order to rule out perceptual
                      confounds that could interact with recognition performance.
                      Second, we developed parallel versions of the task to
                      accommodate test settings in clinical environments or
                      longitudinal studies. The results show that older adults
                      have a deficit in pattern completion ability with a
                      concurrent bias toward pattern completion. Importantly,
                      eye-tracking data during encoding could not account for
                      age-related performance differences. At retrieval, spatial
                      viewing patterns for both age groups were more driven by
                      stimulus identity than by response choice, but compared to
                      young adults, older adults' fixation patterns overlapped
                      more between stimuli that they (wrongly) thought had the
                      same identity. This supports the observation that older
                      adults choose responses perceived as similar to a learned
                      stimulus, indicating a bias toward pattern completion.
                      Additionally, two shorter versions of the task yielded
                      comparable results, and no general learning effects were
                      observed for repeated testing. Together, we present evidence
                      that the MIC is a reliable behavioral task that targets
                      pattern completion, that is easily and repeatedly
                      applicable, and that is made freely available online.},
      keywords     = {Adult / Aged / Aging: physiology / Female / Humans / Male /
                      Memory: physiology / Middle Aged / Neuropsychological Tests
                      / Recognition, Psychology: physiology / Young Adult},
      cin          = {AG Wolbers / AG Düzel},
      ddc          = {610},
      cid          = {I:(DE-2719)1310002 / I:(DE-2719)5000006},
      pnm          = {344 - Clinical and Health Care Research (POF3-344)},
      pid          = {G:(DE-HGF)POF3-344},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30246900},
      pmc          = {pmc:PMC6519020},
      doi          = {10.1002/hipo.23030},
      url          = {https://pub.dzne.de/record/140569},
}