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@MISC{Monzel:279472,
      author       = {Monzel, Merlin and Leelaarporn, Pitshaporn and Lutz, Teresa
                      and Schultz, Johannes and Brunheim, Sascha and Reuter,
                      Martin and McCormick, Cornelia},
      title        = {{D}ata from: {H}ippocampal-occipital connectivity reflects
                      autobiographical memory deficits in aphantasia},
      publisher    = {Dryad},
      reportid     = {DZNE-2025-00799},
      year         = {2025},
      abstract     = {Aphantasia refers to reduced or absent visual imagery.
                      While most of us can readily recall decade-old personal
                      experiences (autobiographical memories, AM) with vivid
                      mental images, there is a dearth of information about
                      whether the loss of visual imagery in aphantasics affects
                      their AM retrieval. The hippocampus is thought to be a
                      crucial hub in a brain-wide network underlying AM. One
                      important question is whether this network, especially the
                      connectivity of the hippocampus, is altered in aphantasia.
                      In the current study, we tested 14 congenital aphantasics
                      and 16 demographically matched controls in an AM fMRI task
                      to investigate how key brain regions (i.e., hippocampus and
                      visual-perceptual cortices) interact with each other during
                      AM re-experiencing. All participants were interviewed
                      regarding their autobiographical memory to examine their
                      episodic and semantic recall of specific events. Aphantasics
                      reported more difficulties in recalling AM, were less
                      confident about their memories, and described less internal
                      and emotional details than controls. Neurally, aphantasics
                      displayed decreased hippocampal and increased
                      visual-perceptual cortex activation during AM retrieval
                      compared to controls. In addition, controls showed strong
                      negative functional connectivity between the hippocampus and
                      the visual cortex during AM and resting-state functional
                      connectivity between these two brain structures predicted
                      better visualization skills. Our results indicate that
                      visual mental imagery plays an important role in detail-rich
                      vivid AM, and that this type of cognitive function is
                      supported by the functional connection between the
                      hippocampus and the visual-perceptual cortex.},
      keywords     = {FOS: Psychology (Other) / aphantasia (Other) / fMRI (Other)
                      / autobiographical memory (Other)},
      cin          = {Clinical Research (Bonn) / AG Remy / Clinical Research
                      Platform (CRP)},
      cid          = {I:(DE-2719)1011001 / I:(DE-2719)1013006 /
                      I:(DE-2719)1011401},
      pnm          = {353 - Clinical and Health Care Research (POF4-353) / 351 -
                      Brain Function (POF4-351)},
      pid          = {G:(DE-HGF)POF4-353 / G:(DE-HGF)POF4-351},
      typ          = {PUB:(DE-HGF)32},
      doi          = {10.5061/dryad.fbg79cp48},
      url          = {https://pub.dzne.de/record/279472},
}