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@ARTICLE{Nellessen:892775,
      author       = {Nellessen, Nils and Onur, O. A. and Richter, N. and Jacobs,
                      H. I. L. and Dillen, K. N. H. and Reutern, B. VON and
                      Langen, K. J. and Fink, Gereon Rudolf and Kukolja, J.},
      title        = {{D}ifferential neural structures, intrinsic functional
                      connectivity, and episodic memory in subjective cognitive
                      decline and healthy controls},
      journal      = {Neurobiology of aging},
      volume       = {105},
      issn         = {0197-4580},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2021-02332},
      pages        = {159-173},
      year         = {2021},
      abstract     = {The neural correlates of subjective cognitive decline (SCD;
                      i.e., without objectifiable deficit) remain to be
                      elucidated. Possible causes of SCD include early
                      neurodegeneration related to Alzheimer's disease or
                      functional and structural changes related to sub-clinical
                      depression.We investigated the relationship between episodic
                      memory performance or memory complaints and structural or
                      functional magnetic resonance imaging (MRI) measures in
                      participants with SCD (n=18) but without psychiatric
                      disorders and healthy controls (n=31).In SCD, memory
                      complaints were not associated with memory performance but
                      with sub-clinical depression and executive functions.
                      SCD-associated memory complaints correlated with higher
                      amygdala and parahippocampal gyrus (specifically subiculum)
                      gray matter density. In controls, but not in SCD,
                      mesiotemporal gray matter density and superior frontal gyrus
                      functional connectivity predicted memory performance. In
                      contrast, in SCD, only a trend toward a correlation between
                      memory performance and gray matter density in the
                      parietooccipital lobes was observed.In our memory-clinic
                      sample of SCD, we did not observe incipient
                      neurodegeneration (limited to structural and functional MRI)
                      but rather sub-clinical depression underlying subjective
                      cognitive complaints.},
      cin          = {INM-3 / INM-4},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-3-20090406 / I:(DE-Juel1)INM-4-20090406},
      pnm          = {525 - Decoding Brain Organization and Dysfunction
                      (POF4-525)},
      pid          = {G:(DE-HGF)POF4-525},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {34090179},
      UT           = {WOS:000680064700015},
      doi          = {10.1016/j.neurobiolaging.2021.04.016},
      url          = {https://juser.fz-juelich.de/record/892775},
}