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@ARTICLE{Krause:136201,
      author       = {Krause, B. J. and Horwitz, B. and Taylor, J. G. and
                      Schmidt, D. and Mottaghy, F. M. and Herzog, H. and Halsband,
                      U. and Müller-Gärtner, H. -W.},
      title        = {{N}etwork analysis in episodic encoding and retrieval of
                      word-pair associates: a {PET} study},
      journal      = {European journal of neuroscience},
      volume       = {11},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-136201},
      pages        = {3293 - 3301},
      note         = {Record converted from JUWEL: 18.07.2013},
      abstract     = {The involvement of distributed brain regions in declarative
                      memory has been hypothesized based on studies with verbal
                      memory tasks. To characterize episodic declarative memory
                      function further, 14 right-handed volunteers performed a
                      visual verbal learning task using paired word associates.
                      The volunteers underwent positron emission tomography.
                      15O-butanol was used as a tracer of regional cerebral blood
                      flow (rCBF). Inter-regional functional interactions were
                      assessed based on within-task, across-subject interregional
                      rCBF correlations. Anatomical connections between brain
                      areas were based on known anatomy. Structural equation
                      modelling was used to calculate the path coefficients
                      representing the magnitudes of the functional influences of
                      each area on the ones to which it is connected by anatomical
                      pathways. The encoding and the retrieval network elicit
                      similarities in a general manner but also differences.
                      Strong functional linkages involving visual integration
                      areas, parahippocampal regions, left precuneus and cingulate
                      gyrus were found in both encoding and retrieval; the
                      functional linkages between posterior regions and prefrontal
                      regions were more closely linked during encoding, whereas
                      functional linkages between the left parahippocampal region
                      and posterior cingulate as well as extrastriate areas and
                      posterior cingulate gyrus were stronger during retrieval. In
                      conclusion, these findings support the idea of a global
                      bihemispheric, asymmetric encoding/retrieval network
                      subserving episodic declarative memory. Our results further
                      underline the role of the precuneus in episodic memory, not
                      only during retrieval but also during encoding.},
      keywords     = {episodic memory / network analysis / paired word associates
                      / positron emission tomography / structural equation
                      modelling},
      cin          = {INM-4},
      ddc          = {500},
      cid          = {I:(DE-Juel1)INM-4-20090406},
      typ          = {PUB:(DE-HGF)16},
      url          = {https://juser.fz-juelich.de/record/136201},
}