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@ARTICLE{Krause:57450,
      author       = {Krause, B. J. and Hautzel, H. and Schmidt, D. and Flüss,
                      M. O. and Poeppel, T. D. and Müller, H.-W. and Halsband, U.
                      and Mottaghy, F. M.},
      title        = {{L}earning related interactions among neuronal systems
                      involved in memory processes},
      journal      = {The journal of physiology},
      volume       = {99},
      issn         = {0022-3751},
      address      = {[S.l.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-57450},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Functional neuroimaging techniques using positron emission
                      tomography (PET) and functional magnetic resonance imaging
                      (fMRI) have provided new insights in our understanding of
                      brain function from the molecular to the systems level.
                      While subtraction strategy based data analyses have revealed
                      the involvement of distributed brain regions in memory
                      processes, covariance analysis based data analysis
                      strategies allow functional interactions between brain
                      regions of a neuronal network to be assessed. The focus of
                      this chapter is to (1) establish the functional topography
                      of episodic and working memory processes in young and old
                      normal volunteers, (2) to assess functional interactions
                      between modules of networks of brain regions by means of
                      covariance based analyses and systems level modelling and
                      (3) to relate neuroimaging data to the underpinning neural
                      networks. Male normal young and old volunteers without
                      neurological or psychiatric illness participated in
                      neuroimaging studies (PET, fMRI) on working and episodic
                      memory. Distributed brain areas are involved in memory
                      processes (episodic and working memory) in young volunteers
                      and show much of an overlap with respect to the network
                      components. Systems level modelling analyses support the
                      hypothesis of bihemispheric, asymmetric networks subserving
                      memory processes and revealed both similarities in general
                      and differences in the interactions between brain regions
                      during episodic encoding and retrieval as well as working
                      memory. Changes in memory function with ageing are evident
                      from studies in old volunteers activating more brain regions
                      compared to young volunteers and revealing more and stronger
                      influences of prefrontal regions. We finally discuss the way
                      in which the systems level models based on PET and fMRI
                      results have implications for the understanding of the
                      underlying neural network functioning of the brain.},
      keywords     = {Animals / Humans / Learning: physiology / Memory:
                      physiology / Memory, Short-Term: physiology / Nervous System
                      Physiological Phenomena / J (WoSType)},
      cin          = {KME},
      ddc          = {610},
      cid          = {I:(DE-Juel1)VDB145},
      pnm          = {ohne FE},
      pid          = {G:(DE-Juel1)FUEK307},
      shelfmark    = {Neurosciences / Physiology},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16723213},
      UT           = {WOS:000238775200004},
      doi          = {10.1016/j.jphysparis.2006.03.017},
      url          = {https://juser.fz-juelich.de/record/57450},
}