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@ARTICLE{Helmstaedter:3697,
      author       = {Helmstaedter, M. and Sakmann, B. and Feldmeyer, D.},
      title        = {{N}euronal {C}orrelates of {L}ocal, {L}ateral and
                      {T}ranslaminar {I}nhibition with {R}eference to {C}ortical
                      {C}olumns},
      journal      = {Cerebral cortex},
      volume       = {19},
      issn         = {1047-3211},
      address      = {Oxford},
      publisher    = {Oxford Univ. Press},
      reportid     = {PreJuSER-3697},
      pages        = {926 - 937},
      year         = {2009},
      note         = {This work was supported by the Max-Planck Society.},
      abstract     = {In the neocortex, inhibition by gamma-aminobutyric
                      acidergic (GABAergic) interneurons is essential for shaping
                      cortical maps, which represent sensory signals. For a
                      detailed understanding of the stream of excitation evoked,
                      for example, by a sensory stimulus, interneurons must be
                      identified with reference to their impact on excitatory
                      neurons located in different laminae of the same (home) and
                      surround columns. We analyzed the axonal projection of layer
                      2/3 (L2/3) interneurons with reference to geometric
                      landmarks of cortical columns by staining neurons in acute
                      slices of rat barrel cortex (P20-P29) and a subsequent
                      cluster analysis using morphological parameters that
                      described the spatial distribution of axons. The cluster
                      analysis defined 4 main axonal projection "types" referred
                      to as 1) "local inhibitors" (including "chandelier
                      neurons"), 2) "lateral inhibitors," 3) "translaminar
                      L2/3-to-L4/5 inhibitors," and 4) "translaminar L2/3-to-L1
                      inhibitors." The putative innervation domains established by
                      axonal projections of the 4 types of interneurons and the
                      dendritic domains of their target excitatory neurons were 1)
                      L2/3 of the home column, 2) L2/3 of both the home and
                      neighboring columns, 3) L4 and L5A of the home column, and
                      4) L1 and L2/3 of the home column. The quantitative analysis
                      of the axonal projection patterns of an unselected sample of
                      51 interneurons located in L2/3 thus defined anatomical
                      correlates for local, lateral, and translaminar inhibition
                      within and between cortical columns.},
      keywords     = {Animals / Functional Laterality: physiology / Neural
                      Inhibition: physiology / Neurons: cytology / Neurons:
                      physiology / Rats / Rats, Wistar / Somatosensory Cortex:
                      cytology / Somatosensory Cortex: physiology / J (WoSType)},
      cin          = {INM-2},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-2-20090406},
      pnm          = {Funktion und Dysfunktion des Nervensystems},
      pid          = {G:(DE-Juel1)FUEK409},
      shelfmark    = {Neurosciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:18832335},
      UT           = {WOS:000263945100017},
      doi          = {10.1093/cercor/bhn141},
      url          = {https://juser.fz-juelich.de/record/3697},
}