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@ARTICLE{Lundstrm:850808,
      author       = {Lundström, Johan N and Regenbogen, Christina and Ohla,
                      Kathrin and Seubert, Janina},
      title        = {{P}refrontal {C}ontrol {O}ver {O}ccipital {R}esponses to
                      {C}rossmodal {O}verlap {V}aries {A}cross the {C}ongruency
                      {S}pectrum},
      journal      = {Cerebral cortex},
      volume       = {29},
      number       = {7},
      issn         = {1460-2199},
      address      = {Oxford},
      publisher    = {Oxford Univ. Press},
      reportid     = {FZJ-2018-04579},
      pages        = {3023–3033},
      year         = {2019},
      abstract     = {While matched crossmodal information is known to facilitate
                      object recognition, it is unclear how our perceptual systems
                      encode the more gradual congruency variations that occur in
                      our natural environment. Combining visual objects with odor
                      mixtures to create a gradual increase in semantic object
                      overlap, we demonstrate high behavioral acuity to linear
                      variations of olfactory–visual overlap in a healthy adult
                      population. This effect was paralleled by a linear increase
                      in cortical activation at the intersection of occipital
                      fusiform and lingual gyri, indicating linear encoding of
                      crossmodal semantic overlap in visual object recognition
                      networks. Effective connectivity analyses revealed that this
                      integration of olfactory and visual information was achieved
                      by direct information exchange between olfactory and visual
                      areas. In addition, a parallel pathway through the superior
                      frontal gyrus was increasingly recruited towards the most
                      ambiguous stimuli. These findings demonstrate that cortical
                      structures involved in object formation are inherently
                      crossmodal and encode sensory overlap in a linear manner.
                      The results further demonstrate that prefrontal control of
                      these processes is likely required for ambiguous stimulus
                      combinations, a fact of high ecological relevance that may
                      be inappropriately captured by common task designs
                      juxtaposing congruency and incongruency},
      cin          = {INM-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-3-20090406},
      pnm          = {572 - (Dys-)function and Plasticity (POF3-572)},
      pid          = {G:(DE-HGF)POF3-572},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30060139},
      UT           = {WOS:000477708300019},
      doi          = {10.1093/cercor/bhy168},
      url          = {https://juser.fz-juelich.de/record/850808},
}