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@ARTICLE{Yeung:874741,
      author       = {Yeung, Andy W. K. and Wong, Natalie S. M. and Eickhoff,
                      Simon B.},
      title        = {{E}mpirical assessment of changing sample-characteristics
                      in task-f{MRI} over two decades: {A}n example from gustatory
                      and food studies},
      journal      = {Human brain mapping},
      volume       = {41},
      number       = {9},
      issn         = {1065-9471},
      address      = {New York, NY},
      publisher    = {Wiley-Liss},
      reportid     = {FZJ-2020-01649},
      pages        = {2460-2473},
      year         = {2020},
      note         = {Deutsche Forschungsgemeinschaft, Grant/Award Number: EI
                      816/11-1; Horizon 2020Framework Programme,
                      Grant/AwardNumber: 785907 (HBP SGA2); NationalInstitute of
                      Mental Health, Grant/AwardNumber: R01-MH074457; Projekt
                      Deal,Grant/Award Number: EI 816/11-},
      abstract     = {Over the past two decades, functional neuroimaging has not
                      only grown into a large field of research, but also
                      substantially evolved. Here we provide a quantitative
                      assessment of these presumed in sample composition and data
                      analysis, using fMRI studies on food/taste research
                      published between 1998 and 2019 as an exemplary case in
                      which the scientific objectives themselves have remained
                      largely stable. A systematic search for papers written in
                      English was done using multiple databases and identified 426
                      original articles that were subsequently analyzed. The
                      median sample size significantly increased from 11.5 to 35.5
                      while the ratio of male to female subjects remained stable.
                      There were, however, more papers involving female subjects
                      only, rather than male subjects only, since 2003. There was
                      a decline in uncorrected results and statistical correction
                      by false-discovery rate. Reflecting a trend toward more
                      conservative thresholding, the number of foci reported per
                      paper did not change significantly and sample size (power)
                      did not correlate with the number of reported foci. The
                      median journal impact factor and the normalized number of
                      citations (citations per year) of the papers, in turn,
                      showed a significantly decreasing trend. Number of citations
                      negatively correlated to sample size, publication year but
                      positively correlated to journal impact factor, and was also
                      influenced by statistical correction method. There was a
                      decreasing trend in studies recruiting both left-handed and
                      right-handed subjects. In summary, the present paper
                      quantifies several large-scale trends that have often been
                      anecdotally discussed and reveals the changing nature of
                      neuroimaging studies that may be considered when pursuing
                      meta-analytic approaches.},
      cin          = {INM-7},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-7-20090406},
      pnm          = {574 - Theory, modelling and simulation (POF3-574)},
      pid          = {G:(DE-HGF)POF3-574},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32216124},
      UT           = {WOS:000521621500001},
      doi          = {10.1002/hbm.24957},
      url          = {https://juser.fz-juelich.de/record/874741},
}