Heterogeneity of FFA responses or multiplexing?

@article{Ross2014HeterogeneityOF,
  title={Heterogeneity of FFA responses or multiplexing?},
  author={David A. Ross and Rankin W. McGugin and Isabel Gauthier},
  journal={Trends in cognitive sciences},
  year={2014},
  volume={18 4},
  pages={171-2}
}
Recent work using cluster analysis of brain activity during movies revealed distinct clusters that respond to faces and different non-face categories in the fusiform face area (FFA). Because of the limited heterogeneity observed, these results could mean that the FFA contains one population of cells capable of representing multiple categories.