Research Articles:
–> Engel, T. A., Steinmetz, N. A., Gieselmann, M. A., Thiele, A., Moore, T., & Boahen, K. (2016). Selective modulation of cortical state during spatial attention. Science (New York, N.Y.), 354(6316), 1140–1144. https://doi.org/10.1126/science.aag1420.
–> Cohen, M. R., & Kohn, A. (2011). Measuring and interpreting neuronal correlations. Nature neuroscience, 14(7), 811–819. https://doi.org/10.1038/nn.2842.