These analyses showed that both a non-linear relationship involving “modes” or discrete time frames were present if a small number of Brodmann areas are compared as well as a relatively smooth exponential decline as a function of distance between Brodmann areas when all 91 Brodmann areas are examined. In order to further explore both the general and discrete aspect of the findings we evaluated each combination of Brodmann areas by fitting an exponential equation to the data points. Exponentials provided the best fit of the data, for example, the red line is the evaluation of the equation:
