This is the version of the code used in the following paper:

A.S. Ecker, P. Berens, R.J. Cotton, M. Subramaniyan, G.H. Denfield, C.R. Cadwell, S.M. Smirnakis, M. Bethge, A.S. Tolias (2014): State dependence of noise correlations in macaque primary visual cortex. Neuron.

For more information go to http://toliaslab.org/publications/ecker-et-al-2014/