New neuroscience needs new tools. This is what we do.
As of today, March 28th 2014, the new MVGC 'multivariate granger causality' MATLAB toolbox is available for download. Thanks for waiting, and thanks to the >4700 people who downloaded the original toolbox and made is such a success.
To get hold of the new software, go here.
And here is the paper:
Barnett, L., and Seth, A.K. (2014).
The MVGC multivariate Granger causality toolbox: A new approach to Granger-causal inference. Journal of Neuroscience Methods. 223:50-68 [.pdf]