TY - JOUR A1 - Valdes-Sosa, P.A. A1 - Roebroeck, A. A1 - Daunizeau, J. A1 - Friston, K.J. T1 - Effective connectivity: Influence, causality and biophysical modeling Y1 - 2011 DO - 10.1016/j.neuroimage.2011.03.058 VL - 58 IS - 2 ER -