@misc{indiciae64e29e43c31b,
  title = {Dynamic changes in effective connectivity characterized by variable parameter regression and Kalman filtering.},
  author = {C Büchel and K J Friston},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9788081/},
  note = {Source identifier: 9788081}
}