Modelling functional integration: a comparison of structural equation and dynamic causal models

@article{Penny2004ModellingFI,
  title={Modelling functional integration: a comparison of structural equation and dynamic causal models},
  author={W. Penny and K. Stephan and A. Mechelli and Karl J. Friston},
  journal={NeuroImage},
  year={2004},
  volume={23},
  pages={s264-s274}
}
The brain appears to adhere to two fundamental principles of functional organisation, functional integration and functional specialisation, where the integration within and among specialised areas is mediated by effective connectivity. In this paper, we review two different approaches to modelling effective connectivity from fMRI data, structural equation models (SEMs) and dynamic causal models (DCMs). In common to both approaches are model comparison frameworks in which inferences can be made… Expand
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