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Evaluating causal relations in neural systems: Granger causality, directed transfer function and statistical assessment of significance

Abstract.

 We consider the question of evaluating causal relations among neurobiological signals. In particular, we study the relation between the directed transfer function (DTF) and the well-accepted Granger causality, and show that DTF can be interpreted within the framework of Granger causality. In addition, we propose a method to assess the significance of causality measures. Finally, we demonstrate the applications of these measures to simulated data and actual neurobiological recordings.

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Received: 6 June 2000 / Accepted in revised form: 4 December 2000

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Kamiński, M., Ding, M., Truccolo, W. et al. Evaluating causal relations in neural systems: Granger causality, directed transfer function and statistical assessment of significance. Biol Cybern 85, 145–157 (2001). https://doi.org/10.1007/s004220000235

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Keywords

  • Transfer Function
  • Simulated Data
  • Causal Relation
  • Neural System
  • Granger Causality